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Wyszukujesz frazę "Bolalek, J." wg kryterium: Autor

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Problematyka zanieczyszczeń portów zlokalizowanych w rejonie przyujściowym na przykładzie Portu Gdańskiego i Kłajpedzkiego
    Aspects of pollution in the harbours located near the river mouth using the example of the Gdańsk and Klaipeda harbours
    Autorzy:
    Bolalek, J.
    Radke, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2084711.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    port gdanski
    port klajpedzki
    zanieczyszczenia srodowiska
    osady
    metale sladowe
    ujscia rzek
    zanieczyszczenia metalowe
    Opis:
    The paper discusses the key issues associated with the location of harbours near the river mouths and the pollution of harbour sediments with heavy metals (e.g. zinc, copper, nickel and lead) and organic derivatives of tin, using the examples of the Gdańsk and Klaipeda harbours. The authors have described the key location factors of the two harbours which largely determine sedimentation processes. It has been shown that the heavy metals content in the sediments of the two harbours does not exceed the concentration values permitted by Polish or Lithuanian law.
    Źródło:
    Prace i Studia Geograficzne; 2010, 44; 249-265
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sources of particulate selenium in the Baltic Sea atmosphere
    Autorzy:
    Dudzinska-Huczuk, B.
    Schneider, B.
    Bolalek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/48530.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    X-ray fluorescence
    aerosol
    Rugen Island
    air filtration
    atmosphere
    Baltic Sea
    coastal weather station
    selenium
    Opis:
    To determine the atmospheric concentrations and size distributions of particulate selenium (Se), aerosols were collected by air filtration and impactor sampling at the Kap Arkona coastal weather station on the Island of R¨ugen.T otal reflection X-ray fluorescence analysis was used to determine Se and numerous other elements as well.The dependence of the Se concentration on the wind direction and the results of a regression analysis indicated that Se associated with sub-micron particles is mainly derived from anthropogenic sources.The pronounced relationship between Se and Cu indicated that copper smelting is a major source of atmospheric selenium. A marine Se contribution was identified for particles larger than 2 μm.
    Źródło:
    Oceanologia; 2000, 42, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biogenic substances in the waters of the gulf of Gdańsk in the IIIrd decade of july 1997, after passage of flood wave
    Autorzy:
    Bolałek, J.
    Aftanas, B.
    Lubomirski, K.
    Karp, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1920397.pdf
    Data publikacji:
    1998
    Wydawca:
    Instytut Morski w Gdańsku
    Tematy:
    salinity
    Gulf of Gdańsk
    Opis:
    The paper discusses the distribution of salinity and of dissolved non-organic salts of nitrogen and phosphorus (nitrates, nitrites, ammonium, phos;hates) in the surface waters of the Gulf of Gdańsk after the flood wave passed in the IIIrd decade of July 1997. It was found, by comparing with data obtained in the past years, that the summer flood wave did not cause large changes in the amounts of the investigated biogenic substances in the waters of the region.
    Źródło:
    Biuletyn Instytutu Morskiego w Gdańsku; 1998, 25, 1; 77-83
    1230-7424
    2450-5536
    Pojawia się w:
    Biuletyn Instytutu Morskiego w Gdańsku
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geochemical and acoustic evidence for the occurrence of methane in sediments of the Polish sector of the Southern Baltic Sea
    Autorzy:
    Brodecka, A.
    Majewski, P.
    Bolalek, J.
    Klusek, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/48640.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    methane
    sulphate concentration
    hydrogen sulphide
    sediment
    Baltic Sea
    marine sediment
    shallow sea
    organic matter decomposition
    water parameter
    acoustic property
    Źródło:
    Oceanologia; 2013, 55, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigations of the possibilities of determining vanadium in water by absorption atomic spectrometry using initial concentration by the chelate formation and extraction methods
    Autorzy:
    Karp, G.
    Wiśniewski, S.
