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Tytuł:
Aeracja pulweryzacyjna w warunkach Jeziora Barlineckiego
Conditions pulwerising aeration in Lake Barlineckie
Autorzy:
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/338107.pdf
Data publikacji:
2004
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
aeracja pulweryzacyjna
energia wiatru
jeziora
hypolimnion
pulverising aeration process
wind energy
lakes
Opis:
Głównym celem pracy było określenie możliwości wykorzystania aeratora pulweryzacyjnego z napędem wietrznym do natleniania wody hypolimnionu jeziora typowego dla strefy klimatycznej Polski. Badania prowadzono w latach 2000-2001 na głęboczku Jeziora Barlineckiego nową metodą rekultywacji wody, tzw. technologią aeracji pulweryzacyjnej. Dokonano oceny stanu i zmian natlenienia wody aerowanego pulweryzacyjnie głęboczka w okresie cyrkulacji jesiennej i stagnacji letniej. Ponadto, w sezonie letnim, na podstawie zmian natlenienia wody w wężach tłoczących aeratora pulweryzacyjnego, przy prędkości wiatru 3-9 m·s-¹, oceniono skuteczność zastosowanej technologii.
Testing a possibility of the use of wind driven pulverising aerator to aerate hypolimnetic waters of a lake typical for Polish climatic zone was the main aim of this work. The study was carried out in the years 2000-2001 in the deepest part of Lake Barlineckie with a new technology of near-bottom waters pulverising aeration. Saturation of water with oxygen and changes of oxygen in hypolimnetic waters were evaluated during autumn circulation and summer stagnation periods. Moreover, based on oxygen changes in pumping hoses of the pulverising aerator, the efficiency of applied technology was estimated at wind velocities of 3-9 m·s-¹.
Źródło:
Woda-Środowisko-Obszary Wiejskie; 2004, T. 4, z. 2b; 291-301
1642-8145
Pojawia się w:
Woda-Środowisko-Obszary Wiejskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wykorzystanie energii wody do napowietrzania wod
Autorzy:
Konieczny, R
Powiązania:
https://bibliotekanauki.pl/articles/807200.pdf
Data publikacji:
2005
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
zbiorniki wodne
napowietrzanie wody
aeratory
aeracja pulweryzacyjna
woda
czystosc wod
energia wodna
rekultywacja wod
Opis:
Wzbogacenie wody w mineralne związki pokarmowe ogranicza jej wykorzystanie w przemyśle, rekreacji i dla zaopatrzenia ludności. Powszechnie stosowane mechaniczne systemy w poprawie stanu czystości wód mają różny skutek. Poszukiwanie nowych, skuteczniejszych rozwiązań od stosowanych technologii w napowietrzaniu naddennych stref jezior, stawów hodowlanych czy oczek wodnych jest uzasadnione i wskazane. W pracy przedstawiono opracowany w Zachodniopomorskim Ośrodku Badawczym IMUZ w Szczecinie w styczniu 2005 r. nowy, stacjonarny system aeracji pulweryzacyjnej wód strefy naddennej, oparty w działaniu na wykorzystaniu energii wody, jako źródła napędu silnika aeratora i jego elementów roboczych. Prace badawcze nad nową technologią rekultywacji wód są w trakcie realizacji.
Enrichment of water in the nutrients limits it's utilization in industry, recreation and for supply to human population. Broadly applied mechanical systems to improving water purity give different results. Searching for new, more efficient solutions than technology applied in aeration of lake overbed zones, fish cultures or ponds is well-founded and indicated. Paper presents a new, stationary pulverizing aeration system for overbed zone water, developed by Institut for Land Reclamation and Grassland Farming, Falenty Zachodniopomorski Research Division in Szczecin in January 2005. The system is based on the use of water energy as a source of driving force for aerator turbine and working devices. Research works on the new technology of waters' reclamation are continued.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 2005, 506; 239-244
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermodynamic properties of dilute Co-Fe solid solutions studied by 57Fe Mössbauer spectroscopy
Autorzy:
Konieczny, R.
