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Wyświetlanie pozycji 11-20 z 22
Elektryczne i fotoelektryczne własności monokryształów $PbMg_{1/3}Nb_{2/3}O_3$ w niskich temperaturach
(1984)
Electric and fotoelectric properties of monocrystals $PbMg_{1/3}Nb_{2/3}O_3$ in low temperatures are discussed.
It is found that in the region of low temperatures electric properties of $PbMg_{1/3}Nb_{2/3}O_3$ are to large ...
Wpływ domieszek $La_2O_3$ na własności elektryczne niobianu sodu $NaNbO_3$
(1984)
The temperature changes of electric conductivity and of electric permittivity were investigated for the $NaNbO_3$
and $NaNbO_3$ + /0,1%, 0,2%, 0,25%, 0,3%, 0,4%, 0,5% and 1% mol $La_2O_3$/ ceramics. Obtained data were ...
Własności elektryczne niestechiometrycznego $NaNbO_3$
(1986)
Electric properties of the compound $Na_{1-x}NbO_{3-0.5x}$ for 0<x<0.1 were studied. Influence of $Na_2O$ deficit on
the sinter temperature on phase transition on dielectric and semiconducting properties of the ceramic ...
Wpływ niestechiometrii na zmiany czasowe i temperaturowe prądu depolaryzacji ceramiki niobianu sodu
(1986)
Time and temperature changes of polarisation and depolarisation currents of the $NaNbO_3$ ceramics samples assumed
to have correct stoichiometric content and of the samples $NaNbO_3$ having the excess of niobium or sodium ...
Cyfrowy teslomierz hallotronowy
(1986)
The block diagram of the digital Hall – effect teslometer intended to the fast determination of magnetic induction
is presented and its functioning is described.
Its possible application and some characteristics B(x) ...
Zmiany temperaturowe współczynnika przewodnictwa ciepła niobianu sodu
(1986)
Construction of the vacuum thermostat intended for measuring the heat conductivity of ferroelectrics and its
temperature changes is presented.
The properties of $NaNbO_3$ are studied in order to apply it in building the ...
Wpływ redukcji tlenowej na zmiany temperaturowe przewodnictwa elektrycznego niobanu sodu
(1980)
A design of a new quartz thermostate is described. It controls:
1) The temperature of the sample from ambient temperature to 1270 K,
2) The pressure of the atmospheric air or other gases within the range from $133,3°10^{-6}$ ...
Wpływ pola magnetycznego na własności $BaTiO_3$
(1986)
Influence of the constant magnetic field on temperature changes of the dielectric constant and on the electric
conductivity of $BaTiO_3$. It was shown for this material that together with the increase of the magnetic ...
Wpływ domieszek na własności elektryczne $NaNbO_3$
(1986)
Influence of the modifiers Ba, Ca, La and Ti on electric properties of $NaNbO_3$ was studied. Data concerning their
influence on electric conductivity, dielectric permeability and Curie point are presented. Dependance ...
Prądy ograniczone ładunkiem przestrzennym dla $(Pb_{0,95}Sr_{0,05})$ $(Zr_{0,53}Ti_{0,47})O_3$ z domieszkami 3% mol $PbO$, 1% mol $La_2O_3$, 1% mol $Nb_2O_5$
(1980)
The influence of the admixture of 3% $PbO$, 1% $La_2O_3$ and 1% $Nb_2O_5$ on the electric properties (electric
permeability, electric conductivity, Seebeck coeficient and current - voltage, current - time characteristics) ...