Search Results - "Egorova, Olga V"

Microbial steroid transformations: current state and prospects by Donova, Marina V., Egorova, Olga V.

“…Studies of steroid modifications catalyzed by microbial whole cells represent a well-established research area in white biotechnology. Still, advances over the…”
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Non-stationary diffraction problem of a plane oblique pressure wave on the shell in the form of a hyperbolic cylinder taking into account the dissipation effect by EGOROVA, Olga V., STAROVOITOV, Eduard I.

“…The plane non-stationary problem of the dynamics of a thin elastic shell in the form of a hyperbolic cylinder immersed in a liquid under the action of an…”
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Quasi-static stability of a ribbed shell interacting with moving load by ANTUFEV, Boris A., EGOROVA, Olga V., RABINSKIY, Lev N.

“…Loss of stability of thin-walled structural elements of aircraft is the most common type of destruction. In this work, the definition of the critical velocity…”
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Dynamics of shell with destructive heat-protective coating under running load by ANTUFEV, Boris A., EGOROVA, Olga V., MEDVEDSKII, Aleksandr L., RABINSKIY, Lev N.

“…The problem of dynamic deformation of a plate with a two-layer composite shell with a heat-shattering coating collapsing in time under the action of a running…”
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Dynamics of a cylindrical shell with a collapsing elastic base under the action of a pressure wave by ANTUFEV, Boris A., EGOROVA, Olga V., RABINSKIY, Lev N.

“…In the dynamic and quasi-static statements, the issue of non-stationary deformation and stability of the solid propellant rocket engine (SPRE) was…”
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Genotoxicity of mixture of imidacloprid, imazalil and tebuconazole by Ilyushina, Nataliya A., Egorova, Olga V., Masaltsev, Gleb V., Averianova, Nataliya S., Revazova, Yulia A., Rakitskii, Valerii N., Goumenou, Marina, Vardavas, Alexander, Stivaktakis, Polychronis, Tsatsakis, Aristidis

“…[Display omitted] •Imidacloprid, imazalil, tebuconazole were non-genotoxic separately.•The mixture of imidacloprid + imazalil + tebuconazole was negative in…”
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Salmonella mutant strains resistant to herbicides - Acetohydroxyacid synthase inhibitors and their use at the Ames test by Egorova, Olga V., Suzina, Nataliya E., Ilyushina, Nataliya A.

“…Cytotoxicity of some pesticides is a disadvantage for the Salmonella/microsome assay with regard to the equivalence assessment of pesticide technical grade…”
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Theoretical and methodological aspects of the formation of an effective forage base by Egorova, Olga V

“…This article is devoted to the organization of agricultural production of feed. Studied basic views on the definition of “fodder” and “fodder base”, and their…”
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Mutagenicity evaluation of pesticide analogs using standard and 6-well miniaturized bacterial reverse mutation tests by Egorova, Olga V., Ilyushina, Nataliya A., Rakitskii, Valerii N.

“…The Ames test is widely used in the mutagenicity evaluation of new and existing chemicals as a part of a compound selection strategy, regulatory control, the…”
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Modeling of the dynamics of plane functionally graded waveguides based on the different formulations of the plate theory of I. N. Vekua type by Egorova, Olga V., Kurbatov, Alexey S., Rabinskiy, Lev N., Zhavoronok, Sergey I.

“…The dynamics of elastic functionally graded waveguides with symmetric through-thickness structure is considered on the background of the new formulation of the…”
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Particularities of mathematical modeling of deformation processes for arched and panel designs of composites with large displacements and rotation angles by DMITRIEV, Vladimir G., EGOROVA, Olga V., STAROVOITOV, Eduard I.

“…In aerospace systems and automotive industry flexible elastic and thin-walled structures are widely used. The adequate mathematical models are in the process…”
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Modelling of the Electrolysers Cooling System for the Fluorine Production Operator Training Simulator by Olga V. Egorova, Nina V. Liventsova, Sergey N. Liventsov, Aleksandr I. Gozhimov

“…Computer training is one of the most perspective training methods for chemical production operators. The key elements of any Operator Training Simulator (OTS)…”
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Microbial side-chain degradation of ergosterol and its 3-substituted derivatives: A new route for obtaining of deltanoids by Dovbnya, Dmitry V., Egorova, Olga V., Donova, Marina V.

“…The strain of Mycobacterium sp. VKM Ac-1815D was found to convert ergosterol and its 3-acetate mainly to androst-4-ene-3,17-dione (AD) thus demonstrating…”
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Production of androstenedione using mutants of Mycobacterium sp by Egorova, Olga V, Gulevskaya, Seraphima A, Puntus, Irina F, Filonov, Andrey E, Donova, Marina V

“…Mycobacterium sp VKM Ac‐1815D strain was able to cleave sterol side chain giving androstenedione (AD) as a major product with a molar yield of 63–68%. Clones…”
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Particularities of mathematical modeling of deformation processes for arched and panel designs of composites with large displacements and rotation angles by Dmitriev, Vladimir G, Egorova, Olga V, Starovoitov, Eduard I

“…In aerospace systems and automotive industry flexible elastic and thin-walled structures are widely used. The adequate mathematical models are in the process…”
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Transformation of C 19-steroids and testosterone production by sterol-transforming strains of Mycobacterium spp by Egorova, Olga V., Nikolayeva, Vera M., Sukhodolskaya, Galina V., Donova, Marina V.

“…Redox conversions of exogenic C 19-steroids (androstenedione (AD), androstadienedione (ADD), testosterone and 1(2)-dehydrotestosterone) were studied using a…”
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Transformation of C19-steroids and testosterone production by sterol-transforming strains of Mycobacterium spp by Egorova, Olga V., Nikolayeva, Vera M., Sukhodolskaya, Galina V., Donova, Marina V.

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Steroid 17β-reduction by microorganisms—a review by Donova, Marina V., Egorova, Olga V., Nikolayeva, Vera M.

“…17β-Reduction is one of key and widespread reactions of microbial steroid metabolism. It accompanies various steroid transformations by microorganisms and…”
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Present Chemical Production Simulator Model Validation Method by N.V. Liventsova, O.V. Egorova, S.N. Liventsov, M.O. Blank

“…The developed new validation method of the simulator model in standard and emergency situations for chemical production management skills training at minimal…”
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Steroid 17b-reduction by microorganisms - a review by Donova, Marina V, Egorova, Olga V, Nikolayeva, Vera M

“…17*b-Reduction is one of key and widespread reactions of microbial steroid metabolism. It accompanies various steroid transformations by microorganisms and…”
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