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Wyświetlanie 1-13 z 13
Tytuł:
Hydraulic Research for Lateral Plant Obstruction in an Open Channel
Autorzy:
Tymiński, Tomasz
Wolski, Krzysztof
Gruszczyński, Maciej
Xia, Jianxin
Ren, Huatang
Yao, Nijun
Powiązania:
https://bibliotekanauki.pl/articles/124647.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
fascine overfall
coefficient of discharge
local resistance
damming up
Opis:
The hydraulic model testing results of flow of a water stream through a lateral plant obstruction are presented in the paper. The plant element was formed by natural deciduous and coniferous tree branches filling the space between tree trunks set in chequered pattern. The experiments conducted in a horizontal, rectangular hydraulic channel included the measurements of flow intensity, difference in water surface level before and after the obstruction and filling of the channel on the upstream and downstream sides. A preliminary analysis of results was performed determining the coefficient of local losses of lateral plant obstruction. The coefficient of water discharge for the fascine overfall case assumed for the plant obstruction was determined as well.
Źródło:
Journal of Ecological Engineering; 2019, 20, 3; 214-218
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Powstawanie kraterów impaktowych i ich rodzaje
Formation of impact craters and their types
Autorzy:
Brachaniec, Tomasz
Tymiński, Zbigniew
Broszkiewicz, Adam
Powiązania:
https://bibliotekanauki.pl/articles/1033001.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
complex crater
impact
meteorites
meteoritica
multi-ringed crater
simple crater
Opis:
Craters form after meteoroid or asteroid impact son celestial bodies surface are created during three different periods: contact/compression, excavation and modification stage. Depending on its size the craters can be divided into three main types: simple, complex and multi-ring craters. The enormous energy released during the impact forms evident records in basis as shatter cones or breccias and affect the surrounding rock (visible only in micro scale) by shock metamorphism, which has no equivalent in the Earth’s geological processes.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2014, 5; 30-46
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The wine market in Poland and the main determinants of its development – selected aspects
Autorzy:
Maciejewska, Daria
Olewnicki, Dawid
Tyminski, Marcin
Krupa, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/27313447.pdf
Data publikacji:
2023
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
wine market
vineyards
climate changes
grapes
rynek wina
winnice
zmiany klimatyczne
winogrona
Opis:
Purpose: The aim of this study was to assess the changes that occurred in grape production and the wine market in Poland in the years 2009-2021. In addition, an attempt was made to assess the impact of thermal conditions on the development of grape cultivation in Poland. Design/methodology/approach: Changes in the number of vineyards, grape cultivation areas, grape harvests and the production and sale of wine in Poland were analysed in detail. The analysis was conducted based on data from the National Support Centre for Agriculture (KOWR) and the Institute of Meteorology and Water Management (IMiGW). Findings: The research indicated that grape cultivation and wine production developed dynamically throughout the period in question. It is worth noting that most of the observed changes took place in the form of an exponential trend, which also points out the level of interest shown among producers and consumers in this industry and its potential. The study also showed that the distribution of vineyards registered at KOWR relative to the thermal conditions in a given region is relatively proportional across voivodeships (provinces). The voivodeships in which, based on the average sum of active temperatures from 2009-2021, relatively conducive conditions for the development of grape cultivation existed were also indicated. Research limitations/implications: The research period covered only 11 years, this type of research requires further analysis to determine in the long-term further possibilities for the development of wine production in Poland.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2023, 168; 295--305
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rola małych jednostek bojowych w zapewnieniu bezpieczeństwa morskiego państwa
Autorzy:
Neubauer, Tomasz.
Współwytwórcy:
Tymiński, Jan. Recenzja
Muzeum Marynarki Wojennej (Gdynia). pbl
Data publikacji:
2016
Wydawca:
Gdynia : Muzeum Marynarki Wojennej
Tematy:
Kutry torpedowe Polska 1944-1989 r.
Kutry rakietowe Polska 1944-1989 r.
Marynarka wojenna
Opis:
Bibliogr. s. 259-261. Indeks.
Kutry torpedowe i rakietowe w Polskiej Marynarce Wojennej.
