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Tytuł:
The concept of the tourist economic zone. Case of Uzbekistan
Autorzy:
Sobirov, Bobur
Powiązania:
https://bibliotekanauki.pl/articles/1177844.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Uzbekistan
economic zone
free tourist zone
tourism development
Opis:
This paper analyses major features of free touristic zones in specific regions of Uzbekistan. Moreover, research focuses on the structural and organizational concepts of free tourism zones to illustrate positive tendencies of this economic term. Furthermore, article makes conclusion while making observe theoretical basis of free economic zones to strategical plan of destinations as whole.
Źródło:
World Scientific News; 2018, 98; 34-45
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality assessment of the hiromb water level forecast for the Polish coastal zone
Autorzy:
Kowalska, B.
Stanisławczyk, I.
Mykita, M.
Powiązania:
https://bibliotekanauki.pl/articles/1920604.pdf
Data publikacji:
2001
Wydawca:
Instytut Morski w Gdańsku
Tematy:
HIROMB
coastline zone
Opis:
The aim of this paper is to compare the observed water level and the results of HIROMB model for the same period. Real sea level values, collected in the data base of the Institute of Meteorology and Water Management in Gdynia were measured by Polish water gauges situated along tlze west part of coast and around the Gulf of Gdansk. The analysed data were from the period 15.08.1998 - 28.05.1999, and the forecast lead time was equal to 24 hours. The assumed reference level, equal to 500 cm, caused too high forecast levels and marked differences between observed and computed sea levels. In order to improve the results of modelling a new reference level has been established. Having introduced the new reference level, a better agreement between the observed and computed values was obtained in most cases. The validation of modelled results was carried out by means of the chosen statistical indicators.
Źródło:
Biuletyn Instytutu Morskiego w Gdańsku; 2001, 28, 2; 65-70
1230-7424
2450-5536
Pojawia się w:
Biuletyn Instytutu Morskiego w Gdańsku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution and abundance of krill— Euphausia superba Dana — at the ice edge zone between Elephant Island and the South Orkney Islands in the season 1988/89
Autorzy:
Godlewska, Małgorzata
Klusek, Zygmunt
Kamionka, Leszek
Powiązania:
https://bibliotekanauki.pl/articles/2052786.pdf
Data publikacji:
1991
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
krill
ice zone
Źródło:
Polish Polar Research; 1991, 12, 4; 593-603
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Coupling of hydrodynamical, biological, and geochemical processes in streambeds
Autorzy:
Packman, A. I.
Battin, T. J.
Newbold, J. D.
Powiązania:
https://bibliotekanauki.pl/articles/241502.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
stream-groundwater interactions
hyporheic zone
benthic zone
stream ecology
Opis:
Recent interest in the effects of streambed and near-subsurface (benthic and hyporheic) processes on stream ecosystems has motivated study of the hydrodynamics of stream-subsurface interactions. Hydrodynamic transport places an important control on the delivery of reactive species such as contaminants and ecologically-relevant substances such as nutrients to the benthic and hyporheic zones. Conversely, biological pro-cesses such as biofilm growth and physicochemical processes such as colloid deposition can alter the transport environment within sedimentary systems. Multiple feedbacks between biological, chemical, and transport processes make these interfacial sedimentary environments very com-plex. Experimental results are presented to illustrate the feedbacks be-tween hydrodynamic stream-subsurface exchange, biofilm development, and fine particle deposition. These studies demonstrate that a compre-hensive interdisciplinary approach is required to assess even the most basic dynamic processes in these systems, such as the evolution of in-terfacial fluxes over time. We suggest that it is useful to consider these processes to be biophysicochemical in nature. That is, in such complex environmental systems, it is misleading to attempt to consider processes in isolation; rather, understanding of system dynamics can only come from an integrated approach that considers feedbacks among and be-tween biological, physical, and chemical processes.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2003, 50, 2; 107-123
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality assessment of the hiromb water level forecast for the Polish coastal zone
Autorzy:
Kowalska, B.
Stanisławczyk, I.
Mykita, M.
Powiązania:
https://bibliotekanauki.pl/articles/972862.pdf
Data publikacji:
2001
Wydawca:
Instytut Morski w Gdańsku
Tematy:
HIROMB
coastline zone
Opis:
The aim of this paper is to compare the observed water level and the results of HIROMB model for the same period. Real sea level values, collected in the data base of the Institute of Meteorology and Water Management in Gdynia were measured by Polish water gauges situated along tlze west part of coast and around the Gulf of Gdansk. The analysed data were from the period 15.08.1998 - 28.05.1999, and the forecast lead time was equal to 24 hours. The assumed reference level, equal to 500 cm, caused too high forecast levels and marked differences between observed and computed sea levels. In order to improve the results of modelling a new reference level has been established. Having introduced the new reference level, a better agreement between the observed and computed values was obtained in most cases. The validation of modelled results was carried out by means of the chosen statistical indicators.
Źródło:
Biuletyn Instytutu Morskiego w Gdańsku; 2001, 28, 2; 65-70
1230-7424
2450-5536
Pojawia się w:
Biuletyn Instytutu Morskiego w Gdańsku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmiany terytorialne strefy płatnego parkowania w Krakowie w latach 1988 – 2018
Development of the paid parking zone in Krakow 1988–2018
Autorzy:
Kącki, P.
Duda-Wiertel, U.
Powiązania:
https://bibliotekanauki.pl/articles/193442.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Inżynierów i Techników Komunikacji Rzeczpospolitej Polskiej
Tematy:
strefa płatnego parkowania
strefa ruchu uspokojonego
strefa ruchu pieszego
paid parking zone
traffic calming zone
pedestrian zone
Opis:
30-lecie wprowadzenia na obszarze krakowskiego śródmieścia pierwszej w Polsce strefy uspokojenia ruchu wraz obowiązkiem wnoszenia opłat za parkowanie wydaje się być dobrą okazją do uporządkowania informacji dotyczących terytorialnego rozwoju strefy płatnego parkowania w latach 1988 – 2018. W artykule przytoczono historyczny kontekst wdrożenia systemu płatnego parkowania wraz ze strefą uspokojenia ruchu, chronologicznie uporządkowano kolejne rozszerzenia zasięgu strefy płatnego parkowania. Terytorium strefy w kolejnych etapach czasowych zaprezentowano na rysunkach z mapą śródmieścia Krakowa. Uzupełnieniem są ważniejsze informacje dotyczące zasad funkcjonowania strefy, jak np. bieżące wysokości stawek opłat za parkowanie, godziny obowiązywania strefy, czy też sposób wnoszenia obowiązującej opłaty.
The 30th anniversary of implementation traffic calming zone in the area of Krakow's downtown, seems to be a good opportunity to structure information on the territorial development of the paid parking zone in the years 1988 - 2018. This article shows historical context of the implementation of the paid and traffic calming system. The subsequent extension of the paid parking zone has been chronologically arranged. The territory of the zone in subsequent time stages is presented in the drawings with the map of the city center of Krakow. This is complemented by selected important information about rules of the zone's operation, such as the current rates of parking fees, duration of the zone, or method of payment.
Źródło:
Transport Miejski i Regionalny; 2018, 9; 13-18
1732-5153
Pojawia się w:
Transport Miejski i Regionalny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strefa działania jednosensorowego pasywnego systemu optonawigacyjnego
Operation zone of singlesensor passive optonavigational system
Autorzy:
Makar, A.
Powiązania:
https://bibliotekanauki.pl/articles/222883.pdf
Data publikacji:
2010
Wydawca:
Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
Tematy:
optonawigacja
strefa działania
strefa dokładności
optonavigation
operational zone
accuracy zone
Opis:
Heat field emitted by moving object may be used to localize the object by means of applied thermo-vision cameras making a passive optonavigation system of appropriate configuration. Attempts of determining a zone of such a system operation have been made in this article — operation of the referred system is based on application of one thermo-vision camera making a one-sensor azimuth-stadiometric system. Factors having impact on extend of the zone operation and their influence on the zone’s size itself and on the system’s operation are presented here.
Pole cieplne emitowane przez poruszający się obiekt może być wykorzystywane do jego lokalizowania za pomocą kamer termowizyjnych tworzących system optonawigacyjny o odpowiedniej konfiguracji. W artykule podjęto próby określenia strefy działania takiego systemu — działanie systemu jest oparte na zastosowaniu jednej kamery termowizyjnej tworzącej jednosensorowy system azymuto-stadiometryczny. Przedstawiono czynniki wywierające wpływ na zakres strefy działania oraz wielkość samej strefy i funkcjonowanie systemu.
Źródło:
Zeszyty Naukowe Akademii Marynarki Wojennej; 2010, R. 51 nr 4 (183), 4 (183); 107-116
0860-889X
Pojawia się w:
Zeszyty Naukowe Akademii Marynarki Wojennej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paleogene of the Magura Nappe adjacent to the Pieniny Klippen Belt between Szczawnica and Krościenko (Outer Carpathians, Poland)
Autorzy:
Golonka, J.
Waśkowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/184617.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Magura Nappe
Krynica zone
peri-Pieniny zone
Paleocene-Eocene
lithostratigraphy
foraminifera
Opis:
The present authors investigated the Paleogene deposits of the internal zone of the Magura Basin known as the Krynica Subunit or Krynica zone in Poland. These deposits crop out in the peri-Pieniny zone, in the area between Szczawnica and Krościenko. The oldest flysch deposits belong to the Paleocene - Lower Eocene Szczawnica Formation. This formation is covered by thin-bedded turbidites of the Eocene Zarzecze Formation locally with intercalations of the thick-bedded sandstones of the Krynica Member and Łęcko-type marls. The youngest rocks in this area belong to the Eocene-Oligocene Magura Formation. The Zarzecze Formation occupies a large part of the Krynica zone of the Magura Nappe border structure. Some deposits previously distinguished as the Szczawnica Formation were transferred to the Zarzecze Formation. The foraminiferal assemblages confirm the Eocene age of these deposits.
Źródło:
Geology, Geophysics and Environment; 2014, 40, 4; 359-376
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Candida and amoebiasis acquired in tropical and subtropical climatic zone
Autorzy:
Piatkowska, W.
Powiązania:
https://bibliotekanauki.pl/articles/839638.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Entamoeba histolytica
parasite
amoebiasis
tropical climatic zone
subtropical climatic zone
Candida
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Risk factors of the oil products spillage in the Lithuanian economical zone
Autorzy:
Dailidiené, I.
Powiązania:
https://bibliotekanauki.pl/articles/972860.pdf
Data publikacji:
2001
Wydawca:
Instytut Morski w Gdańsku
Tematy:
Baltic Sea
economical zone
Opis:
This paper presents the risk factors connected with oil spillage in the Baltic Sea. Models for the oil drift products give an opportunity to forecast effects of an acddent The accident that happened at Bütinge terminal station caused about 3 tons of oil to be spilt into the sea. After additional data, relating to the kind of oil, amount, co-ordinates, hydro-meteorological conditions, were installed into the Seatrack Web (SMHI Sweden), the results of the model oil drift were close to the real situation.
Źródło:
Biuletyn Instytutu Morskiego w Gdańsku; 2001, 28, 2; 101-108
1230-7424
2450-5536
Pojawia się w:
Biuletyn Instytutu Morskiego w Gdańsku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Risk factors of the oil products spillage in the Lithuanian economical zone
Autorzy:
Dailidiené, I.
Powiązania:
https://bibliotekanauki.pl/articles/1920614.pdf
Data publikacji:
2001
Wydawca:
Instytut Morski w Gdańsku
Tematy:
Baltic Sea
economical zone
Opis:
This paper presents the risk factors connected with oil spillage in the Baltic Sea. Models for the oil drift products give an opportunity to forecast effects of an acddent The accident that happened at Bütinge terminal station caused about 3 tons of oil to be spilt into the sea. After additional data, relating to the kind of oil, amount, co-ordinates, hydro-meteorological conditions, were installed into the Seatrack Web (SMHI Sweden), the results of the model oil drift were close to the real situation.
Źródło:
Biuletyn Instytutu Morskiego w Gdańsku; 2001, 28, 2; 101-108
1230-7424
2450-5536
Pojawia się w:
Biuletyn Instytutu Morskiego w Gdańsku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Calculation of Dune Profile Changes Generated by Hurricane: Preliminary Results
Autorzy:
Szmytkiewicz, P.
Szmytkiewicz, M.
Schönhofer, J.
Morawski, J.
Malicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/241504.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
coastal zone
dune
erosion
Opis:
The paper presents the main theoretical concepts related to methods of calculating the erosion rate for sandy dunes on natural coasts, namely, the beach equilibrium profile and incident waves. To illustrate calculations of dune erosion in the vicinity of the Coastal Research Station (CRS) in Lubiatowo, the Xbeach model (an incident wave model) was used. The calculations were carried out for hydrological and hydrodynamic conditions that accompanied Hurricane Ksawery (December 6–8, 2013). The results of the calculations were compared with the measured data. A satisfactory agreement was obtained between the predicted and measured results.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2018, 65, 3; 221-239
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Realistic Perspective of the Art and Science of Forensic Psychophysiology
Autorzy:
Gordon, Nathan J.
Fleisher, William L.
Powiązania:
https://bibliotekanauki.pl/articles/523253.pdf
Data publikacji:
2013
Wydawca:
Krakowska Akademia im. Andrzeja Frycza Modrzewskiego
Tematy:
forensic psychophysiology
IZCT
polygraph examination
Zone Comparison Technique
Federal Zone of Comparison
Źródło:
European Polygraph; 2013, 7, 3(25); 126
1898-5238
2380-0550
Pojawia się w:
European Polygraph
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rip currents in the non-tidal surf zone with sandbars: numerical analysis versus field measurements
Autorzy:
Dudkowska, A.
Borun, A.
Malicki, J.
Schonhofer, J.
Gic-Grusza, G.
Powiązania:
https://bibliotekanauki.pl/articles/2079185.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
coastal zone
non-tidal surf zone
hydromorphological condition
bathymetry
hydroengineering
numerical analysis
Opis:
Rip currents, which are local seaward-directed jets with their mean velocity exceeding 0.5 m/s, have been a subject of many studies since the 1940s. They are an important part of the nearshore current system and in specific hydro- and litomorphological conditions can cause changes in the local bathymetry. Thus, a detailed analysis of the characteristics of this phenomenon is crucial both to public safety and hydroengineering. The main purpose of this research is to determine the wave conditions of a multi-bar non-tidal coastal zone environment in which rip currents can occur. In this study, we focus on a multi-bar non-tidal coastal zone environment located in the Southern Baltic Sea, where rip current driving forces are mostly reduced to the wind and wind-induced waves. This is one of very few comprehensive approaches to exploring the possibility of rip currents occurrence in such environmental conditions. During two field expeditions, there were carried out in situ measurements exploiting two GPS drifters. The results indicate the formation of irregular non-longshore flows (related to rip currents) in the studied area. To answer the question under what conditions the formation of rip currents takes place, an extended modelling experiment was performed. Deep-water wave conditions typical of the studied area were chosen due to bouy measurements. The total of 589 combinations of the significant wave height, the mean period and wave direction values were examined as test cases. The coastal flow in the area and tracks of virtual drifters were simulated by XBeach numerical model for all test cases. As a result, 589 nearshore currents fields were generated and two scenarios were indicated: a regular circulation (dominated by the longshore current) which is typical of this area (547 cases), and flows with rip current features (42 cases). This reflects the results of the field measurements carried out. It can be concluded that the wave direction is a dominating factor in the formation of rip currents. Namely the flows of this type may occur in the area of interest when the direction of a deep water wave is almost perpendicular to the shore. Such situations occur rarely. They cover about 7% of the days of the year. Thus, rip currents do not appear to be a significant factor in the reconstruction of the sea bottom in the studied area.
Źródło:
Oceanologia; 2020, 62, 3; 291-308
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two-zone simulation of an axial vane rotary engine cycle
Autorzy:
Mirzaei, M.
Hashemi, S. M.
Saranjam, B.
Binesh, A.
Powiązania:
https://bibliotekanauki.pl/articles/1839849.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
model spalania
silnik obrotowy
zapłon iskrowy
two-zone combustion model
axial vane rotary engine
burned zone
unburned zone
engine simulation
Opis:
An axial vane rotary engine (AVRE) is a novel type of rotary engines. The engine is a positive displacement mechanism that permits the four “stroke” action to occur in one revolution of the shaft with a minimum number of moving components in comparison to reciprocating engines. In this paper, a two-zone combustion model is developed for a spark ignition AVRE. The combustion chamber is divided into burned and unburned zones and differential equations are developed for the change in pressure and change in temperature in each zone. The modelling is based on equations for energy and mass conservation, equation of state, and burned mass fraction. The assumption is made that both zones are at the same pressure P, and the ignition temperature is the adiabatic flame temperature based on the mixture enthalpy at the onset of combustion. The developed code for engine simulation in MATLAB is applied to another engine and there is a good agreement between results of this code and results related to the engine chosen for validation, so the modelling is independent of configuration.
Źródło:
International Journal of Applied Mechanics and Engineering; 2021, 26, 2; 143-159
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Indicators of changes in the phytoplankton metabolism in the littoral and pelagial zones of a eutrophic lake
Wskaźniki zmian metabolizmu fitoplanktonu w strefie litoralu i pelagialu jeziora eutroficznego
Autorzy:
Dunalska, J. A.
Zieliński, R. A.
