Search Results - "Kovalchuk, A. V."

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  1. 1

    The prospect of charm quark magnetic moment determination by Fomin, A. S., Barsuk, S., Korchin, A. Yu, Kou, E., Kovalchuk, V. A., Liul, M., Natochii, A., Niel, E., Robbe, P., Stocchi, A.

    “…In this paper, we discuss the theoretical framework and the experimental measurements of the magnetic moment of the charmed baryons. We first review the…”
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  2. 2

    Investigation of the Effect of Atomic Composition on the Plasma-Chemical Etching Rate of Silicon Nitride in High-Power Transistors Based on an AlGaN/GaN Heterojunction by Garmash, V. I., Zemlyakov, V. E., Egorkin, V. I., Kovalchuk, A. V., Shapoval, S. Y.

    Published in Semiconductors (Woodbury, N.Y.) (01-08-2020)
    “…The effect of atomic composition on the rate of the plasma-chemical etching of silicon nitride in high-power transistors based on an AlGaN/GaN heterojunction…”
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  3. 3

    Electron Cyclotron Resonance Plasma Studies Using the Second Cyclotron Harmonic Resonance by Kovalchuk, A. V., Shapoval, S. Y.

    Published in Russian microelectronics (2024)
    “…Microwave plasma (generation frequency 2.45 GHz, power 200–1000 W, pressure 0.2–10 mTorr) is excited and maintained in two main modes: (1) at continuous…”
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  4. 4

    Improvement of Optoacoustic Angiographic Images Using One-Dimensional Deconvolution with Adaptive Real-Time Self-Calibration by Timanin, E. M., Mikhailova, I. S., Fiks, I. I., Kurnikov, A. A., Kovalchuk, A. V., Orlova, A. G., Ugarova, O. A., Frenz, M., Jaeger, M., Subochev, P. V.

    Published in Acoustical physics (01-12-2023)
    “…This work introduces a method of one-dimensional deconvolution with Tikhonov regularization for enhancing three-dimensional optoacoustic images in vivo. The…”
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  5. 5

    Wear-Resistant Metalloid-Containing Coatings on Steels Obtained by Thermal Diffusion Saturation and Vacuum Deposition by Konstantinov, V. M., Kovalchuk, A. V.

    Published in Nauka i tekhnika (Minsk, Belarus : 2012) (27-11-2020)
    “…New two-layer wear-resistant coatings of the composite type “thermal diffusion layer – vacuum ion-plasma coating TiAlN” have been obtained, their durometric…”
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  6. 6

    3D Femtosecond Laser Submicron Lithography as a Way of Fabricating Spiral Phase Plates for Forming Photon Beams with Orbital Angular Momentum by Demenev, A. A., Kovalchuk, A. V., Polushkin, E. A., Shapoval, S. Yu

    “…A spiral phase plate with a topological charge of 1 is fabricated via 3D femtosecond laser submicron lithography. An optical scheme based on a Michelson…”
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  7. 7

    Increase in the heat resistance of carbon steels by thermodiffusion treatment and vacuum coating application by Kovalchuk, A. V., Patseko, E. K., Tkachenko, G. A., Vereshchak, N. A.

    Published in Litʹë i metallurgiâ (16-12-2020)
    “…In this article is substantiated the hypothesis of the possibility of increasing the heat resistance of hypoeutectoid carbon steels by preliminary thermal…”
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  8. 8

    Supraventricular Tachyarrhythmias in Patients with Ebstein’s Anomaly by Stychynskyi, O. S., Almiz, P. O., Topchii, A. V., Plyska, N. V., Pokanevich, A. V., Kovalchuk, A. V.

    “…The paper analyzes the experience of catheter treatment of various types of supraventricular arrhythmias in patients with Ebstein’s abnormality (EA) – 19…”
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    Higgs boson decay to lepton pair and photon and possible non-Hermiticity of the Yukawa interaction by Kovalchuk, V. A, Korchin, A. Yu

    Published 17-06-2020
    “…Ukr. J. Phys. 62, no. 7, 557-564 (2017) The production of lepton pairs in the Higgs boson decay $h \to \ell^+ \ell^- \gamma$ is studied. The emphasis is put on…”
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  11. 11

    Hydrogen Plasma under Conditions of Electron-Cyclotron Resonance in Microelectronics Technology by Polushkin, E. A., Nefed’ev, S. V., Koval’chuk, A. V., Soltanovich, O. A., Shapoval, S. Yu

    Published in Russian microelectronics (01-06-2023)
    “…This paper presents the results of hydrogen electron-cyclotron resonance (ECR) plasma in microelectronics technology. Its effect on the radiation resistance of…”
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  12. 12

    Effects of anabolic androgenic steroid use on the risk of venous thromboembolic events: systematic literature review by Kovalchuk, A. V., Dzhenina, O. V., Lobastov, K. V.

    Published in Ambulatornaâ hirurgiâ (17-11-2024)
    “…Venous thromboembolic events (VTE) are regarded as side effects from anabolic androgenic steroids (AAS), however, systematic data on this matter are missing…”
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  13. 13

    Model-independent analysis of CP violation effects in decays of the Higgs boson into a Pair of the W and Z bosons by Koval’chuk, V. A.

    “…Effects of CP and T invariance violation are studied in the most general interaction of the Higgs boson with the intermediate vector W ± and Z bosons. Various…”
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  14. 14

    The prospect of charm quark magnetic moment determination by Fomin, A. S, Barsuk, S, Korchin, A. Yu, Kovalchuk, V. A, Kou, E, Liul, M, Natochii, A, Niel, E, Robbe, P, Stocchi, A

    Published 10-09-2019
    “…In this paper, we discuss the theoretical framework and the experimental measurements of the magnetic moment of the charm baryons. The $\Lambda_c^+$ magnetic…”
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    Journal Article
  15. 15

    The effect of steel substrate pre-hardening on structural, mechanical, and tribological properties of magnetron sputtered TiN and TiAlN coatings by Komarov, F.F., Konstantinov, V.M., Kovalchuk, A.V., Konstantinov, S.V., Tkachenko, H.A.

    Published in Wear (15-04-2016)
    “…The effect of pre-hardening of steel substrate on mechanical and tribological properties of TiN and TiAlN coating–steel substrate composites was studied for…”
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    Face recognition using “lateral inhibition” function features by Sokolov, M. E., Tel’nykh, A. A., Koval’chuk, A. V., Bellyustin, N. S., Nuidel’, I. V., Yakhno, V. G.

    Published in Optical memory & neural networks (01-03-2009)
    “…We constructed a universal system for object recognition, which uses preliminary training based on sample images of “objects” and “non-objects.” The images are…”
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  18. 18

    Biomedical Optoacoustic Tomograph Based on a Cylindrical Focusing PVDF Antenna by Subochev, P.V., Postnikova, A. S., Koval’chuk, A.V., Turchin, I. V.

    Published in Radiophysics and quantum electronics (01-08-2017)
    “…We developed an optoacoustic tomograph with hand-held probe designed for optoacoustic imaging of biological tissues. The hand-held probe consists of a…”
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    Antiviral effectiveness of the combined use of amixine and virasole in experimental hemorrhagic fever with renal syndrome in sucking albino mice by Loginova, S Ia, Koval'chuk, A V, Borisevich, S V, Kopylova, N K, Pashchenko, Iu I, Khamitov, R A, Maksimov, V A, Shuster, A M

    Published in Voprosy virusologiĭ (01-11-2005)
    “…The antiviral effectiveness of the combined and single use of superlow-dose amixine and virasole on the course of experimental hemorrhagic fever with renal…”
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