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  1. No Access

    Article

    Renewal Band Structure in Deep Convective Storms

    Based on several examples of radar observations in the North Caucasus and the Republic of Moldova, the renewal of deep convective cloud systems (storms) due to feeder clouds are investigated. It is shown that ...

    E. M. Livshits, V. I. Petrov in Russian Meteorology and Hydrology (2023)

  2. No Access

    Article

    Rational Technology for Separation of Rare-Earth Elements of the Yttrium Group

    The features of the extraction technology for the separation of rare-earth elements (REEs) of the yttrium group are considered with regard to the sharp reduction in the price of individual oxides. The price re...

    A. V. Valkov, V. I. Petrov in Russian Journal of Non-Ferrous Metals (2022)

  3. No Access

    Article

    The Isotope Shift Suppression in NMR-based Balanced Quantum Rotation Sensor

    Designing a compact balanced quantum rotation sensor (gyroscope) based on nuclear magnetic resonance in xenon is one of the most urgent and promising tasks in modern metrology. The ultimate accuracy of the sen...

    V. I. Petrov, A. K. Vershovskii in Gyroscopy and Navigation (2022)

  4. No Access

    Article

    Cracking During the Formation of Chromium-Based Surface Alloys by a Low-Energy High-Current Electron Beam

    The results of crack formation in a Cr–Zr surface alloy formed by a low-energy high-current electron beam are presented. The morphology and elemental composition of the surface alloy in the area of crack forma...

    E. V. Yakovlev, A. V. Solovyev, A. B. Markov, E. A. Pesterev… in Russian Physics Journal (2022)

  5. No Access

    Article

    Adhesive Strength of Ni–Cu Surface Alloy Formation by Low-Energy High-Current Electron Beam

    The paper presents the adhesive strength measurements of the Ni–Cu surface alloy formed on a copper substrate at a different thickness of the transition layer. The formation of the surface alloy is provided by...

    E. V. Yakovlev, A. B. Markov, D. A. Shepel, V. I. Petrov… in Russian Physics Journal (2021)

  6. No Access

    Article

    Mycobacterium vaccae Lysate Induces Anti-Allergic Immune Response In Vitro

    Mycobacterium vaccae is a soil saprophyte which exerts anti-allergic properties. There are data that mechanism of action of M. vaccae when used in the treatment of human and animal allergic diseases is associated...

    A. V. Strygin, P. P. Nesmiyanov… in Bulletin of Experimental Biology and Medic… (2020)

  7. No Access

    Article

    Modeling of the Dimensional Dependence of NMR Isotope Shift in Xenon

    Reduction of optical quantum sensors in size, including nuclear magnetic resonance (NMR) gyroscopes, implies primarily downsizing of the working gas cell. This paper considers the dependence of isotope shift i...

    A. K. Vershovskii, V. I. Petrov in Gyroscopy and Navigation (2020)

  8. No Access

    Article

    Effects of a New Benzimidazole Derivative with Actoprotective Properties on Spermatogenic Epithelium of the Testes and Fertility of Male White Rats

    The effects of a new derivative of benzimidazole (K-134) in doses of 5 and 50 mg/kg on the spermatogenesis and fertilizing ability of spermatozoa were studied on male rats. It was found that 2-month course tre...

    L. I. Bugaeva, E. A. Kuzubova, V. I. Petrov… in Bulletin of Experimental Biology and Medic… (2020)

  9. No Access

    Article

    A Two-Frequency Spin Oscillation System for a Quantum Angular Rate Sensor

    The features of a feedback loop in a quantum sensor with a two-frequency spin oscillator are discussed. Engineering solutions that ensure stable two-frequency oscillation and, in particular, the use of automat...

    G. V. Bezmen, A. N. Shevchenko, P. N. Kostin, A. N. Berzeitis… in Gyroscopy and Navigation (2020)

  10. No Access

    Article

    Geoinformational Analysis of Desertification of the Northwestern Caspian

    Analysis of the dynamics of modern desertification of the Northwestern Caspian with the use of geoinformation technologies and aerospace data showed that the area of degraded and desertified lands in the regio...