Bigaj, I.
Szymański, D.
Powiązania:
https://bibliotekanauki.pl/articles/1818927.pdf
Data publikacji:
2013
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
litoral zone
pelagial zone
phytoplankton metabolism
metabolizm fitoplanktonu
strefa litoralu
strefa pelagialu
Opis:
Badania przeprowadzono na eutroficznym Jeziorze Kortowskim położonym w granicach administracyjnych miasta Olsztyn (Pojezierze Mazurskie). Próbki wody do analiz pobierano codziennie w okresie od 31 lipca do 12 sierpnia 2010 roku w strefie litoralu (w pasie roślin wynurzonych) oraz w strefie pelagialu (w najgłębszej części jeziora). Badania obejmowały wielkość produkcji pierwotnej oraz respirację metodą jasnych i ciemnych butelek. Dodatkowo analizowano parametry fizyko-chemiczne wody oraz dane meteorologiczne. Wyraźna dobowa zmienność tempa produkcji pierwotnej fitoplanktonu i respiracji w obu badanych strefach świadczyła o dużej dynamice procesów metabolicznych zachodzących w całym jeziorze. Nieco wyższą produkcję pierwotną fitoplanktonu stwierdzono w pelagialu, tutaj też procesy respiracji były bardziej dynamiczne. Przy dużej dostępności substancji biogennych w pelagialu Jeziora Kortowskiego o dynamice produkcji pierwotnej w większym stopniu decydowała ilość uwolnionej łatwo przyswajalnej materii organicznej, pochodzącej z produkcji pierwotnej, aniżeli dostępność azotu (r = 0,20, n = 13, p < 0,05) czy fosforu (r = -0.47, n = 13, p < 0,05). Brak istotnych statystycznie zależności pomiędzy GPP a wskaźnikami chemicznymi wody czy danymi meteorologicznymi świadczył, że w jeziorze nie było czynników ograniczających rozwój fitoplanktonu. Produkcja pierwotna fitoplanktonu dominowała w całym okresie badawczym. Czynniki zewnętrzne miały natomiast większy wpływ na wielkość i tempo respiracji. W litoralu istotne znaczenie miała pulsacyjna dostawa labilnego węgla organicznego, w pelagialu zaś temperatura powietrza oraz wielkość opadów atmosferycznych. Interesujący jest fakt, że w Jeziorze Kortowskim z dnia na dzień tempo produkcji pierwotnej i respiracji zmieniało się nawet o ponad 40%, natomiast zawartość TOC utrzymywała się na dość stałym, wyrównanym poziomie. Zależność ta może być wykorzystana w monitoringu jakości wód. Pomiary produkcji pierwotnej fitoplanktonu metodą jasnych i ciemnych butelek w danym dniu nie odzwierciedlają rzeczywistych procesów metabolicznych w całym jeziorze. Jest to wynik adekwatny do danej chwili i miejsca poboru próbek wody. Zatem lepszym i bardziej stabilnym wskaźnikiem nawet dobowej zmianności metabolizmu fitoplanktonu może być TOC. Każda istotna zmiana stężeń TOC w pelagialu w powiązaniu z danymi meteorologicznymi powinna być sygnałem do szerszych badań w celu uchwycenia zmian odpowiedzialnych za gwałtowny rozwój fitoplanktonu, a szczególnie uciążliwych zakwitów sinicowych. Przeprowadzenie tego typu badań porównawczych w regionach różniących się ilością substancji biogennych oraz w różnych strefach klimatycznych, umożliwiłoby opracowanie modelu dobowej równowagi metabolicznej fitoplanktonu, który mógłby być wykorzystany w programach ochrony wód.
Źródło:
Rocznik Ochrona Środowiska; 2013, Tom 15, cz. 1; 621-636
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of the Southern Coastal zone of the Eastern Gulf of Finland (from lebyazhye to the St. Petersburg flood protective dam)
Autorzy:
Suslov, G. A.
Ryabchuk, D. V.
Nesterova, E. N.
Fedorova, E. K.
Powiązania:
https://bibliotekanauki.pl/articles/1204981.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
sand drift
coastal zone dynamics
southern coastal zone of the Gulf of Finland
Opis:
In July–September 2004 and April 2005, the specialists of the Department of Marine and Environmental Geology of All-Russian Geological Institute (VSEGEI) conducted field studies of the coastal zone of the Gulf of Finland from thesouthern alignment of the St. Petersburg Flood Protective Dam to Lebyazhye. The basic purpose of the studies is the analysis of coastal zone dynamics. Along the southern coast of the Gulf of Finland from Lebyazhye to the Dam, three different coastal dynamics zones were identified: (1) flat accumulative shore with aquatic plants, (2) erosion zone and (3) zone of modern sand accumulation. Along-shore sand drift in the eastern direction was also determined. Alongside with routine observations, the comparative analysis of space photography images of the study area, carried out during last 20 years, allowed finding out that as a result of intense eastward sand transfer, as mush as 80 metres of sand accumulative bodies have been eroded since 1982 near the village of Izhora. To the west of a small river, a 230-metres long sand split has been formed since 1982.
Źródło:
Polish Geological Institute Special Papers; 2008, 23; 109-116
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Poland and the Euro Zone. Three Possible Scenarios and Their Consequences
Autorzy:
Götz, Marta
Nowak, Bartłomiej E.
Orłowski, Witold M.
Powiązania:
https://bibliotekanauki.pl/articles/969379.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Warszawski. Centrum Europejskie
Tematy:
Euro Zone
EMU
European Integration
Opis:
The Euro zone has undergone profound institutional changes since the occurrence of its 2010 crisis. The EU countries which, due to different reasons, have not entered to the EMU, must rethink their calculus. Standard economic analysis should be now supplemented with political-institutional dimension. Under these circumstances the article sketches three possible scenarios for Poland, which should be taken into account by decision-makers: (a) fast accession to the euro zone. (b) laggard ‘fence sitting’, and (c) ‘shutting the door’. Each of them raises important economic and politicoinstitutional consequences. The text argues that in overall assessment, the longer the accession to the euro area is delayed, the stronger the risk of Poland’s peripherization in the EU. Therefore the comprehensive analysis of costs and benefi ts under new circumstances should be done fast.
Źródło:
Studia Europejskie - Studies in European Affairs; 2018, 3; 203-219
1428-149X
2719-3780
Pojawia się w:
Studia Europejskie - Studies in European Affairs
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Migration traffic and protection of external borders the European Union
Autorzy:
Błażejewska, Beata
Ciekanowski, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/1810568.pdf
Data publikacji:
2020
Wydawca:
Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
Tematy:
security
border
migration
zone
threats
Opis:
The study analyzes the management of the borders of the European Union as a factor having a significant impact on improving the security of Member States. Legal regulations regulating the external borders of the Schengen Group, treated as land and sea borders as well as airports and seaports of the parties to the Schengen Convention are indicated, provided that these borders are not external borders that formally form borders. The role of entities supporting border traffic management in the European Union is described. In addition, an analysis of documented attempts to illegally cross the external borders of the EU and the borders of countries associated with the Schengen area between border control visits was made, indicating potential threats in this area.
Źródło:
Rocznik Bezpieczeństwa Morskiego; 2020, R. XIV; 149--167
1898-3189
Pojawia się w:
Rocznik Bezpieczeństwa Morskiego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strefy Fermiego
Fermi zones
Autorzy:
Bocionek, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/501389.pdf
Data publikacji:
2012
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
Fermi zone
Fermi rule
humanities
Opis:
This article is an attempt to recall the phenomenon in physics called ”Fermi zones” and the principle of Fermi resulting from social sciences. The author believes that this principle is not only physical but anthropic, too.
Źródło:
Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne; 2012, 2(10); 233-240
1898-0171
Pojawia się w:
Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stratigraphy, palynology and organic geochemistry of the Devonian-Mississippian metasedimentary Albergaria-a-Velha Unit (Porto-Tomar shear zone, W Portugal)
Autorzy:
Machado, G.
Francu, E.
Vavrdová, M.
Flores, D.
Fonseca, P. E.
Rocha, F. T.
Pereira, L. C. G.
Gomes, A.
Fonseca, M.
Chaminé, H.
Powiązania:
https://bibliotekanauki.pl/articles/2059150.pdf
Data publikacji:
2011
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Mississippian
Late Devonian
Ossa-Morena Zone
Porto-Tomar shear zone
palynology
organic geochemistry
Opis:
The Albergaria-a-Velha Unit is one of several tectonostratigraphic out-of-sequence units of the metamorphic belt associated with the Porto-Tomar shear zone (Ossa-Morena Zone, W Portugal). It is composed of considerably deformed - very low grade - metasediments, namely shales, siltstones and rare fine sandstones. In this work we present new sedimentological and biostratigraphical data that suggest the Albergaria-a-Velha Unit was deposited from the (?)early Frasnian to the Serpukhovian in a distal marine environment, where turbiditic and basinal sedimentation prevailed. Palynofacies analysis and lithological data point to a gradual increase of terrestrial input, suggesting a prograding system. Detrital framework data is indicative of a stable cratonic sediment source area composed of low grade metamorphic rocks. The timing of the onset of the Porto-Tomar shear zone activity and consequently its influence on the sedimentation of this unit is discussed. Organic petrology and geochemistry data indicate that the Albergaria-a-Velha Unit is within the dry gas window in terms of hydrocarbon generation ranges.
Źródło:
Geological Quarterly; 2011, 55, 2; 139-164
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alluvial bottom geology inferred as a factor controlling channel flow along the Middle Vistula River, Poland
Autorzy:
Falkowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/2059483.pdf
Data publikacji:
2007
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
alluvial basement
erosion resistant deposits
Middle Vistula River Valley
channel zone
stream zone
Opis:
Within the channel zone of the Middle Vistula River, elevations of the Holocene alluvial basement occur, composed of deposits resistant to erosion. In this paper two kinds of such forms are discussed. Within the Małopolska gorge (an upstream part of the Middle Vistula, near Kępa Gostecka and Zakrzów), the elevations are composed mainly of Upper Cretaceous and Paleogene rocks covered with clayey debris and residual lags. Below this, the elevations are built of Paleogene and Neogene soils as well as of various Pleistocene glacial deposits, and are of ten covered by residual lags. This type of valley stretch occurs in the vicinity of Dęblin. The surface of the erosion-resistant Holocene alluvial basement averages at 5-7 m below the mean water level. It is exposed on the channel bottom during high-water stages, as seen from a residual layer and from the low density of the contemporary channel deposits above them. The morphology of these elevations influences the pattern of the main stream also during mean-water stages. The trend to flood flow concentrations is also seen in the relief of the floodplain.
Źródło:
Geological Quarterly; 2007, 51, 1; 91-102
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the administrative hierarchy of cities and entrepreneurship in suburban areas (the cases of Kielce and Radom)
Autorzy:
Mularczyk, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/2034240.pdf
Data publikacji:
2010-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
entrepreneurship
suburban zone
administrative changes
Opis:
The systemic transformation of Poland after 1989 led to an acceleration of restructuring processes both in the national economy and in individual regions. The dynamics of changes was exceptionally high in rural areas. The most rapid changes occurred in areas which are situated within the range of the direct influence of bigger cities. This paper strives to compare the changes in entrepreneurship which took place in the suburban areas of Kielce and Radom during the transformation period, before and after the introduction of the administrative reform in Poland. We sought answers to the following questions: - What differences occur in the dynamics of changes of the entrepreneurship indicator in suburban areas in case of two cities of a similar size, of which only Kielce has remained the regional (voivodship) capital? - What differences occur in the dynamics of changes of the entrepreneurship indicator in relation to the distance from the central city? In order to answer the above questions, the entrepreneurship indicators for agriculture, industry and service sectors were calculated for the analysed areas between 1995 and 2005.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2010, 14; 255-264
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Composition and distribution of intertidal meiofauna of Isfjorden, West Spitsbergen
Autorzy:
Mokievsky, Vadim O.
Powiązania:
https://bibliotekanauki.pl/articles/2052775.pdf
Data publikacji:
1992
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
tidal zone
meiofauna
Źródło:
Polish Polar Research; 1992, 13, 1; 31-40
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution of microflagellates and diatoms in the sea-ice zone between Elephant Island and the South Orkney Islands (December 1988 - January 1989)
Autorzy:
Kopczyńska, Elżbieta
Powiązania:
https://bibliotekanauki.pl/articles/2052789.pdf
Data publikacji:
1991
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctic
phytoplankton
sea-ice zone
Źródło:
Polish Polar Research; 1991, 12, 4; 515-528
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environmental conditions and phytoplankton standing crop near pack-ice in the Scotia Sea (December 1988 - January 1989)
Autorzy:
Lipski, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/2052791.pdf
Data publikacji:
1991
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
phytoplankton
sea-ice zone
Źródło:
Polish Polar Research; 1991, 12, 4; 507-513
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Department of Hydrogeology and Engineering Geology
Autorzy:
Postawa, A.
Powiązania:
https://bibliotekanauki.pl/articles/184656.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
hydrology
mining
groundwater
salinity zone
Źródło:
Geology, Geophysics and Environment; 2016, 42, 2; 241-248
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Driving forces of sandy sediment transport beyond the surf zone
Autorzy:
Stella, M.
Ostrowski, R.
Szmytkiewicz, P.
Kapinski, J.
Marcinkowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/47878.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
sandy sediment
sediment transport
surf zone
wave-current interaction
roughness
coastal zone
Baltic Sea
Źródło:
Oceanologia; 2019, 61, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heavy metals in the unsaturated and saturated zone of the Upper Jurassic carbonate massif in the vicinity of Krakow
Autorzy:
Rozkowski, J.
Rozkowski, K.
Rahmonov, O.
Powiązania:
https://bibliotekanauki.pl/articles/15551.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
environment pollution
heavy metal
unsaturated zone
saturated zone
Upper Jurassic
carbonate rock
Krakow city
Opis:
Migration and concentration of heavy metals in infiltration waters within unsaturated and saturated zones of a carbonate massif result from their mobility as well as anthropopression. The purpose of this project, carried out in 1995-2005, was to observe changes in the chemical composition of infiltration waters, especially Sr, Ba, Fe, Mn, and Zn concentration in precipitations, in soils and in caves within an unsaturated zone and a saturated zone situated in a carbonate massif. Field research was conducted in the Prądnik River’s drainage basin and at the Zakrzówek horst in Kraków. The chemical and mineralogical composition of limestone samples from 11 different quarries and natural exposures in the Kraków Upland were studied. The mineralogical research was conducted using the Roentgen diffraction method. The concentration of Sr, Ba, Fe, Mn and Zn in 700 samples from precipitation, caves and saturated zone waters was analysed. The determinations were made using mainly the ICP-AES Plasma 40 and ICP-MS Elan method. To assess the quality aspects of the migration of heavy metals, the results of the geochemical modelling were accounted for using the PHREEQC software. The hydrochemical research has shown distinct variability of concentrations of the analysed minor elements in different forms of precipitation (the highest concentrations being observed in sleet and the lowest in pure snowfall). In rainwater as well as in waters of the unsaturated and saturated zones, quantities of the five chemical elements appeared in the following decreasing order: Fe>Zn>Mn>Sr>Ba and Sr>Ba>Fe>Zn>Mn. The chemical composition of infiltration waters in the carbonate massif changes vertically. The fundamental trends in the waters of this area include an increase of Sr and Ba concentrations, a decrease of the concentration of Zn, and static concentrations of Fe and Mn.
Źródło:
Journal of Elementology; 2015, 20, 2
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Predictions of fracture resistance of spruce wood under mixed mode loading using non-local fracture theory and numerical modelling
Autorzy:
Romanowicz, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2200902.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
mixed-mode bending test
process zone length
resistance curves
fracture criteria
cohesive zone model
Opis:
A novel analytical model to predict fracture resistance of a quasi-brittle material, like wood, is presented. The model is based on a scaling parameter introduced into the non-local fracture theory to take into account the specimen size effect on the development of the damage zone. An expression for length of the critical process zone, which can be used in damage tolerant design of wooden structures is derived from this theory. The model is validated with mixedmode bending tests. A numerical analysis using cohesive elements is performed to understand the role of specimen size in the development of the damage zone. The analytical predictions of the fracture resistance and the critical process zone length for wood are compared with numerical results and experimental data available in the literature.
Źródło:
Journal of Theoretical and Applied Mechanics; 2023, 61, 1; 147--162
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Practical applications of the multi-component marine photosynthesis model (MCM)
Autorzy:
Ficek, D.
Majchrowski, R.
Ostrowska, M.
Kaczmarek, S.
Wozniak, B.
Dera, J.
Powiązania:
https://bibliotekanauki.pl/articles/48509.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
primary production
quantum yield
inorganic nitrogen
temperate zone
tropical zone
practical application
bio-optical modelling
marine photosynthesis model
marine alga
polar zone
photosynthesis
Opis:
This paper describes the applications and accuracy analyses of our multi-component model of marine photosynthesis, given in detail in Woźniak et al. (2003). We now describe an application of the model to determine quantities characterising the photosynthesis of marine algae, especially the quantum yield of photosynthesis and photosynthetic primary production. These calculations have permitted the analysis of the variability of these photosynthesis characteristics in a diversity of seas, at different seasons, and at different depths. Because of its structure, the model can be used as the ‘marine part’ of a ‘satellite’ algorithm for monitoring primary production in the sea (the set of input data necessary for the calculations can be determined with remote sensing methods). With this in mind, in the present work, we have tested and verified the model using empirical data. The verification yielded satisfactory results: for example, the statistical errors in estimates of primary production in the water column for Case 1 Waters do not exceed 45%. Hence, this model is far more accurate than earlier, less complex models hitherto applied in satellite algorithms.