Idczak, R.
Powiązania:
https://bibliotekanauki.pl/articles/146524.pdf
Data publikacji:
2017
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
Mössbauer spectroscopy
binding energy
short-range order
enthalpy of solution
enthalpy of mixing
binary alloys
Opis:
The Co1–xFex alloys where x ranges from 0.01 to 0.06 were measured at room temperature using transmission Mössbauer spectroscopy (TMS). The analysis of the obtained data allowed the determination of the short-range order (SRO), the binding energy Eb between two iron atoms in the studied materials using the extended Hrynkiewicz-Królas idea and the enthalpy of solution HCo-Fe of Fe in Co. The results showed that the Fe atoms dissolved in a Co matrix interact repulsively and the estimated value of HCo-Fe = –0.166(33) eV/atom. Finally, values of the enthalpy of solution were used to predict the enthalpy of mixing for the Co-Fe system. These findings were compared with corresponding data given in the literature, which were derived from calorimetric experiments and from the cellular atomic model of alloys described by Miedema.
Źródło:
Nukleonika; 2017, 62, 2; 109-115
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technika filmowa w badaniach aeracji pulweryzacyjnej
Digital technique in pulverizing aeration researches
Autorzy:
Konieczny, R.
Podsiadłowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/290264.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Inżynierii Rolniczej
Tematy:
technika cyfrowa
aeracja pulweryzacyjna
jezioro
digital technique
pulverizing aeration
lake
Opis:
W pracy przedstawiono sposób wyznaczenia stopnia pulweryzacyji wody z wykorzystaniem techniki cyfrowej dla nowej metody rekultywacji jezior, tzw. technologia aeracji pulweryzacyjnej. Ocenę skuteczności stopnia pulweryzacyji w warunkach eksperymentu dokonano dla standardowej pozycji pracy aeratora pulweryzacyjnego i pomiaru zawartości tlenu rozpuszczonego w wodze przepływającej przez węże tłoczące. Badania prowadzono na Jeziorze Barlineckim w latach 2000-2001. Wynikiem eksperymentu było między innymi opracowanie modelu prognozowania parametrów pracy systemu aeratora dla dowolnego jeziora strefy klimatycznej Polski.
In the paper the procedure of assessment for water pulverizing degree with use of digital technique for a new method of lakes reclamation so-called pulverizing aeration technology has been described. The assessment of pulverizing degree in the research circumstances has been done for standardized working position of pulverizing aerator and for measurement of dissolved oxygen in water flowing trough pumping hoses. The research was carried out on Barlineckie Lake in the years of 2000-2001. One from the result was e.g. description of prognosing model for working parameters of the aerator system for any lake of Poland's climatic zone.
Źródło:
Inżynieria Rolnicza; 2005, R. 9, nr 10, 10; 189-197
1429-7264
Pojawia się w:
Inżynieria Rolnicza
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of chemical and physico-chemical indicators of water and bottom macrofauna the Resko Lake on the basis of the European Union Water Framework Directive
Autorzy:
Daniszewski, P.
