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  1. No Access

    Article

    Molecular Rotation and Generalized Euler Equations

    The main equations of motion of a rigid body are transformed to describe molecular rotation with respect to intramolecular motion.

    S. V. Petrov in Russian Journal of Physical Chemistry A (2024)

  2. No Access

    Article

    Precious-Metal Mineralization in Gabbroids of the Kumba Intrusive, Uralian Platinum Belt (North Urals)

    The paper presents the first data on the distribution and composition of copper–precious-metal mineralization in gabbroids of the Kumba intrusive (North Urals). The precious-metal mineralization is associated ...

    V. V. Mikhailov, S. Yu. Stepanov, S. V. Petrov… in Geology of Ore Deposits (2023)

  3. No Access

    Article

    Modeling the Active Fragment of a Catalyst in a Polyacrylonitrile Matrix

    A mathematical method for determining a catalyst surface is discussed. The bond angles in an Fe[O2(NH2)3] fragment are determined. The geometry of the resulting complex is established. The effectiveness of using ...

    R. F. Vitkovskaya, I. G. Rumynskaya, S. D. Shagrov, S. V. Petrov in Fibre Chemistry (2023)

  4. No Access

    Article

    Features of the Chemical Composition of Gold Minerals from Gabbro Massifs in the Uralian Platinum Belt, Russia

    Comparative characteristics of gold minerals from gabbro of the Uralian Platinum Belt based on the author’s (Kumba massif, Serebryanskii Kamen massif, and Volkovskoe deposit) and literature (Volkovskoe deposit...

    S. Yu. Stepanov, R. S. Palamarchuk… in Doklady Earth Sciences (2022)

  5. No Access

    Article

    New Copper–Precious Metal Occurrence in Gabbro of the Serebryansky Kamen Massif, Ural Platinum Belt, Northern Urals

    This paper provides a detailed geological description of the Serebryansky Kamen gabbro massif and copper–precious metal mineralization found for the first time within it. The first data on the distribution and...

    V. V. Mikhailov, S. Yu. Stepanov, A. V. Kozlov, S. V. Petrov… in Geology of Ore Deposits (2021)

  6. No Access

    Article

    Estimation of Formation Temperature of the Noble Metal Mineralization of the Kovdor Alkaline-Ultrabasic Massif (Kola Peninsula)

    In this work, mineralogical and geochemical data are presented for sulfide-rich phoscorites and carbonatites in the Kovdor massif. The PGE and Ag-bearing mineralization of bornite–chalcopyrite and Ag‑bearing m...

    N. V. Sorokhtina, V. A. Zaitsev, S. V. Petrov… in Geochemistry International (2021)

  7. No Access

    Article

    Low-Rank Approximation Algorithms for Matrix Completion with Random Sampling

    The possibility of accelerating a projection algorithm onto dominant singular spaces in the problem of recovering a low-rank matrix from a small number of its entries is explored. The underlying idea is to rep...

    O. S. Lebedeva, A. I. Osinsky, S. V. Petrov in Computational Mathematics and Mathematical… (2021)

  8. No Access

    Article

    Platinum Content and Formation Conditions of the Sulfide PGE–Cu–Ni Nyud-II Deposit of the Monchegorsk Pluton, Kola Peninsula, Russia

    The article presents the results of studying the chemical composition of ore-bearing rocks, as well as the mineralogy of base metal sulfides and platinum group elements (PGE), of the Nyud-II sulfide PGE–Cu–Ni ...

    V. V. Chashchin, S. V. Petrov, D. V. Kiseleva, Ye. E. Savchenko in Geology of Ore Deposits (2021)

  9. No Access

    Article

    A Decision Support System for the Differential Diagnosis of Pyelonephritis in Pregnant Women Based on Immune and Oxidative Status

    Application of modern mathematical methods and information technologies for accurate differential diagnosis of various forms of pyelonephritis in pregnant women is described. The differential diagnosis is base...

    S. P. Seregin, T. N. Govorukhina, S. N. Rodionova… in Biomedical Engineering (2020)

  10. Article

    Generation and Characterization of the Monoclonal Antibody Panel Specific to the NS1 Protein of the Influenza A Virus

    The paper reports on the production of a panel of seven new monoclonal antibodies (MAbs) capable of specifically binding to the NS11–124 fragment of the influenza virus A/Puerto Rico/8/1934 (H1N1) NS1 protein in ...