Źródło:
Oceanologia; 2003, 45, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
SPOŁECZNO-POLITYCZNY SPÓR Z KOŃCA LAT 90. XX WIEKU NA TEMAT STREFY OCHRONNEJ PRZY MUZEUM AUSCHWITZ-BIRKENAU W OŚWIĘCIMIU I JEGO KONSEKWENCJE
SOCIAL AND POLITICAL CONTROVERSY AND THEIR CONSEQUENCES FOR "SILENT ZONE", NEAR FORMER CONCENTRATION CAMP AUSCHWITZ-BIRKENAU IN OŚWIĘCIM IN 90TH.
Autorzy:
Klima, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/513197.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
Auschwitz
Oświęcim City
“Zone of Silence"
Opis:
In the 1980's and 90's The Auschwitz-Birkenau Museum was witness to many dis-putes. The local community suddenly had to deal with international issues. Two decades of conflict have shown how important it is to build a reasonable boundary between the museum and the city. The problem with the "Zone of Silence" has grown into a problem that had to be solved by the Polish parliament. The consequences for the residents of Oświęcim were, however, considerable, and are felt to this day. A large part felt second-class citizens, and a drain of business from the city has been observed.
Źródło:
Polityka i Społeczeństwo; 2014, 12, 4; 101-113 (13)
1732-9639
Pojawia się w:
Polityka i Społeczeństwo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The north - eastern boundary of the Baikal rift zone
Autorzy:
Ufimtsev, G. F.
Chestnov, A. I.
Powiązania:
https://bibliotekanauki.pl/articles/295116.pdf
Data publikacji:
1999
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
rift
Baikal rift zone
tectonic relief
Opis:
The Baikal rift zone is defined on its NE side by the Olyekma-Amur system of NW/SE-striking transverse lineaments. Transverse faults also separate the north-eastern part of the rift zone into the Chara and Tokko sections. The former shows a typical range of neotectonic forms which include (from NW to SE): the inclined horsts of the Kodar ridge; an axial system of grabens and interbasin faults and a marginal dome. The Tokko section is located within a sector of the Olyekma-Amur system of lineaments. Here, the neotectonic forms are smaller and a degradation of the NW flank of the rift zone has taken place. A large marginal step defines the south-eastern flank. It is considered that these structural modifications relate to changes in the anomalous mantle protrusion near the north-eastern boundary of the rift zone.
Źródło:
Landform Analysis; 1999, 2; 81-92
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructure studies of amorphous and nanocrystalline (Fe1-xCox)85.4Zr6.8-yMyB6.8Cu1 (x = 0 or 0.1, y = 0 or 1, M = Mo, Nb or Nd) alloys
Autorzy:
Olszewski, J.
Zbroszczyk, J.
Fukunaga, H.
Ciurzyńska, W.
Świerczek, J.
Hasiak, M.
Perduta, K.
Łukiewska, A.
Młyńczyk, A.
Powiązania:
https://bibliotekanauki.pl/articles/147229.pdf
Data publikacji:
2004
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
Invar effect
nanocrystalline alloys
interfacial zone
Opis:
The amorphous and nanocrystalline (Fe1 xCox)85.4Zr6.8 yMyB6.8Cu1 (x = 0 or 0.1, y = 0 or 1, M = Mo, Nb or Nd) alloys were studied using Mössbauer spectroscopy. We have stated that after the low temperature annealing of the samples the decrease of the average hyperfine field due to the Invar effect was observed. This effect is associated with the increase of atom packing density after the annealing of the samples, which may lead to the noncolinear spin state in some regions. This phenomenon was completely suppressed after substitution of 10% of Fe atoms by Co atoms. At early stages of crystallization of the Fe85.4Zr6.8 yMyB6.8Cu1 (y = 0 or 1, M = Mo, Nb or Nd) alloys, the interfacial zone is poor in iron due to diffusion of Zr, B, Nb, Mo and Nd atoms outside regions where á-Fe fine grains are created. However, the iron content in the amorphous matrix is the same as in the as-quenched state. The iron concentration in the interfacial zone of the nanocrystalline alloys obtained by the accumulative annealing depends on the chemical composition of the as-quenched samples. In the nanocrystalline samples obtained by two-step annealing, the iron content in the interfacial layer is higher than in the amorphous matrix.
Źródło:
Nukleonika; 2004, 49,suppl.3; 79-83
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The modification of the raceway profile in the double row slewing bearing
Autorzy:
Kania, L.
Śpiewak, S.
Pytlarz, R.
Powiązania:
https://bibliotekanauki.pl/articles/950120.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
slewing bearings
contact zone
fem analysis
Opis:
The slewing bearings are applied in heavy working machines and operated in extreme conditions. A characteristic feature of these bearings are a high load which determining a large deflection of a contact zone rolling element - raceway. This phenomenon combined with the effects of a bearing clearance causes a significant increase in a contact angle of the bearing. This in turn causes displacement of the contact zone to an undesirable position. In the construction of slewing bearing is applied of a large value of the osculation ratio. This leads to occur of large sizes of the contact zone identified in a radial cross-section. The sizes are comparable to values of the radius of the ball. The contact zone is type of quasi-linear. Effects of changes the position of the contact zone in the double-row ball slewing bearing has been presented in the paper. The raceway profile for such bearing consists of the arc section changing in the radial section. When the contact zone includes a change point of curvature of the raceway profile it comes to a concentration of a contact stress, and this is unfavourable for operation of the bearing. In order to eliminate this phenomenon to the profile introduced a transition curve. For this purpose was selected a clothoid. The curve ensures a gradual change of curvature from the arc section of the profile to the zero curvature of the straight profile section. The raceway profile becomes the smooth curve of the second rank. In the article are presented a numerical model of the contact zone for the double-row ball slewing bearing and the distributions of a pressure in the contact zone for the ordinary and modified raceway profiles. The calculation results have been presented as graphs of the distributions of the pressure along the contact zone. It has been shown that the introduction modification of the raceway profile eliminates the concentration of the pressure along the contact zone profile. The results obtained can be used during design of the raceway profiles of the double-row ball slewing bearing.
Źródło:
Journal of KONES; 2016, 23, 1; 139-146
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Czarnobylska strefa w kontekście ukraińskim i białoruskim – przykłady reporterskie
Autorzy:
Gieba, Kamila
Powiązania:
https://bibliotekanauki.pl/articles/1374331.pdf
Data publikacji:
2020-06-30
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
disaster
reportage
borderline
zone
Ukraine
Belarus
Opis:
The subject of the article is the representation of Chernobyl disaster and the differences and similarities between the Belarusian and the Ukrainian context. The source material is primarily reportages on the background of cultural, historical and anthropological findings. The analysis included nature of the closed zone, ways of representing the Ukrainian and the Belarusian part of zone, historical and political contexts of Chernobyl disaster.
Źródło:
Przegląd Wschodnioeuropejski; 2020, XI, 1; 181-190
2081-1128
Pojawia się w:
Przegląd Wschodnioeuropejski
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Idea of Enhancing Directional Energy Radiation by a Phased Antenna Array in UHF RFID System
Autorzy:
Jankowski-Mihułowicz, P.
Kawalec, D.
Węglarski, M.
Powiązania:
https://bibliotekanauki.pl/articles/227164.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
RFID
phased antenna array
interrogation zone
Opis:
The interrogation zone IZ is the most important parameter when RFID systems are considered. Its predictability is determined by the construction and parameters of antenna built in a read/write device. The IZ should be of sufficient size and appropriate to requirements established for an application of object automated identification. The method of shaping an antenna radiation pattern provides effective yet unconventional opportunities in this area. The idea and practical solution of the phased antenna array dedicated to UHF read/write devices are presented in the paper. On the basis of tests carried out, the authors pointed out the possibility of using developed devices for the synthesis of a determined IZ in anti-collision RFID system.
Źródło:
International Journal of Electronics and Telecommunications; 2016, 62, 2; 115-120
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Proces suburbanizacji w strefie podmiejskiej Opola
The suburbanisation process in the suburban area of Opole
Autorzy:
Szczygielski, Kazimierz
Powiązania:
https://bibliotekanauki.pl/articles/1871981.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Opolski
Tematy:
urbanization
suburban zone
urbanizacja
strefa podmiejska
Opis:
Analiza procesu zmian w strefie podmiejskiej, definiowanego w określonych warunkach jako suburbanizacja, jest skomplikowaną procedurą. Istotne jest dotrzymanie dwóch warunków: odpowiedniego doboru wskaźników pomiaru zjawiska oraz realizacji tego pomiaru na możliwie szczegółowym poziomie przestrzennych jednostek analizy. W badaniach przyjęto hipotezę, że strefa podmiejska Opola nie jest uformowana w stopniu pozwalającym uznać tę przestrzeń za egzemplifikację zjawiska suburbanizacji. Przy wykorzystaniu 8 zmiennych agregowanych na poziomie poszczególnych miejscowości (wsi) uzyskano wynik potwierdzający hipotezę. Jednocześnie wskazano, że potencjalną zmienną zakłócającą proces przemianw całej przestrzeni podmiejskiej Opola jest wysoki poziom zróżnicowania czynnika etnicznego.
It is a complicated procedurę to analyze a transformation process in suburban zonę, defined in certain circumstances as suburbanization. This is important to abide by two conditions: proper selection of occurrence measurement indicators and realization of this measurement on possibly detailed level of spatial units of analysis. There was a hypothesis madę during researches, that Opole suburban zonę isn't formed in a way, enabling recognize this zonę as an exemplification of the suburbanization occurrence. There was a result confirming the hypothesis while using eight variables, aggregated on particular places (villages) level. At the same time there was pointed, that ethnic factor is a potential variable, disturbing transformation process in the whole of the suburban zonę of Opole.
Źródło:
Studia Miejskie; 2011, 3; 35-54
2543-5302
2082-4793
Pojawia się w:
Studia Miejskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphometric analysis in investigations of the coastal zone. Part I. Separation of morphological elements and scope of morphometric measurements
Autorzy:
Dubrawski, R.
Powiązania:
https://bibliotekanauki.pl/articles/111415.pdf
Data publikacji:
2001
Wydawca:
Instytut Morski w Gdańsku
Tematy:
coastal zone
morphological elements
morphometric parameters
Opis:
Hypsometric and bathymetric measurements of the Polish coastal zone, which were carried out since the early 50 ties of the last century, provided a very large amount of empirical material. Standardisation of profile recordings in the Coastal·Zone Databank provided a basis for the determination of the multi-temporal changes of the coast. Comparative analysis of coastal zone profiles is of basic importance in planning coastal protection and in designing coastal defence methods. For this aim morphological elements of the shore (beach and dune) and the nearshore (from waterline seawards) zones were separated, and measurements were made on profiles drawn in identical scale. In the present paper, methods of separating morphological elements and the scope of morphometric measurements on cross-shore profiles are presented. The next parts shall discuss: the methods of analysing morphometric parameters (part II), the methods of determining the erosion/accretion systems (part III), and the use of morphometric analysis in the protection of selected regions of the Polish coast (part IV).
Źródło:
Biuletyn Instytutu Morskiego w Gdańsku; 2001, 28, 1; 39-53
1230-7424
2450-5536
Pojawia się w:
Biuletyn Instytutu Morskiego w Gdańsku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of the nip zone angle in high-pressure grinding rolls
Autorzy:
Saramak, D.
Naziemiec, Z.
Powiązania:
https://bibliotekanauki.pl/articles/109355.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
HPGR
comminution
nip zone
ore processing
Opis:
A proposal of the nip zone angle determination in high-pressure grinding rolls (HPGR) crush-ing process is presented in the paper. Knowledge of the nip zone angle value makes it possible to deter-mine the real maximum pressing force in the high-pressure comminution. Two methods of determination of this maximum pressure were proposed and verified. The first method is based on the roll’s geometry and the change of the HPGR chamber’s volume together with the roll rotation, while the second one considers the outlet gap width. Results of the nip zone angle calculations according to both methods are similar and show that the nip zone angle is around 3o. The verification was carried out in a piston-die press and experimental results show that the product size distributions from HPGR and piston-die press are similar. The methodology of the nip zone angle determination presented in the paper has then its practical confirmation. A proper determination of the nip zone border makes it possible to calculate the comminution probability of given type of material and is a basis for the HPGR crushing process modeling and optimization.
Źródło:
Physicochemical Problems of Mineral Processing; 2013, 49, 1; 243-253
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Soils of Buffer Zones as a Source of Nitrogen Compounds
Autorzy:
Krasowska, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/123243.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
buffer zone
nitrogen
soil
agricultural catchment
Opis:
A buffer zone is a belt of shelter or permanent grassland separating the agricultural land from watercourses and water reservoirs. According to the Code of Good Agricultural Practices, they constitute a landscape element that can limit the migration of biogenic substances. Increasing attention is paid to the fact that these barriers are effective during the growing season. However, in the autumn-winter and early-spring half-year, they can be a source of nitrogen compounds leached from the catchment to the surface water. In connection with this, research was undertaken to assess the content of nitrogen compounds in the soil of the zone at the channel and water of the watercourse in a small agricultural catchment. The processes occurring in the buffer zones leading to the release of biogenic compounds do not only concern leaching them to surface and groundwater; therefore, the amount of nitrous oxide emissions, which is the result of the denitrification process occurring in the soil, was examined. On the basis of the obtained results, it was found that an increased content of nitrogen compounds in the soil of buffer zones may have an impact on the elevated emission of N2O and a raised content of these substances in surface water.
Źródło:
Journal of Ecological Engineering; 2019, 20, 1; 214-219
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sylvicultural procedures in catchment areas of the mountain streams as exemplified by the Skrzyczne massif in Poland
Autorzy:
Malek, S.
Barszcz, J.
Majsterkiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/38536.pdf
Data publikacji:
2014
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
catchment area
mountain stream
climatic zone
vegetation zone
Beskids Mountains
Skrzyczne massif
Polska
headwater
watercourse
Opis:
Extensive disintegration of spruce forests in the Beskidy Mts. in South Poland generates a need to regenerate sizeable areas as well as to rebuild forest stands which have defended themselves against breakdown. In practice, the magnitude of relevant management tasks does not allow for keeping up with the progressive destruction of forest, especially at higher altitudes, where natural regeneration does not occur as much as necessary. In addition, the species composition is limited to spruce, sometimes accompanied by beech and fir, whereas other species have a negligible share. What may be helpful in solving this problem is the method of regeneration of such areas and of establishment of under-canopy cultures, consisting of patchwork, multi-stage regeneration task performance, starting from the areas with the best chance of reforestation success and using the existing self-sown trees. Such areas undoubtedly include habitats with better water balance, i.e. humid habitats (in the case of larger areas, distinguished in the forest management plan as humid forest site types). The aim of the present study was to propose management of watercourses and headwater areas in the region of the Skrzyczne massif where the selected catchments are situated on the southern (the Malinowski Stream) and the northern (the Roztoka Czyrna stream) slopes of this massif. The research was carried out in August 2012 and included juxtaposition of available hydrological maps with actual field conditions along with identification of springs and streams and the course of their beds in order to update the existing data. The updating of the forest numerical maps in the existing databases of the State Forests IT System (SILP) included verification of the course of streams and determination of their nature (penament or periodic) with a division into the existing ones and the added ones. The data was recorded against the background of the division of the forest surface, contour lines, major roads, climate and plant floors and forest habitat types. The total length of streams was ascertained. The catchment areas and areas along their beds were determined by adopting variable distances from the beds, depending on climate and plant zones and the slope gradient. The adopted distances were: 5 m in the upper forest zone, 10 m in the middle forest zone, 20 m in the lower forest zone on both sides of the bed and in the headwater area within the radius of 10 m from a source. Specific sylvicultural procedures in headwater areas and in the neighbourhood of watercourses were described in each climatic and vegetation zones.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2014, 56, 1
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Організація освітнього простору в зарубіжних Монтессорі-школах
Organization of Learning Environment in Foreign Montessori Schools
Autorzy:
Прибора, Тетяна
Powiązania:
https://bibliotekanauki.pl/articles/16539071.pdf
Data publikacji:
2022-06-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
М. Монтессорі
Монтессорі-заклад
освітній простір
освітня програма
зона практичного життя
зона сенсорного розвитку
зона мовленнєвого розвитку
зона математичного розвитку
космічна зона
зона культури
Maria Montessori
Montessori school
curriculum
learning environment
a practical life zone
a zone of sensory development
a speech learning zone
a Math zone
a cosmic zone
a culture zone
Opis:
The article presents the look into Montessori schools whose aim is to provide care, development, upbringing and teaching of children from 8 weeks to 18 years old in correspondence with Maria Montessori’s theory and philosophy of education. In modern pedagogical literature there is no single distinct classification of Montessori schools though in Western European countries and the USA Montessori educational establishments are distinguished by the curriculum they use and the age of children studying there. Thus, there has been made an attempt to generalize and summarize their distinctive features and make up an age-curriculum Motnessori schools classification which includes: 1) infant schools, whose curriculum focuses on the holistic development of children from 8 weeks to 18 months old, 2) toddler schools aiming at sensory development of 18 to 36-month-old kids and their acquisition of practical life, language, Math and writing readiness skills, 3) primary schools for 3-to-6- year-olds with the curriculum in correspondence with all areas of formal curriculum, 4) elementary schools (6–11 y.o.) with multi-age school curriculum which contributes to social dynamics and facilitates pupils favorable inclusion in collective learning peculiar of this age group, develops their academic interest and curiosity and based on intellectual exercises supports their easy and natural transition to abstract thinking, 5) middle schools whose curriculum is specially composed to develop 11–14 years old children academically, socially and emotionally. More detailed attention is paid to the creation of learning environment in the early childhood and primary educational establishments. It is stated that the main aim of the created learning environment is to sustain and strengthen the child’s feeling of independence and form their motivation to seek knowledge. Having analyzed the work of modern foreign Montessori schools, it’s for the first time that three kinds of the learning environment have been distinguished among them school area developmental learning environment, in-school and classroom learning environments. As it has been found out, learning environment in modern Montessori schools is based on the initial rules of formation the “prepared” environment by Maria Montessori. It can be conditionally divided into zones which correspond with the chapters of curriculum for each age group taking into account children sensory development stage. These zones include a practical life zone, a zone of sensory development, a speech learning zone, a Math zone and a cosmic or culture zone. In each of them learning materials are easy to reach and ordered from the simplest to more complex so that the children could pick up the ones which satisfy their current needs.
