Zobrazeno 1 - 10
of 152
pro vyhledávání: '"V. K Kozlov"'
Autor:
O. V Ostrovskaya, G. N Kholodok, N. M Ivakhnishina, N. V Morozova, T. N Karavyanskaya, E. M Golubeva, V. I Reznik, L. V Savosina, L. A Lebedeva, E. N Prisyazhnyuk, V. K Kozlov
Publikováno v:
Журнал микробиологии, эпидемиологии и иммунобиологии, Vol 92, Iss 2, Pp 59-65 (2015)
Aim. Study the circulation of respiratory viruses in children with community-acquired pneumonia (CAP) during the period from October 2012 to May 2013. Materials and methods. 136 children with CAP aged from 3 months to 16 years with ARI symptoms at th
Externí odkaz:
https://doaj.org/article/dbd29cc0c6d34a72a706db6eebed29cc
Autor:
E. S. Korovkina, A. V. Krakovskaya, M. P. Kostinov, V. K. Kozlov, N. E. Jastrebova, O. O. Magarshak, V. B. Polishchuk
Publikováno v:
Инфекция и иммунитет, Vol 9, Iss 5-6, Pp 713-722 (2020)
A lead place among pathogens resulting in pediatric chronic bronchopulmonary diseases is held by S. pneumoniae and Haemophilus influenzae. Vaccination against pneumococcal and hemophilic infections is approved and recommended for patients with chroni
Externí odkaz:
https://doaj.org/article/5f9c0d7d927d4d21a63281fb87843959
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 21, Iss 1-2, Pp 87-92 (2019)
Abstract: In this paper, we offer a simple, intuitive, qualitative method for analyzing in diagnosing transformer oils, which does not require expensive equipment and at the initial stage allows us to determine the degree of oil aging.
Externí odkaz:
https://doaj.org/article/96523e94b9fe4010b03d236a4ce302df
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 20, Iss 11-12, Pp 144-151 (2019)
The effect of paper thermal destruction on its luminescence spectra and luminescence excitation spectra in the spectral ranges of 400-550 nm and 250-450 nm, respectively, was studied. It is proposed to use the characteristic changes in the intensity
Externí odkaz:
https://doaj.org/article/fdef5a328b4e42f48546b607b24387ea
Autor:
V. K. Kozlov, A. Kh. Sabitov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 20, Iss 9-10, Pp 34-38 (2019)
The paper presents the results of research and analysis of literature data on the paper insulation's thermal aging. An exponential decrease in the degree of polymerization of paper insulation from the aging time is established, at the starting time o
Externí odkaz:
https://doaj.org/article/908c1d5511424377b02ca40889367f9f
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 19, Iss 11-12, Pp 152-156 (2018)
This paper presents the results of experiments for studying the possibility of using crystalline cobalt chloride for drying of transformer oils. It is shown that the use of crystalline hydrates of cobalt chloride for the drying of transformer oils le
Externí odkaz:
https://doaj.org/article/eee58985593d41b4a5ea3e30771fe581
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 19, Iss 9-10, Pp 59-64 (2018)
Conducted analysis of optical transmission spectra mineral transformer oils in the range of 300 - 1000 nm. Showing influence at optical transmission spectrum of transformer oils technologies of their production, as well as used in the production of p
Externí odkaz:
https://doaj.org/article/a36a52db6b9a4c09a493f18357db0ba6
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 7-8, Pp 13-17 (2017)
In the present manuscript the results of the analysis of structural-group composition of transformer and turbine oils are described based on optical spectra in the range of 850 - 1000 nm. It is shown that in the course of oil aging portion of CH2 gro
Externí odkaz:
https://doaj.org/article/2d84abf825ac4d70b53253789b74bf6c
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 9-10, Pp 91-94 (2017)
Features of transformer oil aging in actual use have been studied by UV-spectroscopy.
Externí odkaz:
https://doaj.org/article/6d9a138b86f74af382c2ccba88dd50b8
Autor:
L. I. Musaeva, A. P. Kulikova, V. K. Kozlov, L. G. Gafiyatullin, O. A. Turanova, A. N. Turanov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 0, Iss 9-10, Pp 63-68 (2017)
In presented work the methods of determining the moisture content in transformer oil are listed, their advantages and disadvantages are discussed, the idea of a new method is proposed, it based on the color change of cobalt chloride (II) hydrate due
Externí odkaz:
https://doaj.org/article/67dd004a2d94414ba7e17a790b7c98e2