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/411806.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
water
lake
chemical and physico-chemical indicators
macrozoobenthos
European Union Water Framework Directive
Opis:
We carried out a detailed study of the kinetics of oxidation of N'-ferrocenylmethyl-N'-phenylbenzohydrazide (FcX) to ferrocenium ion (FcX+) in aqueous and organic mediums. This study using cyclic (CV) and rotating disk electrode (RDE) voltammetry showed that the FcX/FcX+ redox couple is reversible. The N'-ferrocenylmethyl-N'-phenylbenzohydrazide and ferrocenium ion diffusion coefficients (D) were calculated from these results. In addition, the electron transfer rate constant and the exchange current density for the oxidation of ferrocene were determined. A comparison of the kinetic data obtained from the two electrochemical techniques appears to show that the data from the RDE experiments are more reliable because they are collected under strict mass transport control. Have studied lake close to neutral pH - 7.67 to 7.73. All lakes in accordance with the classification of the European Union Water Framework Directive have been included in the first class. The concentration in the surface layer of Ptot. Lake is little differentiated, is at level II quality class according to the classification of the European Union Water Framework Directive. Tested water lakes were changing the concentration of the PO43-diss - these concentrations correspond to water quality from III. The increase of the concentrations of phosphorus in the Lake may indicate a decrease in the amount of oxygen in the waters of the shallow and changes their status to release phosphorus compounds accumulated redox in sediment bottom. In the case of nitrogen-compounds nitrates and nitrites values for these indicators were at level I and II class in all the surveyed lakes in accordance with the classification of the European Union Water Framework Directive. Indicator, which indicates the high productivity of Lake is the biochemical oxygen demand (BOD5). The level of this indicator values on the studied Lake was on level III class. In the remaining Lake oxygen concentration was similar (continued in I class). Fauna of the Resko Lake bottom during summer stagnation was poor in terms of quality, which proves its considerable biological degradation. In terms of the concentration in the test macrozoobenthos Lake dominated, and Oligochaeta, Diptera larvae.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 5; 86-96
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heavy Metal Content in Water of Resko Lake (North-West Poland)
Autorzy:
Daniszewski, P.
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/412339.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Toxic Heavy Metals
lake water
Lake of Resko (North-West Poland)
Opis:
The present research work deals with the quantification of toxic heavy metals in the water samples collected from Lake of Resko (North-West Poland). While the annual average concentration of Cadmium was calculated as 0.34 ppm in 2008 of the year and 0.28 ppm in 2009 of the year. The values obtained were found to be below the permissible limit of 2.0 ppm set for inland surface water. While the annual average concentration of Chromium was calculated as 1,75 ppm in 2008 of the year and 1.97 ppm in 2009 of the year. Which was very much above the permissible limit of 0.1 ppm set for inland surface water. The observed annual average concentration of Copper in the water was 0.05 ppm in 2008 of the year and 0.06 ppm in 2009 of the year, which was below the permissible limit of 3.0 ppm set for inland surface water. While the annual average concentration of Mercury was calculated as 0.03 ppm in 2008 of the year and 0.04 ppm in 2009 of the year, which was very much above the maximum limit of 0.01 ppm set for inland surface water. The annual average concentration of Nickel in the water samples was observed to be 2.07 ppm in 2008 of the year and 2.09 ppm in 2009 of the year, which is close to the limit of 3.0 ppm set for inland surface water. The annual average concentration of Pb in the water samples was observed to be 0.07 ppm in 2008 of the year and 0.05 ppm in 2009 of the year, which is above the permissible limit of 0.1 ppm set for inland surface water. The results of the present investigation indicate that the annual average concentration of Zn in water samples was 3.02 ppm in 2008 of the year and 2.74 ppm in 2009 of the year, which is above the permissible limit of 5.0 ppm set for inland surface water.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 8, 3; 279-287
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heavy Metal Content in Water of Starzyc Lake (North-West Poland)
Autorzy:
Daniszewski, P.