У статті досліджуються Монтесорі-заклади, які спрямовані на догляд, розвиток, виховання і навчання дітей від 8 тижнів до 18 років відповідно до положень педагогічної моделі М. Монтессорі. Подається класифікація Монессорі-закладів відповідно до освітніх програм: 1) іnfant – програма спрямована на холістичний розвиток дитини від 8 тижнів – 18 місяців; 2) toddler– в основі освітньої програми лежить сенсорне навчання, спрямоване на розвиток практичних, мовленнєвих, математичних навичок і навичок підготовки до письма дітей від 18 місяців – 36 місяців; 3) primary school – освітня програма для дітей 3–6 років, яка ґрунтується на всіх сферах офіційної навчальної програми: наука, математика, література, розвиток мови, практичні навички життя, музика, рух, мистецтво; 4) elementary school – мультивікова освітня програма сприяє спільному навчанню, притаманному для цієї вікової групи, і створює соціальну динаміку, яка підтримує зростання доброзичливої та інклюзивної спільноти учнів, виховує інтерес та допитливість, сприяє природньому переходу до абстрактного мислення і дозволяє дітям тренуватися на основі інтелектуальних вправ, необхідних для академічного поступового навчання учнів 6–11 років; 5) middle school – освітня програма, розроблена спеціально для розвитку академічних, соціальних та емоційних потреб дітей від 11–14 років. Детальна характерника приділяється організації освітнього простору тільки в двох із них: «Раннє дитинство» та «Початкова школа». Досліджено, що мета підготовленого освітнього простору полягає в підтриманні та зміцненні почуття самостійності дитини та формуванні мотивації прагнення до знань. Вперше на основі аналізу діяльності сучасних іноземних Монтессорі-закладів виділено три види освітнього простору в них: освітньо-розви- вальне зовнішньошкільне середовище закладу, внутрішньошкільне середовище закладу, освітньо-розвивальне середовище класу. З’ясовано, що у сучасних Монессорі-закладах освітній простір ґрунтується на правилах організації «підготовленого» середовища, запропонованих ще М. Монтессорі. Він умовно поділяється на зони, які відповідають розділам програми кожної вікової групи, враховуючи сенситивні періоди розвитку дитини: 1) зона практичного життя; 2) зона сенсорного розвитку; 3) зона мовленнєвого розвитку; 4) зона математичного розвитку; 4) космічна зона або зона культури. У кожній з цих зон навчальні матеріали легкодоступні і розташовані в послідовності від найпростіших до найскладніших, щоб вихованці могли вибрати матеріали, які відповідають їхнім потребам.
Źródło:
Viae Educationis; 2022, 2; 51-59
2956-2856
Pojawia się w:
Viae Educationis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Attitudes of local government authorities towards a neighbouring town
Autorzy:
Mularczyk, Mirosław
Mularczyk, Agata
Powiązania:
https://bibliotekanauki.pl/articles/2030335.pdf
Data publikacji:
2008-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
suburban zone
municipal local government authorities
Opis:
As a result of suburbanization, intensification of urbanization processes in suburban areas is taking place. The suburban zone is understood to be an area located in direct neighbourhood of a city or town, related to it and being systematically transformed. It is also defined as a transient area between a village and a city/town, mainly in spatial terms (mixed forms of space development and transient settlement types). The aim of this paper is to define the attitudes of suburban local government authorities towards neighbouring city/town. In order to achieve this aim, methods of analytic description, direct observation, analysis of documents such as “Local development plans”, “Development Strategies”, “The study of causation and directions in spatial management” of suburban municipalities in the Kielce county were used.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2008, 13; 187-196
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adsorption of water vapour and the specific surface area of arctic zone soils (Spitsbergen)
Autorzy:
Cieśla, Jolanta
Sokołowska, Zofia
Witkowska-Walczak, Barbara
Skic, Kamil
Powiązania:
https://bibliotekanauki.pl/articles/972372.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
specific surface area
arctic zone
cryosols
Opis:
Water vapour/nitrogen adsorption were investigated and calculated the specific surface areas of arctic-zone soil samples (Turbic Cryosols) originating from different micro-relief forms (mud boils, cell forms and sorted circles) and from different depths. For the characterisation of the isotherms obtained for arctic soils, the Brunauer-Emmet-Teller model was then compared with the two other models (Aranovich-Donohue and Guggenheim-Anderson-de Boer) which were developed from Brunauer-Emmet-Teller. Specific surface area was calculated using the Brunauer-Emmet-Teller model at p p0-1 range of 0.05-0.35 for the water vapour desorption and nitrogen adsorption isotherms. The values of total specific surface area were the highest in Cryosols on mud boils, lower on cell forms, and the lowest on sorted circles. Such tendency was observed for the results obtained by both the water vapour and nitrogen adsorption.The differences in the values of specific surface area at two investigated layers were small. High determination coefficients were obtained for relationships between the specific surface areas and contents of clay and silt fraction in Cryosols. No statistically significant correlation between the total carbon amount and the values of specific surface area in Cryosols has been found.
Źródło:
International Agrophysics; 2018, 32, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrology and hydrochemistry of the surface water layer near the sea-ice edge in the Scotia Sea (December 1988 - January 1989)
Autorzy:
Tokarczyk, Ryszard
Lipski, Maciej
Perez, Felix F.
Reboredo, Ricardo P.
Powiązania:
https://bibliotekanauki.pl/articles/2052792.pdf
Data publikacji:
1991
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
hydrology
hydrochemistry
sea-ice zone
Źródło:
Polish Polar Research; 1991, 12, 4; 495-505
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Palaeogeographic reconstruction of the North Podlasie region in the Sokółka area during the Late Pleistocene (NE Poland)
Autorzy:
Rychel, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/2058729.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
glacial lobe
periglacial zone
polygenetic relief
Opis:
A new palaeogeographic reconstruction from the end of the Odranian Glaciation to the end of the Weichslian Glaciation (MIS 2) is based on research carried out at the Knyszewicze site, NE Poland, focusing on the dynamics of the Wartanian Glaciation (MIS 6) and showing the lobed nature of this ice sheet. Reconstruction of deglaciation in the research area was supplemented by analysis of postglacial morpholineaments (MMA). Research carried out at the Jałówka site enabled reconstruction of the processes affecting lake processes during the Eemian (MIS 5e) Interglacial and transformation of this area during the Weichselian Glaciation. The results obtained indicated that the study area was not covered by Weichselian ice, the sediments formerly considered as glacial being slope-related and providing evidence of periglacial conditions. A new conceptual model for the evolution of this area is put forward, showing the polygenetic nature of the relief. The glacial landforms developed during the Warta Stadial and transformed during the Eemian Interglacial were further affected by periglacial processes, which significantly remodelled the relief.
Źródło:
Geological Quarterly; 2021, 65, 1; 12
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Rietveld refinement studies of pyromorphite-vanadinite and mimetite-vanadinite solid solution series
Autorzy:
Solecka, U.
Zelek, S.
Bajda, T.
Powiązania:
https://bibliotekanauki.pl/articles/184341.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
apatite supergroup
oxidation zone
ore deposit
Opis:
Mimetite Pb 5 (PO 4 ) 3 Cl, vanadinite Pb 5 (VO 4 ) 3 Cl and pyromorphite Pb 5 (PO 4 ) 3 Cl belong to the apatite supergroup. They form in oxidation zones of lead ore deposits. These minerals have high thermal stability (Dong et al. 2002) and low solubility (Flis et al. 2011) thus they have many applications. Pyromorphite and mimetite are especially used to immobilize lead in contaminated soils and hazardous industrial wastes (Ma et al. 1993, Kim et al. 2005, Bajda et al. 2007), it is therefore important to know the impact of various factors on their properties. Crystal structure of apatites corresponds to the general formula M 5 (TO 4 ) 3 X, where M are bi - valent cations distributed on two distinct crystallographic sites, TO 4 is a trivalent oxyanion and X is a monovalent anion. The structure and chemistry of apatite allow for numerous substitutions of metal cation and anionic complexes (Hughes & Rakovan 2002, Pan & Fleet 2002). It was found that substitutions cause variations in the unit cell parameters and chemical properties of these minerals (Botto et al. 1997), but there are no articles presenting variations in the whole series. Therefore, these researches present changes of lattice parameters for pyromorphite-vanadinite and mimetite-vanadinite solid solution series. Pyromorphite, mimetite and vanadinite crystallize in hexagonal symmetry (the space group P6 3 /m) (Dong et al. 2002, Pan & Fleet 2002). They form continuous isomorphic series. The aim of study was to examine how lattice parameters of pyromorphite-vanadinite and mimetite-vanadinite solid solutions series change with increasing vanadium content and characterize these pheno mena. Crystallographic studies were conducted on synthetic pyromorphite, mimetite and vanadinite and minerals with intermediate compositions Pb 5 (TO 4 ) 3 Cl, where T = P + V or As + V, of various P/V or As/V ratios. Samples were analyzed by X-Ray diffraction (XRD) using RIGAKU Smartlab X-Ray diffractometer with Cu radiation in a 10° to 110° 2Θ range at a step size of 0.02 2Θ and a rate of 2 s per step. The phase identification was carried out using the X’Rayan computer program and X-ray standard patterns in the form of ICDD files (card 19-0701, 19-0683 and 43-1461). The unit-cell refinement and Rietveld structure refinement were made using the FullProf Suite computer program package (Rodriguez-Carvajal 1993). The Rietveld refinement has shown systematic changes in unit cell parameters of studied samples depending on their chemical composition. Dimensions of unit cell parameters of pyromorphite-vanadinite solid solution series increase linearly with the substitution of vanadate ions in the structure of pyromorphite. Lattice parameter “a” increase in the range of 9.987–10.325 Å, while lattice parameter “c” increase in the range of 7.33–7.343 Å. In case of the mimetite-vanadinite solid solution series, lattice parameter “a” increase (10.251–10.325 Å range), whereas lattice parameter “c” decrease (7.442–7.343 Å range) linearly with the substitution of vanadate ions in the structure of mimetite. This situation indicates the equivalent position of the tetrahedral TO 4 in the structure of lead apatite.
Źródło:
Geology, Geophysics and Environment; 2016, 42, 1; 127-128
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identification of Danger Zones for Surface Water Using GIS (Sip) – Mapinfo System on an Example of Upper Narew River Catchment
Autorzy:
Skorbiłowicz, M.
Skorbiłowicz, E.
Powiązania:
https://bibliotekanauki.pl/articles/125133.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
GIS
danger zones
river
buffer zone
Opis:
Creating the buffer zones is a function intended to designate an area in particular, of a constant distance around the spatial objects. The aim of the study was to create maps as thematic layers, which served to identify areas of existing and potential contamination of surface water and other environmental elements. Among others, it made possible to localize the areas potentially affected by the surface water pollution due to transport; localize the areas potentially affected by the surface water pollution due to the discharge of sewage from human settlements; localize the zones with mitigated impact of communication emissions due to the natural protection of forests taking the form of so-called geochemical barriers. The spatial analyzes allowed to generate model-zones of the existing and potential threat of water pollution in the Narew river catchment. Designated danger zones can be verified by studies as well as they can be very helpful in determining the monitoring network and for water quality modeling process.
Źródło:
Journal of Ecological Engineering; 2016, 17, 3; 161-168
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of the bristleworm (Pygospio elegans Claparede) (Spionidae) and its role in the Polish coastal zone of the Baltic Sea
Charakterystyka wieloszczeta (Pygospio elegans Claparede) (Spionidae) i jego rola w polskiej strefie przybrzeżnej Morza Bałtyckiego
Autorzy:
Piesik, Z.
Obolewski, K.
Wolikowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/84885.pdf
Data publikacji:
2008
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
polychaete
Pygospio elegans
Spionidae
Polish coastal zone
coastal zone
Baltic Sea
biomass
population density
marine zoobenthos
Opis:
Quantitative aspects of the spionid polychaete Pygospio elegans population in the Polish coastal zone of the Baltic Sea, in estuarine areas of Pomeranian river mouths were investigated. The fre-quency of occurrence (F) of P. elegans in the Polish coastal zone averaged 54% (permanent spe-cies) and ranged from 20 to 80%. The polychaete abundance along the Central Pomeranian coast peaked at 1 837 ind. m-2, the mean abundance being 175.7 ind. m-2. The density of the spionid worm in the Middle Pomerania was low and rarely exceeded 1 000 ind. m-2. The mean wet weight biomass of P. elegans in different areas was low (max. 0.29 gww m-2). The abundance of P. elegans in the river mouth areas (estuaries) was basically higher west of the mouth, in areas less exposed to polluted and freshened riverine water; water in those areas, however, carried lower bioseston loads, which affected trophic conditions.
Badania dotyczyły ilościowych aspektów populacji Polychaeta – Pygospio elegans (Claparede) w polskiej strefie przybrzeżnej Morza Bałtyckiego oraz w obszarach przybrzeżnych ujść pomorskich rzek. Częstość występowania (F) P. elegans w polskiej strefie przybrzeżnej wyniosła 54% i wahała się od 20 do 80%. Zagęszczenie tego Polychaete wzdłuż wybrzeża środkowego osiągnęło maksymalnie 1837 osobn. m-2 (x = 175,7 osobn. m-2) i w miejscach występowania rzadko przekraczało 1000 osobn. m-2. Średnia biomasa mokra P. elegans w badanym obszarze była niska (maksimum 0,29 gmm m-2). Zagęszczenie P. elegans w strefie estuariowej (ujścia rzek) było zasadniczo wyższe na zachód od ujść, w obszarach mniej narażonych na zanieczyszczanie i wpływ wód rzecznych niosących znaczne ilości biosestonu odpowiedzialnego za wzrost warunków troficznych.
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2008, 12
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
EUROPEAN UNION AND EUROPEAN GERMANY
Autorzy:
Czarny, Elżbieta
Menkes, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/489105.pdf
Data publikacji:
2015
Wydawca:
Instytut Badań Gospodarczych
Tematy:
European Union
Germany
euro zone
German unification
Opis:
We analyze the correlation between the European integration and incorporating Germany into the process of European cooperation. We point out that the European integration after WWII was determined by the creation of the European Coal and Steel Community in the year 1951. This Community made it possible to control the steel industry of the Member States (among them Germany) within the framework of the common market. It was aimed at stable and harmonized development, as well as at preventing an uncontrolled growth of military-industrial complex, increasing the production for the army and decreasing the probability of the outbreak of the next war. Then - after the deepening of cooperation (taking her new areas) – the European Communities (EC) were created. They are still institutional foundations of the EU. One of the main reasons of the EC creation was the willingness to ensure lasting peace in Europe and to create „security community” through a.o. incorporation of Germany into the group of cooperating states. In this paper, we analyze the security system components created (e.g.) by the EC/EU, as well as the origin and changes of their characteristics. We compare the process of German unification (and more general: of defining the German unity, and broader: unity of the German speaking territory) after WWI and WWII. The analysis of similarities and differences leads us to the present stage of the European integration, when the unification of two German states was accomplished for the price of German acceptance of deepening of the integration and the creation of the European monetary union. We analyze various consequences of unification of Germany and the creation of the euro zone. In our opinion, they go far beyond the economic or political ones, and are connected with the EU Eastern enlargement.
