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    Wyświetlanie 1-4 z 4
    Tytuł:
    Piractwo somalijskie a polskie prawo karne na przykładzie przestępstwa przejęcia kontroli nad statkiem wodnym
    Somali Piracy and the Polish Criminal Law by the Example of Taking Control Over a Sea Vessel
    Autorzy:
    Frąckowiak, Kamil
    Jankowski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/512638.pdf
    Data publikacji:
    2012
    Wydawca:
    Wydawnictwo Diecezjalne Adalbertinum
    Tematy:
    sea piracy
    maritime terrorism
    crime of taking control over a sea vessel
    Opis:
    The authors start with describing the phenomenon of sea piracy, which has historically been present since the beginning of shipping. They also try to distinguish it from the phenomenon of terrorism and the armed seizure of ship, and analyse the Somali piracy by defining its character and presenting its repercussions in international scene. Subsequently, the authors locate the phe-nomenon of piracy in the Polish law context, and deliver their interpretation of the crime of taking control over the sea vessel in the light of the art. 166 of the Polish Penal Code.
    Źródło:
    Studia Ełckie; 2012, 14; 493-510
    1896-6896
    2353-1274
    Pojawia się w:
    Studia Ełckie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Adsorpcja dwufunkcyjnych labilnych surfaktantów kationowych na granicy faz ciecz/gaz : opis za pomocą modelu kwazi-dwuwymiarowego elektrolitu
    Adsorption of dicephalic labile cationic surfactants at liquid/gas interfaces : surface quasi-two-dimensional electrolyte model descripton
    Autorzy:
    Frąckowiak, Renata
    Para, Grażyna
    Lamch, Łukasz
    Szyk-Warszyńska, Lilianna
    Wilk, Kazimiera A.
    Warszyński, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/2057918.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Chemiczne
    Tematy:
    kationowe surfaktanty wielofunkcyjne
    surfaktanty chemodegradowalne
    adsorpcja
    napięcie powierzchniowe
    model adsorpcji
    multifunctional cationic surfactants
    chemodegradable surfactants
    adsorption
    surface tension
    adsorption model
    Opis:
    There is an increasing interest in surfactants that comprise a linkage that breaks down in a controlled way. The most known examples of the cleavage mechanism include acid or alkaline hydrolysis, UV irradiation, enzymatic or heat decomposition. For practical reasons, the labile grouping can be inserted between the hydrophobic tail of the surfactant and the polar head group. Chemically and/or enzymatically induced cleavage of this labile bond would cause the separation of the polar part and the hydrophobic tail and, consequently, change of surface activity, an event usually referred to as the primary degradation of the surfactant. Dicephalic labile cationic surfactants belong to the class of surface active compounds with many potential applications often associated with their biological activity for a wide range of bacteria, viruses, fungi, or algae. Thus, they can be used in disinfecting agents or for protecting against the occurrence of these microorganisms. They adsorb well on negatively charged surfaces, which can be used in the treatment of fabrics. Due to excellent antistatic properties, they can be used for the final rinsing of fabrics, especially synthetic ones. In flotation processes, they can act as collectors, and in catalysis, they can be used as phase transfer catalysts or templates for zeolite synthesis. We present the surface quasi-two-dimensional electrolyte (STDE) model as a universal model for the description of ionic surfactants’ adsorption at fluid interfaces that explicitly considers the electric double formation upon surfactant adsorption. The model was adapted to describe phenomena occurring for adsorption of dicephalic surfactants as counterion specificity or formation of surfactant ioncounterion associates. As an example, we applied the model to explain the mechanism of adsorption at water/air interface of novel dicephalic cationic surfactants, N,N-bis[3,3′-(trimethylammonio)propyl]alkylamide dibromides and N,N-bis[3,3′-(trimethylammonio)propyl]alkylamide dimethylsulfates, both belonging to the class of chemodegradable surfactants having amide bond between two quaternary amine cationic groups and a single hydrophobic tail. Additionally, we used the same model to describe adsorption isotherms of N,N-bis[3,3- (dimethylamine)propyl]alkylamide dichlorides, having as two hydrophilic groups tertiary amines, which charge is pH-dependent. Application of the STDE model allowed an excellent description of experimental adsorption isotherm of dicephalic cationic surfactants and explained the specific features connected with the presence of multicharged headgroup.
    Źródło:
    Wiadomości Chemiczne; 2021, 75, 9-10; 1119--1155
    0043-5104
    2300-0295
    Pojawia się w:
    Wiadomości Chemiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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