Zobrazeno 1 - 10
of 76
pro vyhledávání: '"L. A. Solov'ev"'
Autor:
D. A. Zausaev, L. A. Solov'ev
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 5(21), Pp 305-308 (2010)
The regular differential equations for a problem of perturbed motion are received. The computing algorithm and the program of numerical integration of the equations of celestial motion by a method of Everhart taking into account regularization and us
Externí odkaz:
https://doaj.org/article/fa36f78fc4694c68b9eb90c6558d31ed
Autor:
A. F. Zausaev, L. A. Solov'ev
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 2(19), Pp 288-292 (2009)
Regularization method for differential equation of comets' motion is used. Numerical integration of the equation of motion of 10 short-period comets during the period of 1800 to 2204 with the use of osculating elements of the large planets is done. T
Externí odkaz:
https://doaj.org/article/5a8d2e9a356e4f20bc0bfb40a2ed1818
Autor:
V. A. Dudnikov, S. N. Vereshchagin, L. A. Solov’ev, S. Yu. Gavrilkin, A. Yu. Tsvetkov, M. V. Sitnikov, Yu. S. Orlov
Publikováno v:
Journal of Experimental and Theoretical Physics. 134:290-299
Publikováno v:
Kinetics and Catalysis. 60:196-204
The effect of the HF modification of ferrospheres separated from fly ash after the combustion of brown coal on their chemical, phase compositions and catalytic properties in the oxidative coupling of methane was studied. The modification led to a cha
Publikováno v:
Russian Journal of Inorganic Chemistry. 63:1225-1231
According to powder X-ray diffraction data, the crystal structures of compounds SrLnCuS3 (Ln = Er, Yb) have been refined by minimizing the derivative difference in the anisotropic approximation for all atoms. Crystals are orthorhombic, space group Cm
Autor:
N. V. Kazak, V. A. Dudnikov, M. S. Platunov, S. N. Vereshchagin, S. Yu. Gavrilkin, Yu. S. Orlov, D. A. Velikanov, Mikhail V. Gorev, Sergey Ovchinnikov, Alexey Veligzhanin, L. A. Solov’ev
Publikováno v:
Journal of Experimental and Theoretical Physics. 126:217-223
The XANES spectra (X-ray absorption near-edge spectra) at the K edge of Co and the L3 edge of Gd in polycrystalline Gd0.4Sr0.6CoO3 – δ rare-earth oxides with an ordered and disordered distribution of Gd3+ and Sr2+ cations over the A sites in the c
Autor:
Yu. S. Orlov, Mikhail V. Gorev, V. A. Dudnikov, L. A. Solov’ev, S. N. Vereshchagin, Sergey Ovchinnikov
Publikováno v:
JETP Letters. 103:607-612
Powder X-ray diffraction data for the crystal structure, phase composition, and molar specific heat for La1‒xGdxCoO3 cobaltites in the temperature range of 300–1000 K have been analyzed. The behavior of the volume thermal expansion coefficient in
Autor:
L. A. Solov’ev, A. V. Ruseikina
Publikováno v:
Russian Journal of Inorganic Chemistry. 61:482-487
The crystal structure of SrCeCuS3, a complex sulfide synthesized for the first time, has been solved using X-ray powder diffraction data. The crystals are orthorhombic, space group Pnma. SrCeCuS3 has two polymorphs: the high-temperature phase of Ba2M
Autor:
V. A. Dudnikov, Sergey Ovchinnikov, Alexander G. Anshits, S. N. Vereshchagin, E. V. Rabchevskii, L. A. Solov’ev
Publikováno v:
Kinetics and Catalysis. 56:640-645
A new possibility of changing the activity and selectivity of perovskite catalysts in the oxidative conversion of methane was demonstrated using the SrxGd1–xCoO3–δ (0.5 < x < 0.9) compounds as an example. It was established that, at the same che
Publikováno v:
Solid Fuel Chemistry. 48:129-139
The chemical and phase composition and the structure of the shells of the narrow fractions of nonmagnetic and magnetic unperforated cenospheres in fly ash from the combustion of coal of the Kuznetsk Basin were studied. It was found that the fractions