Artykuły naukowe (WMFT): Recent submissions
Wyświetlanie pozycji 601-620 z 762
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O nierównościach funkcyjnych jednej zmiennej
(1977)In this paper we shall deal with functional inequality (0.1). The main results are given in paragraph 2, where the algebraic structur of the family of solutions is given, and in paragraph 4, where a comparison theorem ... -
Wpływ składu procentowego na własności elektryczne roztworu stałego Pb/Zr[x]Ti[1-x]/O[3] dla 0,46 ≤ x ≤ 0,60
(1977)Temperature depedence of dielectric constant ε, electric conductivity, Seebeck's coefficient, were studied around the morphotropic boundary of the solution. On the ground of polaron theory of transport, charge carrier ... -
Przewodnictwo poeksplozyjnej plazmy metali Al, Sn, Pb, Ag, Cu, Au
(1977)Along with calculation results of relative electric conductivity of the plasmas as a function of temperature, an attempt at experimental verifying them within the temperature range of (10-30)10^3K, is reported. Within ... -
Wyznaczanie współczynnika efektywności termoelektrycznej niobianu sodu
(1977)To evaluate the possibilities of using sodium niobate in thermo-electric converters transforming heat energy into electric energy, the temperature changes of electric conductivity, of Seebeck coefficient and of the thermal ... -
Przyczyny niepowodzeń szkolnych w zakresie fizyki w klasach pierwszych szkół średnich
(1977)For most secondary school pupils physics proves to be a difficult subject. The reason for this is to be sought rather in the lack of proper didactic measures aiming at a well-graded mental development of the pupils than ... -
Zjawiska termoelektryczne w układzie $Pt-NaNbO_3-Pt$
(1977)Temperature changes of the electrical conductivity and of the Seebeck coefficient for the ceramics $NaNbO_3$, and $NaNbO_3$ + 0.2% mol $La_2O_3$, have been investigated. The obtained results have been used to define the ...