Źródło:
Oeconomia Copernicana; 2015, 6, 4; 7-27
2083-1277
Pojawia się w:
Oeconomia Copernicana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Palynofacies analysis of Ida-4 well, Niger Delta Basin, Nigeria
Autorzy:
Chukwuma-Orji, Jacinta Nkiru
Okosun, Edward Agboneni
Gana, Funmilayo Daramola
Powiązania:
https://bibliotekanauki.pl/articles/184404.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
palynofacies
paleoenvironment
palynostratigraphic zone
Ida-4 well
Opis:
Palynofacies analyses of the strata penetrated by Ida-4 wells were carried out with the aim of studying the stratigraphic sequence penetrated by the well in order to establish palynostratigraphic zones, relative age and the paleoenvironment of deposition. Fifty ditch cutting samples within the interval of 2179–3523 m were analyzed. The acid methods of sample preparation for palynofacies analyses were followed. The result of the analyses yielded low to abundant occurrences of pollen and spores with an abundance of small, medium and large sizes of palynomacerals 1 and 2, few occurrences of palynomacerals 3 and 4. The lithology consists of the alternation of shale and sandstone units with few intercalations of argillaceous sandstone units, indicating that the studied interval belongs to the Agbada Formation. The studied intervals were dated to the middle Miocene to late Miocene, based on the recovered age diagnostic marker species such as Zonocostatites ramonae, Multiareolites formosus, Verrutricolporites rotundiporus, Crassoretitriletes vanraadshoveni and Racemonocolpites hians. Two interval range palynostratigraphic zones: Multiareolites formosus – Zonocostatites ramonae, Verrutricolporites rotundiporus - Crassoretitriletes vanraadshoveni and a taxon range zone: Ainipollinite verus zone were proposed. Paleoenvironmental interpretation was based on the palynofacies association and the lithology which revealed that the stratigraphic interval studied was deposited in the Coastal-deltaic (marginal marine) environments.
Źródło:
Geology, Geophysics and Environment; 2019, 45, 3; 219-230
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Project of a special demographic zone as a response to a threat of depopulation in the Opole province
Autorzy:
Goleński, W.
Powiązania:
https://bibliotekanauki.pl/articles/347850.pdf
Data publikacji:
2015
Wydawca:
Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
Tematy:
depopulation
threat
Opole Province
Special Demographic Zone
Opis:
Depopulation in the Opole Province is a real threat, the effects of which, although spread over time can be seen today. They arise from many complex factors such as negative birth rate, population aging or unfavourable migration balance. The threat of depopulation brings certain results in the sphere of socio-economic policy in the region, which when appropriately targeted (despite their potentially negative nature) can contribute to pro-development solutions. In the situation of the demographic crisis the regional authorities created their original project of the Special Demographic Zone (SDZ), which has no counterpart in the whole country. SDZ combines, in a complementary manner, spheres of different sectoral policies, thus addressing the main challenge facing the Opole Province - preventing depopulation.
Źródło:
Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki; 2015, 4; 48-63
1731-8157
Pojawia się w:
Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phytoplankton variability in Admiralty Bay, King George Island, South Shetland Islands: six years of monitoring
Autorzy:
Kopczyńska, Elżbieta E.
Powiązania:
https://bibliotekanauki.pl/articles/2051711.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
King George Island
coastal zone
phytoplankton
Źródło:
Polish Polar Research; 2008, 29, 2; 117-139
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nozzle Clogging in Vacuum Induction Melting Gas Atomization: Influence of the Delivery-Tube and Nozzle Coupling
Autorzy:
Wang, Junfeng
Xia, Min
Wu, Jialun
Ge, Changchun
Powiązania:
https://bibliotekanauki.pl/articles/2174590.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nozzle clogging
atomization
recirculation zone
delivery-tube
Opis:
Nozzle clogging seriously affects the continuity of spraying powder in vacuum induction melting gas atomization (VIGA) process and increases the consumption of gas and raw materials. However, there are few systematic studies on nozzle clogging. This paper reports the physics of nozzle clogging in gas atomization production. The influence of coupling-length of different melt delivery-tubes on nozzle clogging is studied numerically and experimentally. The interface tracking method of Volume of Fluid (VOF) and the large eddy simulation (LES) model are performed for visualizing the melt droplets flow traces in primary atomization and the associated simulation cloud images compared with experimental results. Four delivery-tube coupling-lengths (0 mm, 3 mm, 5 mm, and 7 mm) relative to nozzle position and two gas pressures (3 MPa and 4.5 MPa) are chosen for this study. The results indicated that the coupling-lengths of 0 mm and 3 mm increases the strength of the recirculation zone, the melt droplets backflow is obvious, and the nozzle is blocked. However, this phenomenon eliminated with increasing coupling-lengths, the atomization process is continuous, but the final fine powder yield decreases. This research is of guiding significance and reference for understanding the nozzle clogging of vacuum induction melting gas atomization (VIGA) technology.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 4; 1359--1370
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Grit Blasting and Thermal Spraying on Microstructure Evolution of P91 Weldment
Autorzy:
Thakare, J. G.
Pandey, C.
Mulik, R. S.
Mahapatra, M. M.
Narang, H. K.
Powiązania:
https://bibliotekanauki.pl/articles/947576.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
P91
HAZ
IC-HAZ
deformation zone
Opis:
In the present work, studies have been carried out on the variations in the microstructure and hardness of P91 base-metal and welded joint. This variations result from the grit blasting and thermal cycle experienced during the thermal spraying process. The microstructural effects have been analyzed in terms of the depth of the deformation zone. Scanning Electron Microscopy and Xray diffraction were used as characterization techniques. The grit blasting carried out prior to thermal spraying has resulted in the highest change in sub-surface hardness of the heat affected zone (HAZ). However, flame treatment further reduced the subsurface hardness of the heat affected zone. The depth of deformation zone was highest for inter-critical heat affected zone (IC-HAZ). The overall coating process resulted in an increase in subsurface hardness of various regions of HAZ and fusion zone (FZ). The base metal showed a 7% increase in subsurface hardness due to the overall coating process. The IC-HAZ showed maximum variation with 36% increase in subsurface hardness. The coarse grained heat affected zone (CG-HAZ) and FZ did not show any change in subsurface hardness. As a whole, the hardness and microstructure of the welded joint was observed to be more sensitive to the thermal spray coating process as compared to the base metal.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 4; 1725-1734
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Operational modelling for coastal zone management - experiences from OPCOM and application possibilities for environmental impact assessment
Autorzy:
Nöhren, I.
Duwe, K.
Mahnke, P.
Powiązania:
https://bibliotekanauki.pl/articles/241093.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
OPCOM project
coastal environment
coastal zone management
Opis:
Within the framework of the OPCOM project, operational and pre-operational tools have been developed to help the local players and decision-makers in managing the coastal environment. In this context operational or pre-operational model systems were applied to four very different coastal zones. The results were analysed for coastal zone management purposes according to the specific local demands for coastal man-agement in close co-operation with possible first users. This publication describes the experience and most important conclusions derived in the OPCOM project regarding the importance and application possibilities of local operational models in integrated coastal zone management.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2001, 48, 3; 85-94
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structure and metamorphism of the Dardania zone in the eastern part of Gjilan region (Kosovo)
Autorzy:
Kutllovci, Festim
Powiązania:
https://bibliotekanauki.pl/articles/2016491.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Wydział Geoinżynierii, Górnictwa i Geologii. Instytut Górnictwa
Tematy:
Dardania zone
metamorphism
schistosity
deformation
structural analysis
Opis:
The Dardanian zone represents the western part of the Rhodope crystalline basement. This zone was structured and metamorphosed during the Hercynian and post Hercynian tectonic stages. The important aspects have been identified in the structure and metamorphism from this part of western Rhodopes. The geological setting of study region has clarified the most important aspects regarding: structural geology, deformation, tectonics, and metamorphism. The studied region represents an important node in the geology of Kosovo and beyond. In this region there is the border of the Vardar unit and the Serbo-North Macedonian tectonic unit (Dardania Massif). The Serbo-North Macedonian Massif (eastern part of Kosovo) structurally represents the upper part of Dacia and the innermost whole, compared to the Carpathian-Balkanids described above. The Crystalline belt of metamorphic rocks belongs to high-grade metamorphism. The rocks of the Upper Complex represent a volcano-sedimentary sequence that is metamorphosed only under greenschist facies conditions. The Lower Complex consisting of gneiss, micaschists and to a lesser extent amphibolites, quartzites, marbles and migmatites. The main event of the Hercynian tectonic period that structured the rocks forming in the Dardania zone is associated with the regional deformation D2. Its intensity is depending on the type of rocks, but it is noted an increase of the intensity from west to east. The associated schistosity S2(penetrating schistosity)is an axial plane schistosity of the isoclinals folds S0, S1. The schistosity S2 is homogenous, with an average strike direction of 345° and dip direction of 45°. The intersection lineation (L2) and the fold axis (B2) are very homogenous with the dip azimuth toward N (350°) and dip angle of 10°. The deformation D3 is associated with the crenulations of schistosity S3. The schistosity S3 represents the axial plan of the kink fold and crenulation. The schistosity S3 is very heterogeneous and it is difficult to arrive at conclusions regarding the average direction of this planar structure also to judge the kinematic aspects of the movement. Likewise, the axis of the crenulations B3 and L3 lineation represent relative heterogeneous linear structures. The deformation D4 is associated with the fracture schistosity S4. The schistosity S4 often show the axial plan of the open parallel folds. The schistosity S4 is homogenous with the range East–West with symmetric drop (in the N and S), by proving that we are dealing with a phase of deformation with an extensional tectonic regime (with the direction N–S).
Źródło:
Mining Science; 2021, 28; 93-102
2300-9586
2353-5423
Pojawia się w:
Mining Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dynamika zmian w krajobrazie strefy podmiejskiej Szczecina
Dynamics of changes in the landscape of the suburban zone, Szczecin
Autorzy:
Freino, H.
Powiązania:
https://bibliotekanauki.pl/articles/1185329.pdf
Data publikacji:
2002
Wydawca:
Uniwersytet Przyrodniczy we Wrocławiu
Tematy:
strefa podmiejska
krajobraz
Szczecin
suburban zone
landscape
Opis:
A landscape always clearly reflects the state of the economy with all its consequences for the space, therefore it is difficult not to notice transformations in the appearance of our cities, towns and surrounding areas. A lively urbanization of many rural areas has occurred and is still occurring, which has undoubtedly brought economical vivification, but also a series of objectionable occurrences. The key ones are: lack of spatial order and disharmony in landscape, which are an external expression of increasing amorphism of spatial sets in Polish cities. It is certain that occurrences described in the present article cannot be avoided in the nearest future. However there is a necessity to counteract against them, and the priorities in appropriate suburban zone landscape shaping include: stronger accent on landscape issues in Polish legislation and strengthening the feeling of identity among local societies.
Źródło:
Architektura Krajobrazu; 2002, 1-2; 92-97
1641-5159
Pojawia się w:
Architektura Krajobrazu
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New palaeomagnetic data from the Palaeozoic carbonates of the Moravo-Silesian Zone (Czech Republic): evidence for a timing and origin of the late Variscan remagnetization
Autorzy:
Grabowski, J.
Bábek, O.
Nawrocki, J.
Tomek, Č.
Powiązania:
https://bibliotekanauki.pl/articles/2059093.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Czech Republic
Moravo-Silesian Zone
palaeomagnetism
remagnetization
Opis:
Palaeomagnetic studies were carried out in the Devonian–Early Carboniferous carbonates of the Moravo-Silesian Zone — MSZ (Czech Republic) in order to evaluate the timing and origin of late Variscan magnetic over printing. Sampling localities were spread out along the strike of the MSZ from the SW to NE. Previously published thermal maturity data have demonstrated a significant gradient from SW (burial temperatures 150–200gradeC) to NE of the region (250–300gradeC). A late Variscan remagnetization direction (component A), carried by magnetite, was identified in 6 localities. Three phases of the remagnetization in the MSZ might be distinguished which might be assigned to Early to Late Carboniferous, Late Carboniferous and Early Permian. They are coeval with remagnetization events distinguished in Ardennes. A correlation exists between thermal indices and un blocking temperature spectra of component A. Thermal activation nomograms show that component A might be either a thermoviscous or thermochemical remanent magnetization acquired due to a thermal event (deep burial) of 1–10 My duration and stabilized during subsequent uplift. A more ancient component B, identified in the SW part, previously interpreted as primary, is shown to be a synfolding remagnetisation. Itindicates 70grade clockwise rotations before the acquis tion of the component A .
Źródło:
Geological Quarterly; 2008, 52, 4; 321-321
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Relationship between morphology and glaciomarginal deposition in the fore land area of the Opava Mountains (S Poland)
Autorzy:
Salamon, T.
Powiązania:
https://bibliotekanauki.pl/articles/2060220.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Polska
Pleistocene
sedimentology
mountain foreland
glaciomarginal zone
Opis:
The glaciomarginal zone in front of the Opava Mountains (Eastern Sudetes) shows complex relief. This relief resulted during the Pleistocene in glaciomarginal sedimentation that differed from sedimentation in lowlands. Sedimentological analysis was carried out on deposits of the Odranian Glaciation, when the Scandinavian ice sheet reached its maximum extent in the Eastern Sudetes fore land. Three sites in the foreland of the Opava Mountains, situated in the upper reaches of the Troja River valley, were examined. It appears that the sedimentation was controlled primarily by the relief of the substratum, and changed with the position of the ice front. Glaciomarginal fans of different size formed in the Troja River valley, which was parallel to the ice sheet front. They passed distally into the valley outwash plain, the formation of which was also influenced by mountain rivers, the role of which though changed with time. Occasionally, water flowed from ice-dammed lakes in neighbour ing valleys into the Troja River valley.
Źródło:
Geological Quarterly; 2008, 52, 2; 143-143
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prediction of field of fire of a bar warhead
Prognozowanie strefy rażenia głowicy prętowej
Autorzy:
Trębiński, R.
Powiązania:
https://bibliotekanauki.pl/articles/234718.pdf
Data publikacji:
2011
Wydawca:
Wojskowy Instytut Techniczny Uzbrojenia
Tematy:
strefa rażenia
pociski rakietowe
destruction zone
missiles
Opis:
In the paper, a method of prediction of the shape of a field of fire of a bar warhead of an antiaircraft missile has been presented. The method is based on Gurney formula for predicting velocity of a shell launched by detonation products of an explosive and an assumed form of function describing time dependence of the velocity of shell elements. Numerical integration of equations of trajectory of individual elements of bars provides bar positions in consecutive moments of time. Exemplary results of calculations have been presented.
W pracy przedstawiono metodę przybliżonego oszacowania kształtu statycznej strefy rażenia prętowej głowicy przeciwlotniczego pocisku rakietowego. Metoda oparta jest na wzorach Gurneya dla oceny prędkości miotania powłoki pocisku produktami detonacji materiału wybuchowego oraz na założonej postaci zależności prędkości elementu powłoki od czasu. Numeryczne całkowanie równań trajektorii poszczególnych elementów prętów pozwala określić położenie prętów w kolejnych momentach czasu. Przedstawiono wyniki przykładowych obliczeń.
Źródło:
Problemy Techniki Uzbrojenia; 2011, R. 40, z. 117; 95-101
1230-3801
Pojawia się w:
Problemy Techniki Uzbrojenia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Shape of wetting front in soil profile after long-drawn imbibition
Autorzy:
Książyński, K. W.
Powiązania:
https://bibliotekanauki.pl/articles/240956.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
wetting front
vadose zone
redistribution of moisture
Opis:
In the paper a quasi-analytical formula for moisture increase along the wetting front during infiltration into a soil column is presented. Based on the formula, the moisture distribution along the column of six soils available in the literature was calculated. Then their verification was carried out using empirical data and the results obtained from other type models. The impact on the front shape of such factors as recharge rate, initial moisture content and direction of seepage against the vertical was checked.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2003, 50, 4; 317-328
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Grecki kryzys jako skutek kompleksowych defektów strefy euro i pakietów oszczędnościowych
Greek Crisis as a Result of a Comprehensive Defects of Euro Zone and Austerity Policy
Autorzy:
Pędziński, Dominik
Powiązania:
https://bibliotekanauki.pl/articles/558047.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Warszawski. Centrum Europejskie
Tematy:
Austerity Policy,
Economy Crisis,
Euro Zone,
Greece
Opis:
Global economic crisis of 2008 revealed system defects of euro zone. Common currency became a burden for a poor countries who adopted it. Without monetary policy trade balance of countries like Greece, Spain or Portugal became fragile resulting in aggravation of public debt and weakening of economy when other countries, like Germany, benefited from this unexceptionally well. Austerity policy adopted by European Union aimed for resolving the debt crisis. In reality it only deepened it even more and there’s no sign of changing the course of measures taken. Therefore, the aim of the article is to describe the mechanisms and defects of euro zone and austerity policy that caused and intensifi ed crisis in Greece and to briefly present possible solutions to it.
Źródło:
Studia Europejskie - Studies in European Affairs; 2017, 3; 59-74
1428-149X
2719-3780
Pojawia się w:
Studia Europejskie - Studies in European Affairs
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effectiveness of Master Plans: Case Studies of Biologically Active Areas in Suburban Zones
Autorzy:
Błasik, Magdalena
Wang, Tong
Kazak, Jan K.
Powiązania:
https://bibliotekanauki.pl/articles/2105520.pdf
Data publikacji:
2022
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
master plan
spatial planning
effectiveness
suburban zone
Opis:
Sustainable development on a local scale requires well-functioning instruments in the spatial planning system. Any weakness in the planning system may result in forms of spatial development that are socially, environmentally or economically disadvantageous. Therefore, the aim of this study was to examine whether master plans and land development monitoring in the Polish system are effective instruments in shaping sustainable spatial development. The factor analyzed was the share of a biologically active area and four villages located near a regional city were analyzed. Data from master plans, cadaster and orthophoto maps were used in this study. Verification of land use made it possible to evaluate whether the properties meet the provisions of spatial planning documents. In each of the analyzed villages, properties that do not meet the provisions of master plans were identified. In one of the villages, more than half of the properties had a smaller share of biologically active areas than permitted by the local law. The research also analyzed alternative scenarios of the potential impact of the application of permanent vegetation on sealed surfaces. These results showed that using green roofs, for example, can significantly reduce the problem of local laws being broken. The results quantitatively confirm that the provision of master plans in the Polish system are not effective tools in regulating land development.