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/412373.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Toxic Heavy Metals
lake water
hydride generation
Lake of Starzyc (North-West Poland)
Opis:
The present research work deals with the quantification of toxic heavy metals in the water samples collected from Lake of Starzyc (North-West Poland). While the annual average concentration of Cd was calculated as 0.30 ppm in 2008 of the year and 0.21 ppm in 2009 of the year. The values obtained were found to be below the permissible limit of 2.0 ppm set for inland surface water. While the annual average concentration of Cr was calculated as 1,73 ppm in 2008 of the year and 1.67 ppm in 2009 of the year. Which was very much above the permissible limit of 0.1 ppm set for inland surface water. The observed annual average concentration of Cu in the water was 0.03 ppm in 2008 of the year and 0.06 ppm in 2009 of the year, which was below the permissible limit of 3.0 ppm set for inland surface water. While the annual average concentration of Hg was calculated as 0.02 ppm in 2008 of the year and 0.03 ppm in 2009 of the year, which was very much above the maximum limit of 0.01 ppm set for inland surface water. The annual average concentration of Ni in the water samples was observed to be 1.80 ppm in 2008 of the year and 2.07 ppm in 2009 of the year, which is close to the limit of 3.0 ppm set for inland surface water. The annual average concentration of Pb in the water samples was observed to be 0.08 ppm in 2008 of the year and 0.07 ppm in 2009 of the year, which is above the permissible limit of 0.1 ppm set for inland surface water. The results of the present investigation indicate that the annual average concentration of Zn in water samples was 3.52 ppm in 2008 of the year and 3.18 ppm in 2009 of the year, which is above the permissible limit of 5.0 ppm set for inland surface water.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 8, 3; 269-278
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using macrozoobenthos to assess the ecological condition of the Starzyc Lake (North-West Poland)
Autorzy:
Konieczny, R.
Daniszewski, P.
Powiązania:
https://bibliotekanauki.pl/articles/125172.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
water
lake
macrozoobenthos
European Union Water Framework Directive
Opis:
In the summer of 2008–2009 species composition and quantity of macrozoobenthos in deposits samples collected with Ekman gripping device at 4 points of Starzyc Lake was studied. Lake Starzyc also called Chociwel is located in West Pomeranian Voivodeship and is adjacent to the town of Chociwel from South and South East of the city. In the collected material of the analysed lake macrozoobenthos organisms from the following classes were found: Oligochaeta, Hirudinea, Crustacea, Insecta and Bivalvia. The Insecta class was the most numerous one in respect of species found, including larvae of the following orders: Ephemeroptera (Leptophlebia sp., Ephemera sp., Caenis macrura (Stephens)), Trichoptera (Limnephilidae, Leptoceridae, Cyrnus sp.) Diptera and Megaloptera (Sialis lutaria L.). The density and biomass distribution in the analysed Starzyc Lake demonstrates the occurrence of unfavourable changes which may lead to eutrophication in the shallowest layers of the body reservoir and in the zone at the depth of 4.9 m. The littoral zone of the studied lake features high density and significant benthic fauna biomass with low values of PIE biodiversity index.
Źródło:
Journal of Ecological Engineering; 2013, 14, 4; 1-8
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bilans fosforu w wybranych gospodarstwach rolnych wojewodztwa zachodniopomorskiego
Autorzy:
Burczyk, P
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/809088.pdf
Data publikacji:
2005
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
gospodarstwa rolne
bilans fosforu
metoda bilansu skladnikow nawozowych
woj.zachodniopomorskie
Opis:
W pracy przedstawiono wyniki bilansu fosforu w pięciu gospodarstwach rolnych województwa zachodniopomorskiego w latach 2000 - 2002. Ocenę gospodarowania fosforem oparto o rejestr jego wnoszenia do gospodarstwa i wynoszenia w okresie roku kalendarzowego - bilans w skali gospodarstwa. Nawozy fosforowe były głównym źródłem fosforu wnoszonego do gospodarstw (od 7 do 46 kg P·ha⁻¹ na rok). Wynoszenie fosforu wyniosło od 1 do 23 kg P·ha⁻¹. Wartości bilansu fosforu wahały się w granicach od -6 do + 40 kg P·ha⁻¹. Efektywność wykorzystania fosforu była najniższa w gospodarstwie najmniejszym o ekstensywnej produkcji (8%) a największa i corocznie wzrastająca w gospodarstwie intensywnym o dużej powierzchni (prawie 98%).