Dostawca treści:
Bibliografia CBW
Książka
Tytuł:
Pomiary izotopów gamma promieniotwórczych w trynitytach
Measurements of radioactive gamma emitters in trinitities
Autorzy:
Tymiński, Zbigniew
Burakowska, Agnieszka
Tymińska, Katarzyna
Kołakowska, Ewa
Saganowski, Paweł
Ziemek, Tomasz
Dziel, Tomasz
Kotowiecki, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1033116.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
gamma emitters
gamma spectrometry
radioactive contamination
trinitities
Opis:
Trynitite is a material in form of a glass created as a result of a nuclear explosion close to ground. The mechanism of its formation is similar to the formation of impact glasses and tektites, although the material usually contains trapped bubble voids, much more water and it is radioactive. High resolution non-destructive gamma spectrometry technique was used to measure rdionuclides in the chips of trinitities. The signals were detected for 137Cs, 152Eu, 226Ra, 241Am and 133Ba. The most extreme concentration was found for cesium 137Cs which the specific activity reached the level of 2317 mBq/g. Much lower values were obtained for 241Am – 722 mBq/g, 152Eu – 211 mBq/g, 226Ra – 451 mBq/g and 133Ba – 94 mBq/g.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2018, 9; 150-157
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sprawozdanie z poszukiwań meteorytów w Oslo
Search report of meteorites in Oslo
Autorzy:
Tymiński, Zbigniew
Stolarz, Marcin
Kubalczak, Tomasz
Burski, Maciej
Zaręba, Paweł
Holst, Martin
Bilet, Morten
Powiązania:
https://bibliotekanauki.pl/articles/1032969.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
Oslo meteorite
chondrite
hammer
hunting for meteorites
meteorite fall
meteorite strewnfield
meteorites
Opis:
A piece of a meteorite that had crashed through the roof of a cottage house was find in the central Oslo quarter Rodelřkka at the beginning of March 2012. Some days later the second discovery in the melting snow of Ekebergsletta hilltop plateau triggered the hunting for meteorites in almost all sides of Oslo. The pieces of third meteorite broken by cars and spread out by snowplow was discovered on the asphalt road side by Maciek Burski, the member of Polish Meteoritical Society. Later on the missing fragments of the Maciek’s most east find was collected by Meteoritical Section members of Comet and Meteor Workshop (PKiM) with the help of local meteoritical authorities. The total mass of this unobserved fall is 6.22 kg in five pieces spread out in the eight km-long strewnfield with 200 g and 4.65 kg meteorites on the opposite ends. The Meteorite is not classified yet but unofficial information is “breccia H3-4”.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2013, 4; 108-114
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pomiary 60Co w obiektach z żelazną matrycą
60Co measurement in steel cast
Autorzy:
Tymiński, Zbigniew
Dziel, Tomasz
Saganowski, Paweł
Kołakowska, Ewa
Listkowska, Anna
Tymińska, Katarzyna
Żołądek, Przemysław
Olech, Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/1033067.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
Co-60
cast steel
contamination
cosmogenic nuclides
gamma spectrometry
iron meteorites
Opis:
Radioactive cobalt isotope 60Co is produced in neutron activation process of stable isotope 59Co by neutron capture reaction 59Co(n,g)60Co, in solar wind charge exchange 60Ni(n,p)60Co or in spallation process 62Ni(n,p2n)60Co. These processes are responsible for isotope 60Co production either in nuclear reactor on Earth or beyond – in stars and in meteorites (induced by cosmic rays). In this work the results of 60Co measurements in metal sources by gamma spectrometry laboratory are presented. A metal reference radioactive standards made up of steel cast with discs shaped geometries and different diameters have been tested in gamma-ray spectrometry measurement system. The reference activity concentrations of 60Co were in the range of (0.291±0.010) Bq·g–1 to (1.544±0.030) Bq·g–1. The mean minimal detectable activities (MDA) obtained by series of the 6 to 18 hours lasting measurements of described above standards with HPGe detectors carried out in NCBJ OR POLATOM were in the range of 6.1 mBq·g–1 to 8.5 mBq·g–1. The results correspond to the values of 60Co activity concentration measured in the iron meteorites with young terrestrial ages.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2016, 7; 144-150
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
15 lat obserwacji – wybrane spadki meteorytów rejestrowane w PFN w latach 2004–2019
15 years of observation – selected meteorite falls registered in the PFN in 2004–2019
Autorzy:
Tymiński, Zbigniew
Żołądek, Przemysław
Wiśniewski, Mariusz
Stolarz, Marcin
Polakowski, Krzysztof
Myszkiewicz, Maciej
Zaręba, Paweł
Gawroński, Maciej P.
