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    Wyświetlanie 1-4 z 4
    Tytuł:
    Book review: Sebastian Żukowski, “Cosmopolitism And Postmodernism Versus The World Order”, Żurawia Papers, vol. 13, Institute of International Relations, University of Warsaw, Warsaw 2009, pp. 149
    Autorzy:
    Chełminiak, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/2026807.pdf
    Data publikacji:
    2010-12-31
    Wydawca:
    Wydawnictwo Adam Marszałek
    Tematy:
    book review
    Sebastian Żukowski
    Marcin Chełminiak
    cosmopolitism
    Opis:
    The beginning of the 21st century was a period in which the international order was still in the phase of transformation. The bipolar system, which fell into disintegration along with the end of the Cold War, did not trigger the end of history as some had expected. e international community faced new challenges which will probably require new, more effective instruments. The new conditions of the evolution of the international order pose difficult questions to be answered by analysts of international relations. The questions relate to the analysis of the present order as well as the directions of its short, middle – and long-term development. e international order, as with most of the elements in the theory of international relations, may be analysed from the perspective of various research schools. In Polish literature on the subject it has been viewed mainly from the angle of the classical paradigms: realistic, liberal or normative.
    Źródło:
    Polish Political Science Yearbook; 2010, 39; 312-315
    0208-7375
    Pojawia się w:
    Polish Political Science Yearbook
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nitrogen fractions in dehydrated peat soils
    Autorzy:
    Becher, Marcin
    Żukowski, Emil
    Powiązania:
    https://bibliotekanauki.pl/articles/1066276.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    muck
    oles peat soil nitrogen
    peat degradation
    peat moss
    sequential analysis
    Opis:
    The aim of the study was to determine the nitrogen speciation in organic soils under mulching, made from sedge and peat. For speciation tests, the method based on extraction with neutral reagent and two-stage acid hydrolysis allowing the separation of mineral nitrogen and organic forms: soluble, easily hydrolysable, hardly hydrolyzing and non-hydrolyzing. Characteristic for the degradation of dehydrated peats, the processes of oxygen transformation of organic matter increased the share of the most mobile soluble and easily hydrolysable fractions. The easily soluble and easily hydrolysable fraction was closely correlated with the decomposition processes of the organic matter of the studied soils. It was confirmed that a useful indicator describing the state of transformations of peat soils occurring after their dehydration, may be the ratio of the amount of nitrogen of the easily hydrolysable to the hardly hydrolysable form. The value of this ratio showed a significant linear relationship with soil characteristics characteristically variable in transformation processes of drained peat soils. It grew along with the advancement of decomposition processes of organic matter.
    Źródło:
    World Scientific News; 2019, 130; 149-162
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fractional Composition of Organic Matter and Properties of Humic Acids in the Soils of Drained Bogs of the Siedlce Heights in Eastern Poland
    Autorzy:
    Becher, Marcin
    Tołoczko, Wojciech
    Godlewska, Agnieszka
    Pakuła, Krzysztof
    Żukowski, Emil
    Powiązania:
    https://bibliotekanauki.pl/articles/2086375.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    secondary transformation process
    humification
    carbon fraction
    sequential extraction
    Opis:
    The studied bogs of the Siedlce Heights in eastern Poland are currently undergoing decession. In the course of pedological studies, a significant modification of the structure of soil profiles caused by the murshing process was found. The total contents of carbon and nitrogen values (TC/TN = 11.1–17.3) obtained in the study, as well as slight acidification (pHKCl 5.42–6.15) indicate the eutrophy of the studied soil environment, high biological activity and a significant degree of organic matter processing as a result of the processes of mineralization and humification. In addition, the upper levels covered by the process of murshing, compared to peat, are characterized by lower carbon content and, most often, similar nitrogen content. In the studied soils, humic substances are mostly represented by the fraction of humic acids. As a consequence, high values of the quotient expressing quantitative relations between soil humus fractions (HAs/FAs) were noted. For all profiles, the highest share of fulvic acids was recorded in turf murshic levels (M1). The occurrence of the most mature humic acids was found in the peat levels not covered by secondary transformation processes after dehydration.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 4; 208--222
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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