    K. N. Kulik, V. I. Petrov, V. G. Yuferev, N. A. Tkachenko… in Arid Ecosystems (2020)

  11. No Access

    Article

    The Synthesis of Ni–Al Surface Alloy by Low-Energy, High-Current Electron Beam Irradiation of Composite Coating

    The paper presents research results of the synthesis of Ni–Al surface alloy performed in a single vacuum cycle via magnetron sputtering of Ni (0.5 μm)–Al (1.5 μm)–Ni (0.5 μm) composite coating onto a steel sub...

    A. B. Markov, E. V. Yakovlev, D. A. Shepel’, A. V. Solov’ev… in Russian Physics Journal (2019)

  12. No Access

    Article

    Quantitative Determination of Ivabradine and Its N-Demethylated Metabolite in Volunteer Blood and Urine

    An HPLC method was developed for quantitative determination and pharmacokinetic analysis of ivabradine and its N-demethylated metabolite using the new internal standard domperidone. The method is highly sensit...

    L. A. Smirnova, B. E. Tolkachev, A. F. Ryabukha… in Pharmaceutical Chemistry Journal (2019)

  13. No Access

    Article

    The Nature of the Effect of Precession-Frequency Mismatch between 129Xe and 131Xe Nuclei under Spin-Exchange Pum** by Alkali-Metal Atoms

    The effect of precession-frequency mismatch between 129Xe and 131Xe xenon-isotope nuclei, which arises under spin-exchange pum** by optically oriented alkali-metal (Cs) atoms and affects the characteristics of ...

    A. K. Vershovskii, A. S. Pazgalev, V. I. Petrov in Technical Physics Letters (2018)

  14. No Access

    Article

    On the 30th Anniversary of the “General Plan to Combat Desertification of Black Lands and Kizlyar Pastures”

    This paper reviews the main historical stages of the development and implementation of the largest environmental project of the late 20th century—the “General Plan to Combat Desertification of Black Lands and ...

    K. N. Kulik, V. I. Petrov, A. S. Rulev, O. Yu. Kosheleva… in Arid Ecosystems (2018)

  15. No Access

    Article

    Description of Mössbauer Spectra Including the Square of the Lorentzian

    Application of a linear combination of the Lorentzian function and its square has led to better description of Mössbauer spectra obtained using a resonance detector, compared with description using a simple Lo...

    V. I. Petrov, S. S. Martynenko, N. D. Khmelevskaya in Journal of Applied Spectroscopy (2018)

  16. No Access

    Article

    Liquid-Phase Surface Alloying of Copper with Stainless Steel Using Low-Energy, High-Current Electron Beam

    The paper deals with the formation of the stainless steel-copper surface alloy which occurs during the single vacuum cycle. Deposition of the stainless steel film onto a copper substrate is performed via succe...

    A. B. Markov, E. V. Yakovlev, D. A. Shepel’, V. I. Petrov… in Russian Physics Journal (2017)

  17. No Access

    Article

    Mössbauer monitoring of alloys homogeneity

    The possibility of monitoring structure homogeneity has been studied by the method of Mössbauer spectroscopy with a resonance detector on the example of beryllium alloys, containing from 0.09 to 0.8 wt.% iron ...

    Yu. A. Lauer, V. I. Petrov, S. S. Martynenko in Hyperfine Interactions (2017)

  18. No Access

    Article

    Secondary particles precipitates in Be-Fe alloys

    Mössbauer spectra of monocrystalline Be-Fe alloy (0.85 % Fe) were obtained with the use of resonant detector after isothermal annealing at 600 °C for total duration of 2659 hours, and Mössbauer spectra of coar...

    V. P. Filippov, V. I. Petrov, S. S. Martynenko, V. A. Salomasov in Hyperfine Interactions (2016)

  19. No Access

    Article

    Preclinical Toxicological Study of Release-Active Preparations for Prediction of Their Pharmacological Activity and Side Effects

    We studied chronic toxicity of a few release-active preparations: Dietressa (release-active preparation of affinity-purified antibodies to type 1 cannabinoid receptor), Divasa (releaseactive preparation contai...

    E. S. Zhavbert, E. I. Surkova… in Bulletin of Experimental Biology and Medic… (2016)

  20. No Access

    Article

    Line shape of Mössbauer spectra obtained with the use of a resonant detector

    It is shown that the spectrum registered by a resonant detector can be described as a linear combination of the Lorentzian line and the square of the Lorentzian line.

    V. P. Filippov, Yu. A. Lauer, V. I. Petrov in Hyperfine Interactions (2016)

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