Paper presented the balance of phosphorus, in five farms of Zachodniopomorskie province, were estimated within 2000 - 2002. The farm gate phosphorus balance was performed according to the well accepted PARCOM rules adopted to Polish conditions by [Pietrzak 1997]. The inputs comprise phosphorus in commercial fertilizers, purchased animal feed, mineral additives, purchased seed etc., but also in wet and dry precipitation. The outputs comprise phosphorus in sold plant and animal products. The difference between inputs and outputs is phosphorus surplus. The surplus was generally expressed in kg P·ha⁻¹ to arable the comparison between the farms. The ratio of phosphorus sold in products to total phosphorus inputs is the phosphorus utilization efficiency expressed in percent. Most of phosphorus was supplied on the farms with mineral fertilizers, from 7 (farm II 2001) to 46 kg P·ha⁻¹ (farm III). Phosphorus output varied between 1 and 23 kg P·ha⁻¹. Most phosphorus left the farms with sold plant products. Balance varied between -6 and +40 kg P·ha⁻¹. Utilization efficiency of phosphorus was lowest on a small and less intensive farm (8%) whereas the highest on a big intensive farm (almost 98 %), also phosphorus surplus was smallest on big farm (+6 in 2000 to +0,4 kg P·ha⁻¹ in 2002). Different phosphorus balances and utilization efficiency showed high differences in phosphorus management level on the farms.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 2005, 505; 77-82
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Temperature dependence of the short-range order parameter for Fe0.90Cr0.10 and Fe0.88Cr0.12 alloys
Autorzy:
Idczak, R.
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/147636.pdf
Data publikacji:
2015
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
iron alloys
Mössbauer spectroscopy
nuclear materials
short-range order
Opis:
The 57Fe Mössbauer spectra for the iron-based solid solutions Fe0.90Cr0.10 and Fe0.88Cr0.12 were measured at different temperatures ranging from 300 K to 900 K. Analysis of the obtained spectra shows that the distribution of impurity atoms in the two first coordination shells of 57Fe nuclei is not random and it cannot be described by the binomial distribution. Quantitatively, the effects were described in terms of the atomic short-range order (SRO) parameters and the pair-wise interaction energy with the help of a quasi-chemical type formulation introduced by Cohen and Fine. The obtained results reveal strong clustering-type correlations in the studied samples (a predominance of Fe-Fe and Cr-Cr bonds). Moreover, the changes in SRO values observed during thermal processing suggest that the distribution of Cr atoms in an α-iron matrix is strongly temperature dependent.
Źródło:
Nukleonika; 2015, 60, 1; 35-38
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Atomic short-range order in mechanically synthesized iron based Fe-Zn alloys studied by 57Fe Mössbauer spectroscopy
Autorzy:
Konieczny, R.
Idczak, R.
Powiązania:
https://bibliotekanauki.pl/articles/148820.pdf
Data publikacji:
2015
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
hyperfine interactions
mechanical alloying
Mössbauer spectroscopy
nanocrystalline materials
short-range order
Opis:
Mechanical alloying method was applied to prepare nanocrystalline iron-based Fe1-xZnx solid solutions with x in the range 0.01 ≤ x ≤ 0.05. The structural properties of the materials were investigated with the Mössbauer spectroscopy by measuring the room temperature spectra of 57Fe for as-obtained and annealed samples. The spectra were analyzed in terms of parameters of their components related to unlike surroundings of the iron probes, determined by different numbers of zinc atoms existing in the neighborhood of iron atoms. The obtained results gave clear evidence that after annealing process, the distribution of impurity atoms in the fi rst coordination spheres of 57Fe nuclei is not random and it cannot be described by binomial distribution. The estimated, positive values of the short-range order parameters suggest clustering tendencies of Zn atoms in the Fe-Zn alloys with low zinc concentration. The results were compared with corresponding data derived from Calphad calculation and resulting from the cellular atomic model of alloys by Miedema.