Suchodolski, Tomasz
Olech, Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/1033136.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
PKiM
Polish Fireball Network
bolide
exploration
meteorite falls
meteoroid
Opis:
The Polish Fireball Network (PFN) associated in Comets and Meteors Workshop monitors the sky over Poland regularly for 15 years and registers the bright fireballs over the whole country (Olech 2006; Wiśniewski 2017). Every year we observe a few meteorite falls but due to weather conditions some data are not sufficient for proper strewnfield calculations. In the collaboration with the European Fireball Network the whole territory of Poland is monitored almost regardless of the weather. The publication describes the bolide phenomena characterized by distinctive meteorite falls, so the strewnfield indicated here should become the target of further exploration expeditions.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2019, 10; 160-167
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Raport z poszukiwań meteorytów w ramach PFN w sezonie 2016/2017
Report on meteorite field search within PFN in 2016/2017 season
Autorzy:
Tymiński, Zbigniew
Żołądek, Przemysław
Wiśniewski, Mariusz
Stolarz, Marcin
Jaśkiewicz, Artur
Myszkiewicz, Maciej
Gawroński, Marcin P.
Suchodolski, Tomasz
Polakowski, Krzysztof
Zaręba, Paweł
Olech, Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/1033117.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
Polish Fireball Network
bolide
meteorite falls
meteorite field search
meteoroid
Opis:
The Meteorite Section was created in 2010 on demand of Polish Fireball Network (PFN) for the meteorite searching and investigation purposes. The main task of the Section is to find the meteorites dropped from bolides registered by the Polish Fireball Network. Each year, the PFN registers several meteorite falls within our country and meteorite strewnfield inspections must be carried out at least for the masses of above 300 g estimated with the PyFN software. Only last year the PFN organized several search campaigns. Two of them are presented in the publication.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2018, 9; 158-163
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Raport PFN z poszukiwań meteorytów w latach 2018–2020
PFN report on field meteorite search in period 2018–2020
Autorzy:
Tymiński, Zbigniew
Żoładek, Przemysław
Wiśniewski, Mariusz
Stolarz, Marcin
Polakowski, Krzysztof
Jaśkiewicz, Artur
Janasz, Sylwia
Gawroński, Marcin P.
Krzyżanowski, Tomasz
Kwinta, Maciej
Olech, Arkadiusz
Piatlicki, Jauhien
Suchodolski, Tomasz
Szlagor, Mariusz
Węgrzyk, Walburga
Zaręba, Paweł
Zelevich, Jurij
Powiązania:
https://bibliotekanauki.pl/articles/1830329.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
Polish Fireball Network
bolide
meteorite falls
meteorite field search
meteoroid
Opis:
Since 2010, the Meteorite Section of the Comet and Meteor Workshop (PKiM) has been systematically organizing exploratory expeditions to selected meteorite strewn fields, calculated from bolides registered with the Polish Fireball Network (PFN). Some of the expeditions organized in the period of 2018–2020, after the phenomena PF140118, PF070119, EN050120 and PF310720 are reported. All these phenomena have a common feature, they reach beyond the borders of Poland – either the analysis was developed in cooperation with the European Fireball Network (EN) or the meteorite fall took place abroad. It is clear that meteor phenomena have no boundaries and for positive research results in near-Earth space science a European cooperation is highly recommended. Many meteorites fallen from the bolides registered in the PFN are still in the strewn field waiting to be discovered. The article presents a study of the most important phenomena happened in two last years, and it is also a hint where to look for meteorites in Europe.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2021, 12; 98-107
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Historia oraz stan obecny Polish Fireball Network
History and operation of the Polish Fireball Network
Autorzy:
Wiśniewski, Mariusz
Żołądek, Przemysław
Olech, Arkadiusz
Tymiński, Zbigniew
Maciejewski, Maciej
Raj, Arkadiusz
Fietkiewicz, Karol
Gozdalski, Mariusz
Gawroński, Marcin P.
