Przeglądaj Rocznik Naukowo-Dydaktyczny. Prace Fizyczne według tytułu
Wyświetlanie pozycji 1-20 z 79
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Analiza izotropowego widma EPR K[3][Cr(Cn)[5]NO[3]]
(1990)Two methods: stick diagram approach and microcomputer simulation for interpretation of the isotropic ESR spectrum of water solution of K3[Cr(Cn)[5]NO] complex were described in terms of possible didactic purposes. -
Aparat do znajdowania przedmiotów metalowych
(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. -
Badanie ekranowania magnetycznego jąder [23]Na w związkach typu NaXO[3] metodą magnetycznego rezonansu jądrowego
(1984)The magnetic shielding of [23]Na nuclei in NaNO[3], NaClO[3], NaBrO[3] was investigated theoretically and experimentally. The theory of the magnetic shielding based on the perturbation theory approach of Ramsey was used. ... -
Badanie stanów rozproszeniowych i związanych atomu wodoru metodami geometryczno-grupowymi
(1980)Bound and scattering states ot the hydrogen atom are described using Lie algebras of groups 0/4/, 0/3,1/, 0/4,1/. Comparison with the results of the geometric quantization is made. -
Charakterystyki prądowo-czasowe w układzie $metal-NaNbO_3-metal$
(1980)The temperature changes of current - voltage and current - time characteristics having been investigated, data are used to define the type of conductivity and to determine the activation energy of the charge carriers. ... -
Charakterystyki prądowo-napięciowe ferroelektryków
(1990)The review of the most important theoretical considerations explaining the shape of I-V characteristics for ferroelectric materials is done. The assumptions and calculations proposed by Fridkin-Kreher and Krapivin-Chensky ... -
Charakterystyki prądowo-napięciowe i przewodnictwo elektryczne niobianu sodu $NaNbO_3$
(1977)The temperature changes of electrical conductivity, as well as changes of the Seebeck coefficient and the electrical permeability of sodium niobate $NaNbO_3$, have been investigated. The obtained data were used to define ... -
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) ... -
Dielektryczne własności monokryształów roztworów stałych TGS-TGS-e
(1980)Temperature dependence of the electric permeability and of the spontaneous polarization were studied. A systematic change in chemical composition was observed during the growth process. The ageing process dependence on ... -
Dielektryczne własności tytanianu sodowo-bizmutowego Na[0.5]Bi[0.5]TiO[3]
(1990)The experiments were carried out on dielectric ceramic sodium – bismuth titonate for some frequence of the applied electric field. The effect of the applied constant electric field on the shift temperature of the phase ... -
Dwustanowy regulator temperatury z korekcją mocy wyjściowej
(1980)A concept of improving the transient process in an on-off temperature control unit. The power fed to the heating element is gradually increased or decreased in response to a sawtooth waveform from a generator controlled ... -
Efekt elektretowy w cyrkonianie ołowiu
(1973)Thermoelectre properties were induced in polycryslatalline PbZrO[3]. The thermal depolarization method was applied to the charge evalation absorbed in the process of electret forming. Measurements were carried out near ... -
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 ... -
Fizyczne własności ferro-piezoelektrycznych ceramik rodziny perowskitu
(1984)The electric properties and specially influence of defects on electrical conductivity are presented for modified PZT ceramics. The spectr of energie for oxides perovskite type A[2+]B[4+]O[3] is shown. The influence of ... -
Fotoferroelektryczne zjawiska w monokryształach $(Ba, Sr) Nb_2O_6$
(1990)Influence of illumination on phase transition temperature, on dielectric permittivity and on pyro currents in $Ba_xSr_{1-x}Nb_2O_6$ was studied. Dependence of photoelectretic charge density on temperature in the region of ... -
Impulsowy, tyrystorowy regulator temperatury
(1980)The principle of operation of a silicon controlled rectifying regulator of temperature, driven by impulses, is discussed. The main design data of a prototype and its parameters are given. -
Klasyfikacja stałych roztworów na bazie $NaNbO_3$
(1990)The criterion of division solid solutions, based on sodium niobate in to ferro-, and antiferroelectric materials is described. The results of measurements are compiled in the table. -
Koncepcja wprowadzenia funkcji rozkładu Maxwella w kursie fizyki ogólnej
(1980)In the conventional teaching of the Maxwell distribution law to the beginners, the calculus of variation and Lagrange's method of undetermined multipliers are used. As a result the beginner must frequently employ mathematics ... -
Macierz "S" - regularyzacja Bogolubowa i reprezentacja Kadyszewskiego
(1973)The method of Bogoliubov’s regularization in Kadyshevsky’s representation for elektromagnetic-meson interaction is described. -
Magnetyczne związki o strukturze ilmenitu : konstrukcja sieci prostej i odwrotnej
(1984)This paper deals with the structural data of all known magnetic compounds of ilmenite structure. The parameters of the crystallographic and magnetic rhombohedral cells, also for the reciprocal lattice are compared. The ...