Źródło:
Nukleonika; 2015, 60, 1; 69-73
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The production capacity of renewable energy from available biomass including available technologies
Potencjał wytwórczy energii odnawialnej z dostępnej biomasy z uwzględnieniem znanych technologii
Autorzy:
Konieczny, R.
Łaska, B.
Powiązania:
https://bibliotekanauki.pl/articles/335454.pdf
Data publikacji:
2014
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Tematy:
rural areas
biomass
renewable energy
agro-energetic installation
obszar wiejski
biomasa
energia odnawialna
instalacja agroenergetyczna
Opis:
It is essential to have knowledge of the volume and technologies of anaerobic digestion of biomass and of the ability to estimate it on an energetic basis in order to determine in the production of farm animals and use in practice the production capacity of renewable energy from animal excrement. The aim of this study is to demonstrate (illustrated with an example of communes of Budzyń, Kaźmierz, and Kostrzyn Wielkopolski) a method of collecting data and to determine mathematically biomass energy available in the animal production. Furthermore, there are reviewed some specific technologies of the biomass conversion in the agricultural biogas production. It has been assumed that data on the collection and processing of biomass for the energetic purposes and research results on the production capacity of biomass energy available in the animal production of the analysed communes will ensure that some activities aimed at popularizing any available and innovative agro-energetic technical and technological solutions in rural areas of the Wielkopolska Province will be conducted.
Do wyznaczenia w produkcji zwierząt gospodarskich i wykorzystania w praktyce potencjału wytwórczego energii odnawialnej z odchodów zwierzęcych, niezbędna jest wiedza o zasobności i technologiach biogazowania biomasy oraz umiejętność jej energetycznego oszacowania. Za cel opracowania przyjęto zaprezentowanie (na przykładzie gmin Budzyń, Kaźmierz, Kostrzyn Wielkopolski) sposobu gromadzenia danych i matematycznego wyznaczania energii z biomasy dostępnej w produkcji zwierzęcej. Ponadto w produkcji biogazu rolniczego przedstawiono przegląd wybranych technologii konwersji biomasy. Założono, że informacje odnośnie pozyskiwania i przetwarzania biomasy na cele energetyczne, oraz wyniki badań o potencjale wytwórczym energii z biomasy dostępnej w produkcji zwierzęcej analizowanych gmin, zapewnią na obszarach wiejskich województwa wielkopolskiego działania do rozpowszechniania znanych, oraz nowatorskich technicznych i techno-logicznych, rozwiązań agroenergetycznych.
Źródło:
Journal of Research and Applications in Agricultural Engineering; 2014, 59, 3; 119-124
1642-686X
2719-423X
Pojawia się w:
Journal of Research and Applications in Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of chemical and physico-chemical indicators of water of the Resko lake on the basis of the European Union Water Framework Directive
Autorzy:
Daniszewski, P.
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/411595.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
water
lake
chemical and physico-chemical indicators
European Union Water Framework Directive
Opis:
The work shows the evaluation of physico-chemical parameters of water Resko lake, based on the European Union Water Framework Directive. Research was carried out in the years 2008-2009, in the period from April to October. With each of the three measuring stations on the tested water samples were taken two separate Lakes for chemical analysis. At the place of sampling were numbered pH. Trying to test water were taken by Polish Standards. Collected water samples were fixed in accordance with the recommendations in the Polish Standards. Other indicators for the quality of the waters have been tagged within 24 hours from the moment of download attempts. Have studied lake close to neutral pH - 7.63 to 7.79. All lakes in accordance with the classification of the European Union Water Framework Directive have been included in the first class. Studies have shown a diverse water quality in lakes in relation to tested indicators. By analyzing the average annual values can be noted that the pH of the water, the O2diss and the concentration of NO3? showed a relatively small variation in all investigated Lakes. The level of the General Suspension in Resko lake the peasant was on level II class. The concentration in the surface layer of Ptot. Lake is little differentiated, is at level II quality class according to the classification of the European Union Water Framework Directive. The concentration of total phosphorus is 0,22-0,29 mg?dm-3.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 4; 98-104
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of chemical and physico-chemical indicators of water of the Starzyc lake on the basis of the European Union Water Framework Directive
Autorzy:
Daniszewski, P.