Suchodolski, Tomasz
Myszkiewicz, Maciej
Stolarz, Marcin
Polakowski, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/1033122.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
meteor
meteor showers
meteorite
meteoroid streams
orbits
Opis:
The Polish Fireball Network (PFN) is a project to monitor regularly the sky over Poland in order to detect bright fireballs. In 2016 the 72 PFN cameras recorded 100 389 meteor events. Using these data and the UFOOrbit software 19 087 trajectories and orbits were calculated. In the following years we are planning intensive modernization of the PFN network including installation of dozens of new digital cameras.
Polish Fireball Network (PFN) to projekt polegający na regularnym monitorowaniu nieba nad Polską w celu zaobserwowania jasnych meteorów i bolidów. W 2016 roku 72 kamery PFN zarejestrowały 100 389 meteorów. Za pomocą tych danych i oprogramowania UFOOrbit obliczono 19 087 trajektorie i orbity. W kolejnych latach planujemy intensywną modernizację sieci PFN, w tym instalację kilkudziesięciu nowych kamer cyfrowych.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2018, 9; 177-186
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Raport z działalności PKiM oraz PFN w latach 2021–2022
Report on the activities of the PKiM and PFN in period 2021–2022
Autorzy:
Tymiński, Zbigniew
Żołądek, Przemysław
Jaśkiewicz, Artur
Wiśniewski, Mariusz
Stolarz, Marcin
Polakowski, Krzysztof
Kwinta, Maciej
Krzyżanowski, Tomasz
Laskowski, Janusz
Łojek, Tomasz
Michniewicz, Olga
Szlagor, Mariusz
Węgrzyk, Walburga
Zaręba, Paweł
Olech, Arkadiusz
Gawroński, Marcin P.
Mazur, Mirosław
Żejmo, Michał
Ogłoza, Waldemar
Froń, Adam
Gzik, Sylwia
Powiązania:
https://bibliotekanauki.pl/articles/2195016.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
meteoroid
bolide
meteorite falls
Polish Fireball Network
Opis:
The Polish Fireball Network (PFN), has been undergoing continuous development. Since then, several large grants have been obtained, which were at least partly used for modernization purposes. In recent years, two more grants have been obtained, which allowed for the expansion and modification of the existing PFN infrastructure. In 2021, the PFN76 Kozienice was modernized, but also the PFN14 Zielona Góra station was reactivated and the new PFN77 Suhora station was launched in 2022. Thanks to these improvements, the tracking of meteoroids entering the Earth Atmosphere above Poland became more accurate, which facilitates the search for meteorites and increases the chances of finding new fresh meteorites in Poland. On the night of May 10, 2021, PFN stations registered an exceptionally slow bolide. The phenomenon named PF100521 Wykrot appeared over central Poland in the Mazowieckie Voivodeship at 21:32 UT and calculations showed that some meteorites may have fallen. This phenomenon was used to conduct a series of analyzes to show how observational uncertainties affect the final results. Two variants of the results are presented in this work.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2023, 14; 183-191
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Raport PKiM / PFN z działalności w latach 2023–2024
The PKiM / PFN report on activities in 2023–2024
Autorzy:
Tymiński, Zbigniew
Jaśkiewicz, Artur
Zaręba, Paweł
Mazur, Mirosław
Stolarz, Marcin
Żołądek, Przemysław
Krzyżanowski, Tomasz
Polakowski, Krzysztof
Kwinta, Maciej
Szlagor, Mariusz
Węgrzyk, Walburga
Wiśniewski, Mariusz
Olech, Arkadiusz
Gawroński, Marcin P.
Żejmo, Michał
Ogłoza, Waldemar
Froń, Adam
Tymińska, Katarzyna
Gzik, Sylwia
Aitov, Alexander
Harachka, Yury
Powiązania:
https://bibliotekanauki.pl/articles/30146498.pdf
Data publikacji:
2024-04
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
meteorite
Łowicz
pseudometeorite Wyszków
cosmogenic radionuclides
Opis:
Cosmogenic radionuclides in meteoroids are produced in space in the process of activation. These nuclides have various lifetimes in range from a few days to several hundred thousand years and can therefore be helpful in solving several problems related to the study of meteoroids and their remains, both in space and on the Earth. The simplest application of cosmogenic radionuclide decay in meteorites is to determine the terrestrial age of meteorites, especially those whose fall has not been observed. In this article, we present an additional application of cosmogenic radionuclide measurements, namely for the verification of origin of rocks that show equivocal features and may potentially represent meteorites.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2024, 15; 129-141
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-13 z 13

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