Wyświetlanie pozycji 1-2 z 2

    • Aparat do znajdowania przedmiotów metalowych 

      Dirba, Arnis; Bąk, Wojciech (1990)
      Operation principles of the apparatus for cable ducts and metal tubles location are presented. Main constructional data of a prototype and its parameters are described.
    • Przejście fazowe antyferroelektryk - paraelektryk w niestechiometrycznym $NaNbO_3$ 

      Bąk, Wojciech; Kuś, Czesław; Ptak, Wiesław Stanisław; Śmiga, Włodzimierz; Tkacz, Katarzyna (1990)
      The theory of AFE-PE phase transformation as formulated by Kittel is reviewed. The experimental values obtained from dielectric measurements are related, to the parameters of Kittel's thermodynamic function. Some of the ...