    Aftanas, B.
    Bolałek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1920389.pdf
    Data publikacji:
    1998
    Wydawca:
    Instytut Morski w Gdańsku
    Tematy:
    spectrometry
    initial condesation
    Opis:
    Possibilities of determining low concentrations of vanadium in underground and surface waters using the absorptive atomic spectrometry with flame excitation method were tested. Due to the very low le vel of concentration of the determined element in water, initial condensation was necessary by chelate formation with 1-ammonium-pyrrolidin-dithiocarbamat (APDC) at pH= 4, and by extracting to the isobutyl methyl ketone (MIBK). Spectrometric measurements were made in the obtained extract. After optimising the conditions of measurement, investigating and determining the influence of disturbing substances, and determining the limit of detectability, it was found that using the developed method vanadium can be determined in water in the range of concentrations between 0.004 and 0.050 mgV/dm3. Determination becomes impossible if concentrations of iron of over 0.5 mgldm3 are present.
    Źródło:
    Biuletyn Instytutu Morskiego w Gdańsku; 1998, 25, 1; 69-76
    1230-7424
    2450-5536
    Pojawia się w:
    Biuletyn Instytutu Morskiego w Gdańsku
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The occurrence and activity of sulphate-reducing bacteria in the bottom sediments of the Gulf of Gdańsk
    Autorzy:
    Mudryk, Z.J.
    Podgorska, B.
    Ameryk, A.
    Bolalek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/48557.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    concentration
    seasonal fluctuation
    Baltic Sea
    hydrogen sulphide
    sediment
    Gdansk Gulf
    sulphate-reducing bacteria
    bottom sediment
    Opis:
    The paper presents the results of investigations concerning the number, distribution and physiological activity of sulphate-reducing bacteria (SRB) inhabiting the bottom sediments of the Gulf of Gdańsk. The numbers of this group of bacteria range between 0.76 × 103 and 1.27 × 104 cells per g wet sediment. The bacterial sulphate reduction rate in bottom sediments of this area of the Baltic Sea varies from 1.89 to 31.6 nM SO2− 4 g−1 24 h−1. The numbers of SRB and their physiological activity were subject to considerable seasonal fluctuations, maximum values being noted in summer (June) and minima in spring (April). A direct relationship has been found between the number of SRB and hydrogen sulphide concentrations; there is, however, no such relationship with reference to sulphate concentrations. The numbers and distributions of SRB demonstrated considerable variation in a depth profile of bottom sediments. SRB inhabiting the bottom sediments of the Gulf of Gdańsk were able to use three different organic substrates (lactate, acetate, propionate) as electron donors and as carbon and energy sources.
    Źródło:
    Oceanologia; 2000, 42, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aspects of Pollution in Gdansk and Gdynia Harbours at the Coastal Zone of the South Baltic Sea
    Autorzy:
    Radke, B.
    Piketh, S.
    Wasik, A.
    Namieśnik, J.
    Dembska, G.
    Bolałek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/117018.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Baltic Sea
    coastal zone
    Port of Gdynia
    Port of Gdańsk
    Opis:
    Organotin compounds (OTC), as well as metals, are toxic to many organisms. Even at very low concentrations OTC and metals can have several negative effects. The paper discusses key issues relating to the location of harbours in the coastal zone (including near the river mouths and semi‐closed access to the sea) and the pollution of harbour sediments with heavy metals (e.g. zinc, copper, nickel and lead) and organotin derivatives (e.g. butyltin, phenyltin, octyltin, and tricyclohexyltin), using the examples of the Gdańsk and Gdynia ports. The authors have described key spatial factors of the two ports which largely determine sedimentation processes. It has been shown that the heavy metals content in the sediments of the Port of Gdańsk does not exceed the concentration values permitted by Polish law, however, the problem with the establishment of standard concentration levels for organotin derivatives remains.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 1; 11-18
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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