Zobrazeno 1 - 10
of 433
pro vyhledávání: '"S. A. Petrova"'
Publikováno v:
Chimica Techno Acta, Vol 7, Iss 1, Pp 17-25 (2020)
During the study of the phase formation process in Ca-R-Nb-M-O systems (R=La, Bi, M=Mo, W), an attempt was made to obtain single-phase compounds of CaRNbMO8 composition by the standard ceramic technique. In addition, samples based on LaNbO4, CaWO4, B
Externí odkaz:
https://doaj.org/article/b4e06ad6477f459f92b620cf362d0efd
Autor:
S. A. Petrova
Publikováno v:
Научный диалог, Vol 0, Iss 8, Pp 166-177 (2019)
The article investigates the ontological duality as one of the important philosophical aspects of rock poetry by V. Tsoi. The importance of a philosophical interpretation of the rock text that embodies a worldview of its author is emphasized. It is s
Externí odkaz:
https://doaj.org/article/9b8bef2dcf454371b46fa94abfe3455d
Publikováno v:
Chimica Techno Acta, Vol 8, Iss 2 (2021)
The cation deficient complex oxides of (Ca/Sr)MoO4 - BiVO4 - Bi2Mo3O12 triple system are promising photocatalysts and pigments. Compounds with general formula of Ca1−1.5x-yBix+yФxMo1-yVyO4 and Sr1−1.5x-yBix+yФxMo1-yVyO4 were synthesized byconve
Externí odkaz:
https://doaj.org/article/cae20f8f130d44b38b3a538d0b4ae85e
Publikováno v:
Chimica Techno Acta, Vol 5, Iss 2, Pp 109-116 (2018)
Samples of La0.95Bi0.05Mn1-yCuyO3+δ (у=0.1-0.4) were prepared by solid-state synthesis. Additionally, the sample with nominal composition La0.95Bi0.05Mn0.7Cu0.3O3+δ was obtained using citrate-nitrate method. It was determined by X-ray diffraction
Externí odkaz:
https://doaj.org/article/fadaf8ae2ce346698a276850f11c54a8
Publikováno v:
Chimica Techno Acta, Vol 5, Iss 1, Pp 86-91 (2018)
A new previously unknown effect of a reversible transition from a single-phase system to a heterophase system containing a non-autonomous phase was observed during thermal and chemical deformations of the Zn2-2xCd2xV2O7 structure.The role of local sy
Externí odkaz:
https://doaj.org/article/76881bd3c8ac4366a5645c607c5a19e5
Autor:
Z. A. Mikhaylovskaya, M. V. Morozova, E. S. Buyanova, S. A. Petrova, I. V. Nikolaenko, D. G. Kellerman
Publikováno v:
Chimica Techno Acta, Vol 4, Iss 2, Pp 120-127 (2017)
Single phase samples of bismuth molybdate, Bi26Mo10O69, doped with Mn on the bismuth sublattice and V, Fe on the molybdenum sublattice were found to crystallize in the triclinic Bi26Mo10O69 structure at low doping levels and in the monoclinic Bi26Mo1
Externí odkaz:
https://doaj.org/article/1188f3a0b0aa4a8dad647c64834c161c
Autor:
S. A. Petrova
Publikováno v:
Radio Physics and Radio Astronomy, Vol 21, Iss 4, Pp 249-259 (2016)
Purpose: The self-consistent two-fluid model for the stationary axisymmetric magnetosphere of a pulsar is considered. Design/methodology/approach: Taking into account infinitesimal inertial effects, the zero- and first-order equations are solved.
Externí odkaz:
https://doaj.org/article/f7d2291f88974ce1b2120582b5c96d33
Autor:
S. A. Petrova
Publikováno v:
Radio Physics and Radio Astronomy, Vol 20, Iss 4, Pp 275-285 (2015)
The stationary axisymmetric force-free magnetosphere of a pulsar is considered by accounting for the polar gap and current circuit. Adjustment of the vacuum polar gap and the closing current sheet with the force-free magnetosphere of a monopolar stru
Externí odkaz:
https://doaj.org/article/69b13100361643958408fcbc5976876f
Autor:
E. S. Buyanova, Yu. V. Emelyanova, M. V. Morozova, Z. A. Mikhailovskaya, O. S. Kaymieva, V. M. Zhukovskiy, S. A. Petrova
Publikováno v:
Chimica Techno Acta, Vol 2, Iss 4, Pp 306-325 (2015)
In the paper, a comprehensive systematic study of different classes of bismuth containing oxide compounds was carried out. The relationship between composition, temperature and concentration regions of existence of stable, specific structure and prop
Externí odkaz:
https://doaj.org/article/f46990f59fac42e5bb4b992848744095
Autor:
A. L. Kurenkov, S. S. Nikitin, A. R. Artemenko, B. I. Bursagova, L. M. Kuzenkova, S. A. Petrova, O. A. Klochkova, A. M. Mamedyarov
Publikováno v:
Нервно-мышечные болезни, Vol 0, Iss 3, Pp 40-48 (2015)
Cerebral palsy (CP) is one of the most serious outcomes of the perinatal lesion of central nervous system and the most common reason for neurological disability in children. Being the key cause of pathological dynamic stereotypes that frequently resu
Externí odkaz:
https://doaj.org/article/899b498435284cfc9d2ec0a9786432f4