Zobrazeno 1 - 10
of 15
pro vyhledávání: '"E. L. Lebedeva"'
Autor:
E. P. Sobina, A. V. Sobina, A. Yu. Shimolin, T. N. Tabatchikova, E. L. Lebedeva, P. V. Migal’, M. P. Krasheninina
Publikováno v:
Measurement Standards. Reference Materials. 17:65-84
The article is devoted to the comparison of two approaches to determining the purity of metal salts on the example of a complex in composition object - flotation potassium chloride. The results of determining the mass fraction of the main component (
Publikováno v:
Russian Journal of Electrochemistry. 57:1008-1014
—The effect of isovalent doping Sc3+ → In3+ on the transport properties is studied for complex oxide BaLaInO4 characterized by the Ruddlesden–Popper structure. It is shown that the introduction of scandium increases the oxygen-ionic and protoni
Publikováno v:
Journal of Analytical Chemistry. 75:679-684
We studied the main electrode functions of carbon paste electrodes (CPEs) modified with 0–20% of dithiooxamidated polysiloxane with respect to palladium(II). The conditions for the potentiometric titration of palladium(II) using modified CPEs as in
Autor:
E. L. Lebedeva, L. K. Neudachina
Publikováno v:
Russian Journal of Physical Chemistry A. 94:852-858
A mathematical model is proposed to describe the behavior of complex compounds of metals during their separation via capillary zone electrophoresis. The model helps explain the possibility of the qualitative and quantitative determination of metal io
Autor:
A. L. Pirozerskii, A. V. Fokin, E. L. Lebedeva, M. I. Samoilovich, Min-Kai Lee, Yu. A. Kumzerov, E. V. Charnaya, A. S. Bugaev, A. I. Nedbai, Lieh-Jeng Chang
Publikováno v:
Acoustical Physics. 62:306-312
The paper presents the results of studying the crystallization and melting processes of Ga–In eutectic alloys, which are embedded in opal matrices, using acoustic and NMR methods. The indium concentrations in the alloys were 4, 6, 9, and 15 at %. M
Publikováno v:
Ferroelectrics. 493:30-38
The phenomenological Landau theory was applied for treating the phase transitions in a thin multiferroic film. The multiferroic phase in the relevant bulk was assumed to emerge following two successive phase transitions of the second order. The coupl
Autor:
E. L. Lebedeva, L. K. Neudachina
Publikováno v:
Аналитика и контроль. 18:458-468
Autor:
E. N. Latysheva, A. L. Pirozerskii, N. I. Sorokin, A. A. Fridman, V. F. Krivorotov, E. V. Charnaya, E. L. Lebedeva
Publikováno v:
Russian Journal of Electrochemistry. 47:310-315
Dielectric properties of CeF3 crystals doped by aluminum, erbium, and holmium were studied in the temperature range of 290–450 K and frequency range of 25 Hz-1 MHz. Cole-Cole diagrams are constructed. An equivalent circuit consisting of a resistanc
Publikováno v:
Physics of the Solid State. 51:708-713
The dielectric properties of lithium iodate crystals of the hexagonal modification grown from solutions with pH = 6.2, 7.1, and 11.0 in the frequency range from 25 Hz to 1 MHz at temperatures of 290–420 K were investigated. The temperature dependen
Publikováno v:
Acoustical Physics. 54:647-653
The results of acoustooptic measurements of the attenuation coefficient of longitudinal ultrasonic waves in copper halide photochromic glasses are presented for wide temperature (140–550 K) and frequency (190–790 MHz) ranges. In the low-temperatu