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/411599.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
water
lake
chemical and physico-chemical indicators
European Union Water Framework Directive
Opis:
The work shows the evaluation of physico-chemical parameters of water Starzyc lake, based on the European Union Water Framework Directive. Research was carried out in the years 2008-2009, in the period from April to October. With each of the three measuring stations on the tested water samples were taken two separate Lakes for chemical analysis. At the place of sampling were numbered pH. Trying to test water were taken by Polish Standards. Collected water samples were fixed in accordance with the recommendations in the Polish Standards. Other indicators for the quality of the waters have been tagged within 24 hours from the moment of download attempts. Have studied lake close to neutral pH 7.64 to 7.76. All lakes in accordance with the classification of the European Union Water Framework Directive have been included in the first class. Studies have shown a diverse water quality in lakes in relation to tested indicators. By analyzing the average annual values can be noted that the pH of the water, the O2diss and the concentration of NO3-showed a relatively small variation in all investigated Lakes. The level of the General Suspension in Starzyc lake the peasant was on level II class. The concentration in the surface layer of Ptot. Lake is little differentiated, is at level II and III quality class according to the classification of the European Union Water Framework Directive. The concentration of total phosphorus is 0,32-0,47 mgźdm–3.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 4; 91-97
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of chemical and physico-chemical indicators of water and bottom macrofauna the Starzyc Lake on the basis of the European Union Water Framework Directive
Autorzy:
Daniszewski, P.
Konieczny, R.
Powiązania:
https://bibliotekanauki.pl/articles/411792.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
water
lake
chemical and physico-chemical indicators
NH4+
NO2-
NO3-
PO43-diss
macrozoobenthos
European Union Water Framework Directive
Opis:
Have studied lake close to neutral pH 7.70 to 7.74. All lakes in accordance with the classification of the European Union Water Framework Directive have been included in the first class. Studies have shown a diverse water quality in lakes in relation to tested indicators. By analyzing the average annual values can be noted that the pH of the water, the O2diss and the concentration of NH4+, NO2?, NO3?, PO43-diss showed a relatively small variation in all investigated Lakes. The level of the total suspended solids in Starzyc lake the peasant was on level II class. The concentration in the surface layer of Ptot. Lake is little differentiated, is at level II and III quality class according to the classification of the European Union Water Framework Directive. In the case of nitrogen-compounds nitrates and nitrites values for these indicators were at level I and II class in all the surveyed lakes in accordance with the classification of the European Union Water Framework Directive. In 2008 attendance related macrofauna test bed showed that the most common they were mud-eating and larvae chironomids, oligochaeta (F = 100%), which consisted of Tischlera classification of the species is absolutely solid. Among larvae of Chironomidae the species is absolutely integral were Chironomus f. l. plumosus (F = 100%). However Chaoborus sp. belong to the accesoric species. Other designated species of fauna were accidental species of benthic (F) = 25%. In 2009 attendance related macrofauna test bed showed that the most common they were mud-eating and larvae chironomids, oligochaeta (F = 100%), which consisted of Tischlera classification of the species is absolutely solid. Among larvae of Chironomidae the species is absolutely integral were Chironomus f. l. plumosus (F = 100%). However Asellus aquaticus Racov. and Chaoborus sp. belong to the accesoric species. Other designated species of fauna were accidental species of benthic (F) = 25%. Fauna of the Starzyc Lake bottom during summer stagnation was poor in terms of quality, which proves its considerable biological degradation. In terms of the concentration in the test macrozoobenthos Lake dominated and Oligochaeta, Diptera larvae.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 5; 66-75
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 77

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