    V. Z. Krivitskaya, E. V. Sorokin, T. R. Tsareva… in Applied Biochemistry and Microbiology (2018)

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  11. No Access

    Article

    Investigation of Topological and Kinetic Characteristics of Catalytic Glass Fiber Materials

    The structure and catalytic properties of glass fiber containing the oxides of transition metals were studied. Cobalt and copper ions were used to create the active part of the catalyst. The textural character...

    A. N. Petrov, R. F. Vitkovskaya, S. V. Petrov, A. M. Dregulo in Fibre Chemistry (2018)

  12. No Access

    Article

    Loypishnyun Low-Sulfide Pt–Pd Deposit of the Monchetundra Basic Massif, Kola Peninsula, Russia

    The geology of the basal-structural Loypishnyun low-sulfide Pt–Pd deposit is characterized, including its mineral composition and the peculiarities of its PGE and chalcophile-element distribution in ore. The d...

    V. V. Chashchin, S. V. Petrov, S. V. Drogobuzhskaya in Geology of Ore Deposits (2018)

  13. No Access

    Article

    New Promising Gold-Ore Objects in the Strelna Greenstone Belt, Kola Peninsula

    Data on gold ore objects in the Strelna Greenstone Belt in the southeastern Kola Peninsula are presented in the paper. The studied Vorgovy and Sergozero ore occurrences are localized in the zone of tectonic co...

    A. A. Kalinin, O. V. Kazanov, N. M. Kudryashov, G. F. Bakaev… in Geology of Ore Deposits (2017)

  14. No Access

    Article

    Cyanide detoxification by microbial consortia of natural-industrial complexes of gold heap leaching

    Microorganisms that have adapted not only to high concentrations of pollutants but also to environmental conditions develop in autochthonous microbial communities of natural-industrial complexes of gold heap l...

    M. P. Belykh, S. V. Petrov, A. Yu. Chikin… in Applied Biochemistry and Microbiology (2017)

  15. No Access

    Article

    Impact of mutations in nucleoprotein on replication of influenza virus A/Hong Kong/1/68/162/35 reassortants at different temperatures

    The nucleoprotein (NP) of influenza virus is a multifunctional RNA binding protein. The role of NP in the adaptation of influenza viruses to a host has been experimentally proved. Ambiguous data are available ...

    A. A. Pulkina, M. V. Sergeeva, S. V. Petrov, A. V. Fadeev… in Molecular Biology (2017)

  16. No Access

    Article

    Genetic diversity of bacteria adapted to cyanide-bearing compounds in the technogenic ecosystems as detected by 16S rDNA sequences

    The genetic diversity of microbial communities that developed naturally within the system of ore heap–solution of heap leaching process has been studied. The difference in the microbial community structure is ...

    M. P. Belykh, S. V. Petrov, A. Ju. Chikin… in Contemporary Problems of Ecology (2016)

  17. No Access

    Article

    Ligninolytic activity of bacteria of the genera Azospirillum and Niveispirillum

    Capacity of associative soil bacteria of the genera Azospirillum and Niveispirillum for degradation of lignin model compounds was demonstrated. Lignin and Mn peroxidases were detected in the culture liquid of the...

    M. A. Kupryashina, S. V. Petrov, E. G. Ponomareva, V. E. Nikitina in Microbiology (2015)

  18. No Access

    Article

    Trajectory analysis of the rotational dynamics of molecules

    A method for analysis of the rotational dynamics of molecular systems has been proposed on the basis of the calculation of the set of exact classical vibrational–rotational trajectories. It has been proposed t...

    S. V. Petrov, S. E. Lokshtanov in Journal of Experimental and Theoretical Physics (2015)

  19. No Access

    Article

    Comparison of Ultra-Oxidation of CO and Methane Over Catalysts Based on Glass and Basalt Fibers

    The properties of oxide catalysts on fibrous glass and basalt supports were examined. The catalysts were prepared by soaking fibers in Ni(NO3)2 solution (5%). Treating the fibrous supports with HCl solution affec...

    V. S. Federyaeva, R. F. Vitkovskaya, J. Goralski, I. Kocemba… in Fibre Chemistry (2014)

  20. No Access

    Article

    Assembly of 3D-wares with the use of wire leadouts

    Some methods of the formation of microwelds, which are most acceptable for the assembly of 3D-wares with the use of wire leadouts, have been analyzed. Some peculiarities of the bonding of inner wirings on a di...

    V. V. Zenin, A. A. Stoyanov, S. V. Petrov, S. Yu. Chistyakov in Russian Microelectronics (2014)

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