Źródło:
Geomatics and Environmental Engineering; 2022, 16, 3; 27--40
1898-1135
Pojawia się w:
Geomatics and Environmental Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution of common bivalves in the Polish coastal zone of the Baltic Sea
Rozmieszczenie pospolitych małży w polskiej strefie przybrzeżnej Bałtyku
Autorzy:
Piesik, Z.
Obolewski, K.
Strzelczak, A.
Powiązania:
https://bibliotekanauki.pl/articles/85235.pdf
Data publikacji:
2009
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
distribution
common bivalve
bivalve
Polish coastal zone
Baltic Sea
coastal zone
density
Macoma balthica
Mytilus edulis
Cerastoderma glaucum
Opis:
The populations of common Baltic bivalves Macoma balthica, Mytilus edulis and Cerastoderma glaucum were studied in the Polish coast (up to 4 Nm), both in estuary and open coastal zones of the Middle Pomerania as well as in the Puck Bay and the Gulf of Gdańsk (up to 2 Nm). The following parameters were investigated: density of the bivalves and environmental conditions (distance from the shore, substrate type, coast type, depth). Relationships between environmental conditions and abundance of the consecutive bivalve species were analysed with the help of ordination method (redundancy analysis RDA) and multivariate regression trees (MRT). RDA analysis indicated that C. glaucum density depended mainly on the localisation along the coast while M. edulis occurrence was governed by the distance from the shore and depth. Only density of M. balthica depended evenly on all the environmental parameters. MRT analysis revealed that the main factors influencing the distribution of bivalves were sediment granularity and depth.
Badano populację pospolitych bałtyckich małży Macoma balthica, Mytilus edulis i Cerastoderma glaucum w polskiej strefie przybrzeżnej (do 4 Nm) w strefach estuariowych i otwartego wybrzeża Pomorza Środkowego oraz strefie Zatoki Puckiej i Gdańskiej (do 2 Nm). Określono zagęszczenie badanych gatunków w wodach przybrzeżnych, w tym w rejonach ujść rzek Wieprzy, Słupi, Łupawy i Łeby oraz na obszarze Zatoki Puckiej i Gdańskiej, a także warunki środowiskowe (odległość od brzegu, typ podłoża, typ wybrzeża, głębokość). Z wykorzystaniem metod ordynacyjnych (RDA) oraz drzew regresyjnych (MRT) ustalono znaczenie poszczególnych parametrów środowiskowych dla każdego z gatunków małży. Według RDA zagęszczenie C. glaucum związane jest głownie z miejscem wybrzeża, natomiast M. edulis z odległością od brzegu i głębokością. Jedynie zagęszczenie M. balthica było równocześnie uzależnione od wszystkich parametrów. Drzewo regresyjne (MRT) wytypowało główny czynnik, jakim była w pierwszej kolejności ziarnistość osadów, a następnie głębokość.
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2009, 13 part II
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wave-induced bottom shear stress estimation in shallow water exemplified by using deep water wind statistics
Autorzy:
Myrhaug, D.
Powiązania:
https://bibliotekanauki.pl/articles/47582.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
shallow water
deep water
wind
water
circulation model
shear stress
mud deposit
coastal zone
estuarine zone
bottom sediment
Opis:
The paper provides a simple and analytical method which can be used to give estimates of the wave-induced bottom shear stress for very rough beds and mud beds in shallow water based on wind statistics in deep water. This is exemplified by using long-term wind statistics from the northern North Sea, and by providing examples representing realistic field conditions. Based on, for example, global wind statistics, the present results can be used to make estimates of the bottom shear stress in shallow water.
Źródło:
Oceanologia; 2017, 59, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A case of cutaneous larva migrans syndrome found in group of Polish citizens after coming back from Botswana
Autorzy:
Kotlowski, A.
Olszanski, R.
Rejewska, B.
Mayer, L.
Powiązania:
https://bibliotekanauki.pl/articles/838823.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
cat
Botswana
Mediterranean zone
Asia
South America
Polish citizen
cutaneous larva
dog
Ancylostoma braziliense
nematode
climatic zone
larva
Africa
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Work zone traffic management in rehabilitation of M-2
Autorzy:
Adeel, M.
Khurshid, M. B.
Shakir, M. K.
Powiązania:
https://bibliotekanauki.pl/articles/2140972.pdf
Data publikacji:
2018
Wydawca:
Fundacja Centrum Badań Socjologicznych
Tematy:
work zone traffic management
highway work zone layout
rehabilitation
travel time savings
crash cost savings
vehicle operating cost savings
Opis:
Pakistan has a population of over 199 million and total road network of approximately 264,400 kilometers that serve about 16.2 million vehicles of all types. According to WHO estimates, there were approximately 30,000 annual Road Crash Fatalities (RCF) in Pakistan in year 2010. Work zone crashes account for significant proportion of all traffic crashes in Pakistan due to higher crash rate as compared to other parts of the highway network. Highway work zone is referred to road area where highway construction, maintenance or activity related to utility maintenance takes place. Workers in highway work zone are exposed to a variety of hazards and face risk of injury and death from construction equipment as well as passing motor vehicles. Safety measures and better understanding of risks involved while moving through the work zone have significant effects on the overall safety climate at work zones. Mismanaged work zone traffic increases the travel time delays, safety issues, vehicle operating costs (VOC) and other associated costs. Performance measures for the work zone traffic management includes user costs (travel time delay, crash cost, VOC), incident response and clearance time, queue length and community complaint. Different work Zone Traffic Management methodologies are being practiced worldwide and extensive research has been carried out at international level on country specific highway work zone safety but in Pakistan very few studies have been carried out on highway work zones. This research aims to critically analyze the impacts of the different Work Zone Traffic Management methods and recommend the best option for Expressways/Motorways in Pakistan. For the purpose of research, the author has selected a section of Motorway (M-2). Two different work zone traffic management methods are being followed in rehabilitation of M-2 .i.e. Parallel/Adjacent Method and Median Cross-Over Method. Performance measures selected for purpose of analysis are Travel Time Delay, Crash Cost (Safety) and VOC and data collected on section of M-2. After critical analysis, it is concluded that Parallel / Adjacent Method results in lesser Travel Time delay and lesser VOC due to higher operating speeds and thus has higher savings, whereas Median Cross over Methods yield more Crash Cost savings. Keeping in view the driving habits / skills, poor maintenance of vehicles in Pakistan and risk of fatal accidents involved in parallel/adjacent method, median cross over method is preferred.
Źródło:
Journal of Sustainable Development of Transport and Logistics; 2018, 3, 3; 99-108
2520-2979
Pojawia się w:
Journal of Sustainable Development of Transport and Logistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Własności zakładkowych złączy spajanych metodą zgrzewania tarciowego z przemieszaniem (FSW – Friction Stir Welding)
Properties of overlap joints welded by the Friction Stir Welding Method
Autorzy:
Kudła, K.
Wojsyk, K.
Kucharczyk, Z.
Powiązania:
https://bibliotekanauki.pl/articles/211415.pdf
Data publikacji:
2013
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Obróbki Plastycznej
Tematy:
zgrzewanie tarciowe przemieszaniem
aluminium
złącza zakładkowe
strefa natarcia
strefa spływu
friction stir welding
overlap joints
advancing zone
retreating zone
Opis:
Praca dotyczy problemu łączenia złączy zakładkowych wykonanych ze stopów aluminium technologią zgrzewania tarciowego z przemieszaniem FSW. Analizie poddano budowę złącza w strefach: natarcia, wpływu ciepła oraz spływu. Wykazano dużą niejednorodność i asymetrię złącza, charakteryzującą się wyraźną granicą między materiałem po rekrystalizacji i odkształceniu termomechanicznym. Próby ścinania ujawniły występowanie obszaru w strefie spływu, w którym występują przyklejenia między łączonymi elementami, obniżając jego wytrzymałość. W obszarze natarcia elementem decydującym o charakterze zniszczenia jest kształt linii styku łączonych materiałów. Dokonano analizy siły docisku oraz położenia narzędzia na jakość zgrzein. Wykazano, że najlepsze efekty łączenia uzyskuje się prowadząc proces zgrzewania z kontrolowaną siłą docisku i z zachowaniem odpowiedniego ustawienia kąta pochylenia oraz głębokości jego zanurzenia w materiale.
This paper regards the problem of creating overlap joints made of aluminum alloys using the technology of friction stir welding, FSW. The structure of a joint was analyzed in the advancing zone, the heat affected zone and the retreating zone. It was shown that the joint is nonuniform and asymmetric. The nonuniformity and asymmetry of the joint are characterized by a distinct border between material that was recrystallized and thermomechanically deformed. Shear tests demonstrated the existence of the area in the retreating zone where bonding between joined elements occurs. This reduces the joint strength. In the advancing zone, the shape of the boundary line between joined materials is the factor determining the character of material failure. The work analyzes the impact of downward force and tool position on the quality of welds. It was shown that for the welding process the best results can be achieved by controlling downward force and maintaining appropriate tilt angle and depth of tool penetration.
Źródło:
Obróbka Plastyczna Metali; 2013, 24, 3; 179-191
0867-2628
Pojawia się w:
Obróbka Plastyczna Metali
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmiany wybranych elementów krajobrazu strefy pośredniej i zewnętrznej małego miasta na przykładzie Gołdapi i Sulechowa
Landscape changes of small town middle and external zone
Autorzy:
Kupidura, Adrianna
Kardaś, Agnieszka
Kupidura, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/588380.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Krajobraz małych miast
Małe miasta
Strefa pośrednia
Strefa zewnętrzna
External zone
Landscape of small town
Middle zone
Small town
Opis:
Krajobraz małych miast ma wpływ na tożsamość polskiej przestrzeni. W artykule przedstawiono uwarunkowania mające wpływ na fizjonomię struktury przestrzennej małych miast oraz zmiany w sposobie użytkowania gruntów. W badaniach skupiono się na strefie przejściowej pomiędzy terenami zurbanizowanymi a terenami wiejskimi. Tereny znajdujące się poza granicami administracyjnymi miast traktowane są przez polskie opracowania statystyczne jako obszary wiejskie. W statystyce nie wyróżnia się strefy podmiejskiej, będącej z krajobrazowego punktu widzenia obszarem wrażliwym, w którym występują szczególne uwarunkowania funkcjonalno-przestrzenne. Badania nad zmieniającą się strukturą przestrzenną miasta przedstawiono w odniesieniu do stref wyróżnionych przez Adamczewską-Wejchert i Wejcherta [1998]. Uwagę skupiono na strefach pośredniej i zewnętrznej małego miasta. Do badań wybrano dwa małe ośrodki miejskie: miasto Gołdap, leżące w województwie warmińsko-mazurskim, w powiecie gołdapskim, i miasto Sulechów, położone w województwie lubuskim, w powiecie zielonogórskim. Zbadano zmiany w sposobach użytkowania gruntów związane z presją urbanizacyjną i zmianami funkcji występujące na obszarze badanych ośrodków miejskich.
Small towns’ landscape is a part of cultural heritage of Polish countryside. Its structures represent a specific, historically determined landscape pattern. This paper presents conditions influencing the physiognomy of spatial structure of small towns and current changes in land use. The research focuses on urban-fringe area. The surveys relate to different zones identified in small towns’ spatial structure by Adamczewska-Wejchert & Wejchert [1998]: middle zone and outer zone. The research were conducted in two small towns: Gołdap, situated in Warmińsko-Mazurskie Voivodeship, and Sulechów, situated in Lubuskie Voivodeship.
Źródło:
Studia Ekonomiczne; 2016, 279; 188-196
2083-8611
Pojawia się w:
Studia Ekonomiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Education of Logisticians in Poland: Problems and Prospects in Students’ Opinion
Autorzy:
Pawłyszyn, Irena
Rizun, Nina
Ryzhkova, Halina
Powiązania:
https://bibliotekanauki.pl/articles/504078.pdf
Data publikacji:
2019
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
railway track
engineering facility
transition zone
reinforcing inserts.
Opis:
Logistics is one of the key sectors of the Polish economy. Its value reflects not only its own capacity, but also the role it plays in ensuring the proper functioning of the entire economy. The rapid development of the industry and the highest demands on logistics solutions bring to the fore the problem of preparing a new generation of specialists in logistics. That is why the question of compliance to learning expectations of both students and the labour logistics market is so important, as well as the problems of efficiency and adequacy of training provided to students with the knowledge and skills to achieve the desired job, and the opportunities of Polish Universities’ graduates to work abroad. The objective of the paper was to identify the expectations of students who study Logistics at the Faculty of Engineering Management, Poznan University of Technology.
Źródło:
Logistics and Transport; 2019, 44, 4; 95-104
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ways of Eliminating the Road Effect in Transition Zones from the Railway Track to Bridge Structures
Autorzy:
Zamiar, Zenon
Surowiecki, Andrzej
Saska, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/503870.pdf
Data publikacji:
2019
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
railway track
engineering facility
transition zone
reinforcing inserts
Opis:
Selected methods of constructing special inserts in the transition zones between the embankment of the railway track and the engineering object (bridge, viaduct, or culvert) were discussed. The purpose of mounting the designed inserts is to eliminate the so-called threshold effect, i.e. continuously creating a mild change in the stiffness of the ground under the track. In addition to the solutions presented in practice, attention was also paid to projects developed by the authors of this article. T
Źródło:
Logistics and Transport; 2019, 44, 4; 85-93
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Awareness of noise hazards and the value of soundscapes in Polish national parks
Autorzy:
Bernat, S.
Powiązania:
https://bibliotekanauki.pl/articles/177239.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
landscape perception
noise
soundscape
quiet zone
national parks
Opis:
The goal of the studies undertaken in Polish national parks was to determine noise threats, examine the resources, assess the quality of soundscapes and identify the possibilities of their protection. The questionnaire method used in the studies made it possible to identify the awareness of noise threats and the value of soundscapes according to the park service staff. In addition, the semantic differential and description methods were used to learn how students assessed the soundscape quality of Polish national parks. Finally, avenues of further research on soundscape in environmentally valuable areas were indicated. The research findings indicate that each national park in Poland is characterised by diverse and unique soundscapes and is subject to the pressure of road traffic and tourism resulting in noise hazards. The conservation of the acoustic values of parks is necessary and possible.
Źródło:
Archives of Acoustics; 2013, 38, 4; 479-487
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Acoustic Pressure Radiated by a Circular Membrane Into the Quarter-Space
Autorzy:
Rdzanek, W. P.
Szemela, K.
Pieczonka, D.
Powiązania:
https://bibliotekanauki.pl/articles/177368.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
acoustic pressure
Fraunhoffer's zone
Green function
circular membrane
Opis:
The Neumann boundary value problem for the Helmholtz equation within the quarter-space has been considered in this paper. The Green function has been used to find the acoustic pressure amplitude as the approximation valid within the Fraunhoffer’s zone for some time-harmonic steady state processes. The low fluid loading has been assumed and the acoustic attenuation has been neglected. It has also been assumed that the vibration velocity of the acoustic particles is small as compared with the sound velocity in the gaseous medium.
Źródło:
Archives of Acoustics; 2011, 36, 1; 121-139
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Increasing pursuer capturability by using hybrid dynamics
Autorzy:
Glizer, V. Y.
Turetsky, V.
Powiązania:
https://bibliotekanauki.pl/articles/331434.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
interception problem
hybrid interceptor's dynamics
robust capture zone
Opis:
A robust interception of a maneuverable target (evader) by an interceptor (pursuer) with hybrid dynamics is considered. The controls of the pursuer and the evader are bounded. The duration of the engagement is prescribed. The pursuer has two possible dynamic modes, which can be switched once during the engagement, while the dynamics of the evader are fixed. The case where for both dynamic modes there exists an unbounded capture zone was analyzed in our previous work. The conditions under which the pursuer can increase its capturability by utilizing the hybrid dynamics were established and the new robust capture zone was constructed. In the present paper, we extend this result to the cases where at least for one dynamic mode of the pursuer the capture zone is bounded. For these instances, conditions of increasing the pursuer’s hybrid capturability are derived. Respective capture zones are constructed. Illustrative examples and results of extensive simulation for a realistic non-linear engagement model in the presence of a random wind are given.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2015, 25, 1; 77-92
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Roślinność strefy ekotonowej dolnego biegu Iny
Vegetation of the ecotone zone the lower Ina river
Autorzy:
Kochanowska, R.
Gamrat, R.
Łysko, A.
Sotek, Z.
Stasińska, M.
Prajs, B.
Powiązania:
https://bibliotekanauki.pl/articles/338972.pdf
Data publikacji:
2004
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
dolina Iny
strefa ekotonowa
ecotone zone
Ina valley
Opis:
Zbiorowiska roślinne wzdłuż biegu Iny mają strefowy układ. Na różnorodność strefy ekotonowej wpływa zmienna hipsometria doliny różnicująca szybkość nurtu rzeki. Celem podjętych badań było rozpoznanie florystyczne strefy ekotonowej. W strefie ekotonowej rzeki, na odcinku 10 km, między Stawnem a Goleniowem, założono 30 stałych powierzchni badawczych, gdzie w latach 2000-2002 prowadzono badania florystyczno-fitosocjologiczne. Wydzielono siedem odmiennych pod względem przyrodniczym obszarów przyległych, wpływających na szerokość strefy ekotonowej oraz strukturę szaty roślinnej. Zróżnicowanie wilgotnościowe siedlisk wpływa na bogactwo gatunków roślinnych. Na stosunkowo niewielkim odcinku Iny stwierdzono 197 gatunków roślin naczyniowych, w tym 9 chronionych oraz 10 zagrożonych i rzadkich.
