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Wyświetlanie 1-5 z 5
Tytuł:
German sport aviation as a reserve of military aviation in the inter-war period
Autorzy:
Kozak, Zygmunt
Powiązania:
https://bibliotekanauki.pl/articles/20434524.pdf
Data publikacji:
2023-09-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
aviation
sport
training
organisation
Opis:
Aviation as a new weapon emerged at the beginning of the 20th century. The event that influenced its development was the course of the First World War. It was not the decisive factor in determining the fate of the war, however, its dynamic development in the final stage of the war could indicate its great importance in the future. The development of military aviation was the domain of the military authorities. The popularisation campaign and the development of appropriate flight training programs were entrusted to the civilian authorities. The establishment of appropriate organisations was needed to effectively engage the public in cooperation. Sport aviation and gliding excelled in preparing young people for service in airborne combat units and transport aviation. Their development in Europe in the inter-war period proceeded in two ways. The first was the creation of organisations by administrative orders, which took place in Germany, Russia and Italy. The second was the skilful use of social initiatives linked to aviation interests, appropriately coordinated by the state and supported by subsidies, as was the case in England and France. The purpose of the establishment of these organisations and activities was to popularise and train aviation in the widest circles of society and to prepare it for a possible airborne threat.
Źródło:
Reality of Politics; 2023, 25; 63-73
2082-3959
Pojawia się w:
Reality of Politics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Pluronics and surfactant adsorption onto dolomite suspension zeta potential and stability
Autorzy:
Kozak, Anna
Sadowski, Zygmunt
Powiązania:
https://bibliotekanauki.pl/articles/764075.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
Pluronic
adsorption
synergism
zeta potential
dolomite
surfactant
sodium oleate
Opis:
Two kinds of Pluronics (PEO-PPO-PEO triblock copolymers) were used in these studies. They have mixed with anionic surfactant (sodium oleate). The adsorption isotherms of surfactant and copolymer-surfactant mixture onto dolomite have been determined.The adsorbed amount of the Pluronics increases with increasing concentration and reaches plateau. An increase of adsorbed amounts of anionic surfactant onto the mineral surfaces (dolomite) has been observed at the presence of Pluronic copolymers. The adsorption effect of triblock copolymers has been investigated on the zeta potential of dolomite at the water suspension. The interaction of anionic surfactant with copolymers causes a decrease of zeta potential to small amount due to the deformation of double electrical layer. The adsorbed non-ionic Pluronic layer partially screens the surface charge of mineral particles, and thus, reduces the zeta potential. On the other hand, the adsorption of anionic surfactant and copolymer caused a decrease of negative value of zeta potential both investigated minerals. The stability of dolomite suspension depends on the both copolymer and sodium oleate concentrations.
Źródło:
Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia; 2015, 70, 1
2083-358X
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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