Zobrazeno 1 - 10
of 422
pro vyhledávání: '"V V, Efremov"'
Publikováno v:
RUDN Journal of Medicine, Vol 25, Iss 3, Pp 219-228 (2021)
Relevance . Epilepsy is a common neurological disease in tropical countries, especially in Africa. Its prevalence in African countries is almost twice as high as in Asia, Europe and North America. Objective: to investigate the characteristics of the
Externí odkaz:
https://doaj.org/article/5041e14ccf5a40a0935583e5a144c13e
Autor:
O. B. Shcherbina, S. M. Masloboeva, N. I. Steblevskaya, M. V. Belobeletskaya, V. V. Efremov, M. V. Smirnov, M. N. Palatnikov
Publikováno v:
Journal of Advanced Dielectrics, Vol 10, Iss 01n02, Pp 2060014-1-2060014-7 (2020)
Ceramic solid solutions GdNbxTa1−xO4 (x=0–1) were synthesized by sol–gel. Morphological particularities of microstructure were studied, strength characteristics (Young’s modulus) and stress intensity factor for mode I KIC were evaluated. The
Externí odkaz:
https://doaj.org/article/158dd59892344becaf72f03223ca5f82
DETERMINATION OF THE PARAMETERS OF SMALL METEORAL BODIES: COMPARISON OF POROUS AND SOLID BODY MODELS
Publikováno v:
Dynamic Processes in Geospheres. 14:99-105
Publikováno v:
Journal of Structural Chemistry. 62:1715-1722
Publikováno v:
Polymer Science, Series B. 63:894-904
Publikováno v:
Медицинский вестник Юга России, Vol 0, Iss 3, Pp 92-97 (2014)
Purpose: comparative evaluation of parameters of quality of life of patients with hypertension complicated by the development of stroke and their dynamics hypotensive therapy.Materials and methods: 49 patients divided into two groups. Study group com
Externí odkaz:
https://doaj.org/article/d6a2ea25ba0b4850bf6739f89cb857f5
Publikováno v:
Russian Journal of Electrochemistry. 57:499-504
Lithium cobaltate with stoichiometric composition (LiCoO2) is synthesized by the sol–gel method. The physical parameters (particle size, specific surface area, and specific static conductivity) of studied samples are found and their dependence on t
Autor:
L. A. Aleshina, V. V. Efremov, O. B. Shcherbina, A.V. Kadetova, M. N. Palatnikov, O. V. Sidorova
Publikováno v:
Ferroelectrics. 568:23-38
An influence of hyper-hardening on structure and mechanical properties of ceramic solid solutions (SS) Li0.12Na0.88TayNb1–yO3 with tantalum concentrations у = 0.05; 0.25; 0.4 has been revealed. The...
Publikováno v:
Russian Journal of Inorganic Chemistry. 65:440-445
LiTaO3 ceramics has been produced from a fine powder synthesized by a sol-gel method from a Li,Ta-containing citrate precursor, and its microstructure and mechanical and electrical properties have been studied. Young’s modulus and microhardness of
Autor:
E. A. Litmanovich, V. V. Efremov
Publikováno v:
Polymer Science, Series A. 61:743-753
Solutions of poly(acrylic acid) mixtures with poly(sodium styrenesulfonate) in water and in decimolar hydrochloric acid are studied by potentiometry, viscometry, and rotational rheometry. It is shown that, in a wide range of mixture compositions, the