Riverine plant communities of the Ina river are displaced in the zonal arrangement. The diversity of the ecotone zone is affected by variable hypsometry of the valley which differentiates the speed of the river current. The aim of the studies was to recognize floristic composition of the ecotone zone. In the ecotone zone of the 10 km long river stretch between Stawno and Goleniów, 30 permanent sites were selected, where floristic and phytosociological investigations were conducted in the years 2000-2002. Seven sites of different width and vegetation structure were selected within the study area along the ecotone zone. Differences in humidity of the sites influenced the richness of plant species. On relatively short stretch of the Ina, 197 vascular plant species were found, including 9 protected species and 10 endangered and rare plant species.
Źródło:
Woda-Środowisko-Obszary Wiejskie; 2004, T. 4, z. 2a; 321-334
1642-8145
Pojawia się w:
Woda-Środowisko-Obszary Wiejskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of Lethal Zone Characteristics of Several Natural Fragmenting Warheads
Autorzy:
Zecevic, B.
Catovic, A.
Terzic, J.
Powiązania:
https://bibliotekanauki.pl/articles/358038.pdf
Data publikacji:
2008
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
HE warhead
lethal zone
Arena test
natural fragmentation
Opis:
Research of HE warheads lethal zone is very complex topic because of large number of controlled and independent, sometimes correlated, influencing factors. Capability for prediction of lethal zone is based on complexity of databases regarding natural fragmentation parameters, which should contain data about warhead body material characteristics, types of explosive charge, number, mass, initial velocity and spatial distribution of fragments, battlefield terrain, distribution of soldiers on battlefield, etc. Based on experimental research (fragmentation test in Arena facilities with two types of artillery projectiles and two types of rocket warheads), analytical and numerical methods used - projectiles lethal zones are predicted and analyzed. Influence of projectile design and explosive charges on warhead lethal zone is analyzed.
Źródło:
Central European Journal of Energetic Materials; 2008, 5, 2; 67-81
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of the day by day beach monitoring in shore transformation
Autorzy:
Wodzinowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/1187368.pdf
Data publikacji:
2004
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
orthogonal photograms
shore zone
Polish Baltic Sea coast
Opis:
The new method of a detailed morphodynamic registration of sandy beaches has been presented. The digital oriented photograms have been taken from a stabilised point at least once a day. Occasionally also more often, for example every hour during a storm cycle. The analyses of the photograms are performed in digital mode using special computer software. This digital beach monitoring of the Polish Baltic coast was initiated in summer 2002. The test fields in Polanka Redłowska within Gdynia and Chłapowo near Władysławowo were selected. The beach areas of the length of about 200 m along the shore were registered there. Selected examples of short-term changes of the beach relief were presented. A range of spatiotemporal transformations related to different periods (hours, days, months etc.) was demonstrated.
Źródło:
Polish Geological Institute Special Papers; 2004, 11; 77-82
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Polish Baltic coast as a tourist area in the light of tourism indicators
Autorzy:
Parzych, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/1391180.pdf
Data publikacji:
2020
Wydawca:
Wyższa Szkoła Bankowa w Poznaniu
Tematy:
tourist traffic
Polish seaside municipalities
seaside zone
Polska
Opis:
The Polish coast is located at a considerable distance from the main areas of leisure tourism in Europe. In recent years this area has seen a significant growth in tourist accommodation and tourist traffic. The aim of this study was to analyse the quantitative and spatial differentiation of tourist traffic in the Polish coast. The analysis is based on statistical data from the Local Data Bank (BDL) maintained by Statistics Poland (GUS) about all seaside municipalities for which there is data on tourist arrivals. The author focuses on the most commonly used indicators of tourism activity: Baretje-Defert’s index of the tourism development, Schneider’s index of tourism intensity, Charvat’s index of intensity of tourist traffic and Defert’s index of tourist traffic density (based on data for 2014, except the number of tourist beds for 2019 year). The author found significant differences in the volume of tourist traffic across Polish coastal municipalities and between the Polish coast as a whole and other coastal areas in other European countries.
Źródło:
Studia Periegetica; 2020, 32(4); 71-87
1897-9262
2658-1736
Pojawia się w:
Studia Periegetica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A reappraisal of K-Ar and new U-Pb age data for felsic rocks in the vicinity of the Kraków-Lubliniec Fault Zone (southern Poland)
Autorzy:
Jarmołowicz-Szulc, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/2060264.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
magmatic rocks
zircon
geochronology
Kraków-Lubliniec Fault Zone
Opis:
New U-Pb zircon SHRIMP determinations from magmatic silicic rocks adjacent to the NE part of the Upper Silesia Coal Basin (USB) are provided and compared with earlier data obtained by K-Ar dating. The zircon samples studied came from the same boreholes and depth intervals previously sampled for K-Ar datings. Recalculations of the earlier K-Ar values for biotites yielded isochron ages in the range of 297-309 Ma. The zircon U-Pb SHRIMP values gave more precise ages between 300.1 ±1.2 Ma and 292.6 ±1.3 Ma (1б) consistent with U-Pb and Re-Os determinations. In two cases, the recalculated results of K-Ar dates were nearly identical with those obtained from the SHRIMP isotopic analyses. In this context, the granitoids and porphyries of the USB area, once assigned to the Carboniferous-Permian based on the older K-Ar studies, actually are of the same age as other felsic igneous rocks from the vicinity of the Kraków-Lubliniec Fault Zone, with a higher dating precision, however. The new data underline the importance of Late Carboniferous-Early Permian felsic magmatism at the SW margin of the Trans-European Suture Zone in southern Poland. In the zircon populations dated, besides the dominant Late Paleozoic ages, there are some inherited zircon cores, likely remnant detrital grains from a sediment component in the source rocks, that reveal much older ages which range from ~2051 to 569 Ma.
Źródło:
Geological Quarterly; 2020, 64, 3; 754--765
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Czy to jeszcze wieś?
Is this still a village?
Autorzy:
Gonda-Soroczyńska, Eleonora
Powiązania:
https://bibliotekanauki.pl/articles/88152.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
wieś
miasto
strefa podmiejska
village
city
suburban zone
Opis:
Przeanalizowano współczesne formy osadnicze w strefach podmiejskich. Proces pojawienia się nowych form osadniczych dostrzegalny jest zwłaszcza w miejscowościach zlokalizowanych w bliskim sąsiedztwie miast wielkich (vide Wysoka koło Wrocławia, Bielany Wrocławskie, Biestrzyków, Suchy Dwór). Miejscowości te zatracają swój dotychczasowy wiejski charakter. Radykalnie zmienia się struktura demograficzna ich mieszkańców. Dominują w niej ludzie młodzi, wykształceni, majętni, żądni posiadania własnego domu z ogródkiem, z dala od zgiełku i hałasu wielkomiejskiego, poszukujący nowej jakości życia. Wśród tej nowej społeczności brak jest więzi międzyludzkich, brak tradycji. W miejscowościach tych występuje coraz liczniej intensywna zabudowa wielorodzinna i jednorodzinna, z dużą ilością budynków o charakterze miejskim. Stąd rodzi się pytanie w kontekście do tych obszarów – „Czy to jeszcze wieś?”
The study presents the problem connected with comprehending, defining, name, terminology of former stricte rural areas, defined as village, nowadays difficult to define precisely. That is the case of modern settlement forms - suburbs, suburban zones, inducing curiosity of many researchers. The process of appearing of these new settlement forms is exceptionally apparent in particular in places localized in the close neighbourhood of big towns (vide Wysoka near Wrocław, Bielany Wrocławskie, Biestrzyków, Suchy Dwór) - sub-Wrocław villages. The places are located just at the administrative city limits of Wrocław or in its close neighbourhood. They more and more lose their previous rural character. The demographic structure of their inhabitants changes radically. There dominate young people, educated, wealthy, wanting their own house with garden, far from big-city noise, looking for new quality of life. Among this new society lack interpersonal bonds, lack of tradition. In these places there occur more and more intense multi-family and single-family buildings with a lot of buildings with urban character. Hence comes the question in the context of those areas – „Is this still a village?”
Źródło:
Prace Komisji Krajobrazu Kulturowego; 2009, 12; 178-190
1896-1460
2391-5293
Pojawia się w:
Prace Komisji Krajobrazu Kulturowego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optical Properties of Plane and Convex Mirrors: Investigation of Mirror Use to Enhance Construction Flagger Safety
Autorzy:
Stevens Jr, E.
Cohen, M.
Spielholz, P.
Powiązania:
https://bibliotekanauki.pl/articles/90116.pdf
Data publikacji:
2009
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
flagger
work zone
safety
mirrors
vehicle
backing
intrusion
Opis:
Legislation and product development in the USA has prompted an interest in mirror-use by traffic flaggers to improve awareness of vehicles approaching from behind. Helmet- and flagpole-mounted configurations were studied using a graphical approach with field verification studies by comparing fields of view, object magnifications, and human factors considerations. Plane and convex mirrors with different radii of curvature were investigated. Results found image formation on helmet-mounted convex mirrors occurs too close to the mirror. A 0.038 m helmet-mounted plane mirror performed similarly to a 0.076 m diameter, 0.508 m radius of curvature convex mirror. Fields of view and image information between helmet-mounted plane mirrors and flagpole-mounted convex mirrors were compared. Issues of image perception, practical use, and attention were identified; they pose serious issues for use as a primary safety device. Additional investigation is needed to determine the requirements and applicability of mirror-use for flagging in work zones.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2009, 15, 1; 89-100
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zoning as an instrument of landscape protection of health spa resorts in Poland
Autorzy:
Bernat, S.
Meller, M.
Powiązania:
https://bibliotekanauki.pl/articles/101111.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
landscape
noise
health resort
protection zone
spatial planning
Opis:
The paper discusses the issue of the “A”, “B”, “C” zones of spa protection regulated by “The law on spa treatment, health resorts and its protected areas, and on health resort administrative districts” (2005) as part of the spa area or spa protection area, defined in a spa statute, established in order to protect healing medical properties and natural medical resources in the respect of values of environment protection and spa facilities. The aim of the research, the results of which arepresented in the paper, was to identify the problems related to the functioning of protection zones in spas in Polish. In addition, an attempt was made to assess the efficiency of zoning as an instrument of landscape protection, defined by the European Landscape Convention as a geographical-psychological reality perceived in a multi-sensory way. In the course of the research, selected planning and strategic documents were analysed, including spa statutes. On their basis, the cities in Poland with the largest and smallest area of the A zone of spa protection and health resorts in Poland according to the size of the area of different types of spa protection zones were compared. The outcomes of the research were juxtaposed with the conclusions drawn in the report of the Supreme Audit Office (2016). It was shown that the spa protection zones, due to their protection, the function that determines the preservation of the therapeutic qualities of the landscape should be treated as an indispensable tool for protecting the landscape of spa resorts.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2018, IV/1; 985-998
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interrogation zone determination in HF RFID systems with multiplexed antennas
Autorzy:
Jankowski-Mihułowicz, P.
Węglarski, M.
Powiązania:
https://bibliotekanauki.pl/articles/141107.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
anti-collision identification
interrogation zone
multiplexed antennas
RFID
Opis:
The operation of an anti-collision RFID system is characterized by the interrogation zone which should be estimated in any direction of 3D space for a group of electronic transponders. The interrogation zone should be as large as possible. However, the many problems in this area are due to the fact that energy can be transferred to transponders only on a limited distance. The greatest flexibility in developing RFID applications and shaping the interrogation zone can be achieved using the system with an antenna multiplexer. Therefore the problem of the interrogation zone determination in HF RFID systems with two orthogonal RWD antennas is presented in the paper. The perceived issues have been effectively dealt with and the solution has been proposed on the basis of the elaborated model. Conducted studies have been used to develop the software tool JankoRFIDmuxHF in the Mathcad environment. The research results are analysed in an example system configuration. The specialized measuring stand has been used for experimental verification of the identification efficiency. The convergence of the measurements and calculations confirms a practical usefulness of the presented concept of interrogation zone determination in anti-collision systems. It also shows the practical utility of the developed model and software tools.
Źródło:
Archives of Electrical Engineering; 2015, 64, 3; 459-470
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wind influence on the formation of nearshore currents in the southern Baltic: mumerical modelling results
Autorzy:
Sokolov, A.
Chubarenko, B.
Powiązania:
https://bibliotekanauki.pl/articles/241238.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
currents
waves
numerical modelling
coastal zone
Baltic Sea
Opis:
A two-dimensional numerical model was used for a simulation of vertical average longshore currents generated by both wind friction and wind-wave action in the nearshore zone. The modelling domain includes the southern part of the Baltic Proper (all boundaries were closed). Wind, uniform in space and varying in time, was the only forcing in the model. The correlation coefficient higher than 0.8 was obtained by model calibration versus the field measurements of currents conducted at the Lubiatowo field station (southern Baltic) during about 1.5 months in 2006. Comparative simulations of total currents including both wind-induced drift and wave components, and of total currents including only a wind-induced drift component, showed that the input of the drift component into currents in the nearshore zone is greater than commonly believed. Wind-induced drift strongly dominates outside the zone of wave transformation, and its input into the total resulting currents remains noticeable even in a zone between the shoreline and the depth of the first wave breaking. Thus, wind-induced drift constitutes up to 50% of the resulting longshore currents for longshore winds and no less than 20% of the longshore component of currents for winds at 45 degrees to the longshore direction.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2012, 59, 1-2; 37-48
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verification of Dead Zones Generated in Bioreactors as a Proactive Stage in Bioreactor Design
Autorzy:
Al-Mashhadani, Mahmood K. H.
Powiązania:
https://bibliotekanauki.pl/articles/24201743.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
bioreactor
dead zone
flow pattern
mass transfer
modeling
Opis:
The activity and growth of microorganisms for renewable energy production are still influenced by the dead zones created in bioreactors. These areas form a nutrient and thermal gradient, causing an abundance of food in certain areas compared to famines in other areas of same bioreactor. The current study is a step in identifying those dead zones, followed by another step in improving the flow of media inside the reactor. The results indicated that the inner parts of the bioreactor may be a crucial factor in the creation and spread of such dead zones. For example, the position of the disc-type diffuser contributes to the generation of those areas at the bottom of the reactor. It was inferred from the fluid movement in reactors using the annular-type diffuser proposed in the current study. The bubble size, gas mass flux, and radiuses of fillet, as the most important factors, were examined in both bioreactors. The results revealed a noticeable improvement in these parameters in this area of the reactor when the disc diffuser was replaced by the annular diffuser. For example, the average liquid velocity was recorded in the lower part of the modernized reactor at 0.0198 m/s, while the velocity was recorded in the conventional reactor at 0.00077 m/s under same bubbles diameter used in both reactors (0.125 mm). The inclusion of the effect of the presence of microorganisms in mathematical models was also addressed in the current study. The results showed that the amount of oxygen remaining at the bottom of the reactor after bio-consumption in the presence of the annular diffuser was higher than that in the conventional reactor. This clearly emphasizes the importance of the design of the internal parts of the bioreactor.
Źródło:
Journal of Ecological Engineering; 2023, 24, 6; 65--74
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influential Factors and Prediction of Kuroshio Extension Front on Acoustic Propagation-Tracked
Autorzy:
Xu, Weishuai
Zhang, Lei
Wang, Hua
Powiązania:
https://bibliotekanauki.pl/articles/31339753.pdf
Data publikacji:
2024
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Kuroshio Extension front
acoustic propagation
convergence zone prediction
Opis:
The Kuroshio Extension front (KEF) considerably influences the underwater acoustic environment; however, a knowledge gap persists regarding the acoustic predictions under the ocean front environment. This study utilized the high-resolution ocean reanalysis data (JCOPE2M, 1993–2022) to assess the impact of the KEF on the underwater acoustic environment. Oceanographic factors were extracted from the database using the Douglas-Peucker algorithm, and acoustic propagation characteristics were obtained using the Bellhop raytracing model. This study employed a backpropagation neural network to predict the acoustic propagation affected by the KEF. The depth of the acoustic channel axis and the vertical gradient of the transition layer of sound speed were identified as the fundamental factors influencing the first area of convergence, with correlations between the former and the distance of the first convergence zone ranging from 0.52 to 0.82, and that for the latter ranging from −0.42 to −0.7. The proposed method demonstrated efficacy in forecasting first convergence zone distances, predicting distances with less than 3 km error in >90% of cases and less than 1 km error in 68.61% of cases. Thus, this study provides a valuable predictive tool for studying underwater acoustic propagation in ocean front environments and informs further research.
Źródło:
Archives of Acoustics; 2024, 49, 1; 95-106
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geotourist assets of coastal zone between Wladyslawowo and Jastrzebia Gora
Walory geoturystyczne strefy brzegowej pomiędzy Władysławowem a Jastrzębią Górą
Autorzy:
Marek, A.
Olszak, I.J.
Powiązania:
https://bibliotekanauki.pl/articles/85169.pdf
Data publikacji:
2017
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
geotourism
coastal zone
Wladyslawowo town
Jastrzebia Gora village
Opis:
Polish Baltic coast, especially in summer season, is one of the most attractive, in terms of tourism, regions of the country. From a geotourist viewpoint, particularly attractive are the cliff sections. The attractiveness of a given coast fragment is also determined by tourist facilities provided there and anthropogenic objects which are of interest to tourists. The coast section between Władysławowo and Jastrzębia Góra is particularly attractive. This is thanks to its diverse geological structure visible in cliff outcrops, and varied cliff relief cut by deep gullies. The geological sediments to be observed there include brown coal outcrops. The attractiveness of the coast is enhanced by its geographical location. It is the northernmost fragment of Poland’s territory. An additional attraction is provided by anthropogenic objects, e.g. the lighthouse in Rozewie or various forms of technical shore defence against abrasion.
Klifowy odcinek wybrzeża Bałtyku pomiędzy Władysławowem a Jastrzębią Górą należy do niezwykle zróżnicowanych pod względem geoturystycznym. Wpływają na to jego urozmaicona budowa geologiczna widoczna w odsłonięciach klifowych, jak i urozmaicona rzeźba klifów porozcinanych głębokimi dolinami erozyjnymi. W odsłonięciach zobaczyć można, na przykład, wychodnie mioceńskiego węgla brunatnego. Atrakcyjność wybrzeża podnosi też jego położenie geograficzne. Jest to najdalej na północ wysunięty fragment terytorium Polski. Dodatkową atrakcję na tym terenie stanowią obiekty antropogeniczne, czego przykładem może być bazaltowa nawierzchnia szosy łączącej Władysławowo i Jastrzębią Górę, czy też różne formy technicznego zabezpieczenia brzegu przed abrazją.
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2017, 21
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geomicrobiology of Acid Mine Drainage in the weathering zone of pyrite-bearing schists in the Rudawy Janowickie Mountains (Poland)
Autorzy:
Borkowski, A.
Parafiniuk, J.
Wolicka, D.
Kowalczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/2060320.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Acid Mine Drainage
microbial communities
pyrite
weathering zone
Opis:
This paper presents the geomicrobiological analysis of acid water reservoirs and Acid Mine Drainage (AMD) developed in the weathering zone of pyrite-bearing schists near the closed-down pyrite mine in Wieściszowice (south-western Poland). The analysis was focused on two reservoirs characterized by different physical and chemical properties (pH, redox potential, content of sulphates and heavy metals). The study is the first thorough report on the geomicrobiological relationships taking place in the AMD setting in Wieściszowice and enables a description of the microbiological processes that significantly influence biogeochemical cycles of sulfur and iron in the analyzed water reservoirs. The reservoir water also harbors numerous big, organized microbial structures in the form of streamers. Samples of these structures were studied in detail using optical and electron microscopy, as well as microbiological cultivation and molecular methods. According to the obtained results, the slime streamers from the Wieściszowice mine are characterized by the co-occurrence of typical chemolithoautotrophic microorganisms oxidizing sulphur and iron together with sulphate reducing bacteria. The presence of these structures probably depends on the occurrence of iron (II) in the surrounding environment.
Źródło:
Geological Quarterly; 2013, 57, 4; 601--612
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Early Eocene age of a sandstone from the Buntmergel Formation (Gresten Klippen Zone, Lower Austria)
Autorzy:
Gasiński, M. A.
Hoeck, V.
Ślączka, A.
Ionescu, C.
Powiązania:
https://bibliotekanauki.pl/articles/2060483.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Gresten Klippen Zone
Eocene
planktonic foraminiferids
Lower Austria
Opis:
The Gresten Klippen Zone is an individual geological unit, mainly outcropping at the northern rim of the Northern Calcareous Alps. It is best exposed between the Enns Valley in the west and the Vienna Forest in the east. It contains a rock sequence ranging from Early Jurassic to Early Cretaceous, including sandstones, various limestones, breccias and radiolarites. The late Early Cretaceous–Paleogene is represented by the Buntmergel Formation. A sandstone block from the latter yields well-preserved planktonic foraminiferids which allow an assignment to the Early Eocene (E-7 Zone). The low density currents which deposited the parallel laminated sandstones originated in the lower shelf-middle slope.
Źródło:
Geological Quarterly; 2012, 56, 4; 845--852
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Behavior of the Central Europe exchange rates to the Euro and US dollar
Autorzy:
Waściński, Tadeusz
Przekota, Grzegorz
Sobczak, Lidia
Powiązania:
https://bibliotekanauki.pl/articles/453065.pdf
Data publikacji:
2011
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
exchange rate
Central European
cointegration analysis
euro zone
Opis:
Our objective has been to measure an impact of the two main global currencies - Euro and USD on shaping of exchange rates in countries of Central Europe. We have also endeavored to measure whether and to what extent a different approach to the Euro introduction as well as differentiated macroeconomic situation of these countries influenced the behavior of their exchange rates. The hitherto analyses indicate that the PLN rate of exchange was until 2004 strongly tied to the USD, but since 2004 links with the EUR exchange rate have become stronger. However the exchange rates of other countries in the region had been tied to the EUR earlier than the PLN exchange rate as they already had strong such links in the whole period of our analysis. Currency integration of the Central European countries is very strong although they are formally outside the euro zone and formation of their exchange rates should be perceived through trends of the EUR exchange rate versus other currencies, the USD.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2011, 12, 1; 165-176
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mending Wall? The War over History in South Korea
Autorzy:
Jeong, Sangjun
Powiązania:
https://bibliotekanauki.pl/articles/626308.pdf
Data publikacji:
2018
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
Korean Peninsula
Political Divisions
History
War
Demilitarized Zone
Opis:
Sangjun JeongSeoul National UniversitySouth Korea Mending Wall?The War over History in South Korea Abstract: Until Korea was divided into North and South in 1945, it had maintained its territorial unity on the Korean peninsula for well over 1,000 years. Then, two young US officers drew an arbitrary line along the 38th parallel. Developing into a heavily militarized zone only several years later, ironically called the De-Militarized Zone (DMZ), that division has lasted for decades and into the present. Recently, several symbolic acts were performed in the zone and innovative plans were suggested to make the land strip into a peace park as a symbol of ideological reconciliation and ecological paradise. Yet to many Koreans, the zone is still inscribed as a wall permanently bisecting the peninsula not only physically but also culturally.  Through an analysis of Robert Frost’s poem “Mending Wall,” this article contemplates the divisions within South Korean society over the North –South divide as a war over the telling of history. This history, however told, must be understood alongside the sentiment of han, a Korean word loosely defined as frustration, anger, and sadness, something that has been shaped by centuries of suffering from wars, invasions, colonization, injustice, and exploitation. Keywords: Korean Peninsula, Political Divisions, History, War, Demilitarized Zone
Źródło:
Review of International American Studies; 2018, 11, 1
1991-2773
Pojawia się w:
Review of International American Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Palynostratigraphy of the Culm deposits of the Moravian-Silesian zone (Poland) at Toszek Castle Hill
Autorzy:
Trzepierczyńska, A.
Powiązania:
https://bibliotekanauki.pl/articles/2058834.pdf
Data publikacji:
2003
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Moravian–Silesian zone
Culm
flysch
palynostratigraphy
miospores
Serpukhovian
Opis:
The Early Carboniferous age of the flysch succession in the Moravian-Silesian zone has been based principally on lithological correlations with the stratotype goniatite-bearing section. Its uppermost part-the Kyjovice Formation in the region of Toszek (Poland)-has been studied palynologically for the first time. Miospore assemblages of the upper part of the Western European nitidus-carnosus (NC) miospore Zone of the early Serpukhovian have been distinguished. This agrees well with a general stratigraphic range of the Kyjovice Formation within the Go-E1a goniatite zones.
Źródło:
Geological Quarterly; 2003, 47, 4; 373-380
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biostratigraphic re-evaluation of the lower to middle Miocene succession in the Eastern Carpathians : a case study related to the oil fields of the Diapir Fold Zone, Romania
Autorzy:
Filipescu, Sorin
Tămaş, Dan M.
Bercea, Răzvan-Ionuţ
Tămaş, Alexandra
Bălc, Ramona
Ţabără, Daniel
Bindiu-Haitonic, Raluca
Silye, Lóránd
Auer, Andreea
Krézsek, Csaba
Schléder, Zsolt
Săsăran, Emanoil
Powiązania:
https://bibliotekanauki.pl/articles/2060242.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
biostratigraphy
re-evaluation
Carpathian Bend Zone
Miocene
microfossils
Opis:
Romania has a long history of hydrocarbon production and tens of thousands of boreholes have penetrated Miocene strata. Many well cores or cuttings have been either lost or damaged, but lab reports containing valuable petrographic, paleontological and structural data are still available. Most of the knowledge of the subsurface relies on old descriptions and interpretations used by the oil industry. These data have not been recently updated, while research results from the last decade suggest potential changes in stratigraphy, especially for the lower to middle Miocene succession. In order to update, calibrate, and reduce uncertainties regarding the subsurface stratigraphic record, we have reviewed the lab reports and used equivalent field samples for an updated interpretation of the lower to middle Miocene succession. Core and cutting descriptions from boreholes covering an area of ~10,000 km2 in the Diapir Fold Zone of the Eastern Carpathians have been selected and biostratigraphically re-evaluated based on microfossils and calcareous nannofossils. In many cases, highly uncertain ages were previously interpreted as Oligocene and early Miocene. Our recent data suggest that most of the lower Miocene is either difficult to determine or has been reinterpreted as middle Miocene (e.g., Cornu and Doftana formations). This significant change in ages requires an updated model for the timing of regional structural evolution and may open new exploration opportunities in this highly mature hydrocarbon area. This study demonstrates the need for a new complete and reliable stratigraphic framework for the whole Miocene stratigraphic record of the Eastern Carpathians.
Źródło:
Geological Quarterly; 2020, 64, 3; 781--800
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative Analysis of Danger Zone Ranges Determined for LNG in the Coastal Area
Autorzy:
Kalbarczyk-Jedynak, A.
Stochła, D.
Patsch, M.
Powiązania:
https://bibliotekanauki.pl/articles/2064942.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
danger zone ranges
LNG
wind speed
Pasquill stability
Opis:
The analysis of danger zone ranges for LNG in the coastal area is an important task on account of, inter alia, the safety of human life. It is not an easy process, which is why we consider an danger situation for various weather conditions in the function of constant wind speeds and for various wind speeds in constant weather stability. Pasquill weather stability scale and Beaufort scale with regard to terrain roughness were adopted for the analysis. Both scenarios were considered in the example of Q-flex type vessels in the Świnoujście terminal for two methods of LNG release, i.e. related to a sudden explosion and slow release caused by a leak. The analysis was conducted and considered for the values in the top and bottom flammability limit. Modelling of the danger zone range was analysed with DNV PHAST software, version 7.11. In the process of comparison of the situation related to the risk of explosion in the function of various weather stabilities according to Pasquill scale and constant wind speeds, the values of 1.5 m/s and 5 m/s were adopted, corresponding to 1 and 3 wind force on the Beaufort scale. Those speeds correspond to the water conditions featuring tiny ripples and small waves, the crests of which start to break. The adopted weather stabilities analysed for wind speed equal to 1.5 m/s are A, B, D. A-type stability signifies the least stable atmospheric conditions, and D-type means neutral conditions. In turn, for the wind speed of 5 m/s B, D and F parameters in Pasquill scale were selected. Furthermore, ranges for variable wind speed values were analysed for the selected Pasquill stability.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 829--834
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Glaciomarginal deposition in the Otmuchów Depression, SW Poland, and its palaeogeographical implications
Sedymentacja glacimarginalna na obszarze obniżenia otmuchowskiego (SW Polska) i wynikające z niej implikacje paleogeograficzne
Autorzy:
Salamon, T.
Badura, J.
Przybylski, B.
Powiązania:
https://bibliotekanauki.pl/articles/191680.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
glaciomarginal zone
sedimentology
Pleistocene
Otmuchów Depression
SW Poland
Opis:
This paper focuses on the problem of depositional environments and the development of glaciomarginal zone in the Otmuchów Depression, SW Poland, during the Odranian (Drenthe) glaciation. The research was conducted at the Wójcice site, which is situated on the southern border of a hill train, the so-called Otmuchów- Nysa Hills, rising on the northern side of the Nysa Kłodzka River valley. The sediments under study were deposited in the distal zone of glaciomarginal fans prograding into a bay of a large lake formed in the dammed valley of the Nysa Kłodzka River. Sedimentation was characterised by frequent oscillations of water level in the lake, which caused fan dissection and lateral migration of depositional subenvironments. These phenomena are recorded by abundant erosion surfaces and vertical succession of alternating lithofacies associations of the deposits, which are typical of different parts of the distal fans. Sedimentological analysis has also enabled palaeogeographical reconstruction of the glaciomarginal zone. It is found that the ice-sheet lobe advanced into the Nysa Kłodzka River valley from the NE.
Rozwój strefy glacimarginalnej na obszarze przedgórskiego odcinka doliny Nysy Kłodzkiej, zajmującego Obniżenie Otmuchowskie (Fig. 1), od dziesięcioleci stanowi przedmiot dyskusji. We wszystkich dotychczasowych rozważaniach geomorfologiczno- geologicznych i paleogeograficznych najwięcej uwagi poświęcano wyraźnie zaznaczonym w rzeźbie Wzgórzom Otmuchowsko- Nyskim (Figs. 1, 2). W pracy analizie poddano osady deponowane na południowym obrzeżeniu wzgórz. Badania prowadzono w stanowisku Wójcice, kilka kilometrów na zachód od Nysy. Szczegółowa analiza sedymentologiczna osadów umożliwi liwiła rekonstrukcję środowisk sedymentacji w rejonie SE obrzeżenia Wzgórz Otmuchowsko-Nyskich oraz wnioskowanie na temat paleogeografii strefy glacimarginalnej na obszarze Obniżenia Otmuchowskiego. W odsłonięciu Wójcice wyróżniono dwa kompleksy osadów. Kompleks 1, o miąższości ok. 10–12 m, zbudowany jest głównie z piasków drobnoziarnistych. W jego obrębie wyróżniono kilka tabularnych zespołów litofacji o nieznacznie odmiennym wykształceniu: Sh, (Sl); Sh (Sl, Sp); Sh, (Sl, Sm); Sh, Src; Src, SFw, (Sr) (Figs. 3, 4). W środkowej części kompleksu obserwowano również bardziej gruboziarnisty zespół SGm, Sm (Fig. 3). Cechą charakterystyczną kompleksu 1 jest obecność powierzchni erozyjnych oraz naprzemianległe występowanie zespołów litofacji o nieznacznie różnym poziomie energetycznym. Kompleks 2 obejmuje osady o miąższości ok. 4 m i charakteryzuje się grubszym uziarnieniem (Figs. 3, 5). W dolnej części przeważają średnio i gruboziarniste piaski lub piaski żwirowe (litofacje Sh, St, SGt). Wyżej obserwowano drobnoziarniste żwiry i żwiry piaszczyste (GSp, Gm) (Fig. 5a). W kompleksie 2 obserwowano ponadto niewielkie soczewy diamiktonu z materiałem skandynawskim (Fig. 5b). Pomiary azymutów upadu warstwowań przekątnych w obu kompleksach wykazały paleoprzepływy w kierunku NNW–NNE (Fig. 3). Analiza składu petrograficznego żwirów wykazała duży udział kwarcu, a także skał sudeckich oraz bardzo małą zawartooeć materiału północnego (Tab. 1). Osady kompleksu dolnego deponowane były w dystalnej strefie stożka progradującego do zbiornika wodnego. Depozycja odbywała się głównie z niskoenergetycznych zalewów warstwowych. Specyficzną cechą sedymentacji były częste wahania poziomu wody w zbiorniku powodujące rozcinanie stożków i oboczne przemieszczanie się stref depozycyjnych. Zapisem tego są nietypowe dla stożków zdominowanych zalewami warstwowymi powierzchnie erozyjne oraz powtarzające się w sukcesji pionowej zespoły litofacji osadów właoeciwych dla różnych części dystalnych stref stożków. Górny kompleks osadów związany był ze znacznie wyżej energetycznymi przepływami. Osady te były deponowane bliżej czoła lądolodu, co wraz z mułkami podścielającymi całą serię osadów piaszczystych wskazuje na transgresywny charakter całej sukcesji. Strefa marginalna lądolodu na obszarze Obniżenia Otmuchowskiego kształtowała się w inny sposób niż przyjmowano do tej pory (Fig. 6). W północnej jej części lądolód stacjonował w rejonie Wzgórz Otmuchowsko-Nyskich, natomiast w dolinę Nysy Kłodzkiej wsunął się z kierunku NE od strony doliny Odry w postaci niewielkiego lobu okalającego wschodnią część Wzgórz Otmuchowsko-Nyskich od południa. U czoła lądolodu w podpartej dolinie powstało rozległe zastoisko. U północnej krawędzi lobu osady były deponowane w postaci glacimarginalnych stożków progradujących do wąskiej zatoki zastoiska, która przypuszczalnie przez pewien okres była odizolowana od głównego zbiornika.
Źródło:
Annales Societatis Geologorum Poloniae; 2007, 77, No 2; 207-216
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
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