Search Results - "Ul’yanov, A. V."

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  1. 1

    Several Features of the Directional Radiation of a Plane Aperture Excited by a Ultrawideband Signal by Ostashev, V. E., Ul’yanov, A. V.

    “…Several problems of the analysis of parameters characterizing directional character of the aperture radiation under excitation by an ultrawideband signal are…”
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  2. 2

    Energy Conversion Efficiency in an Ultrawideband Pulse Emitter by Ostashev, V. E., Ul’yanov, A. V., Fedorov, V. M.

    “…A calculation model of a plane aperture with nonuniform asynchronous excitation is constructed. The calculated results are in good agreement with the…”
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  3. 3

    Neutron Reflectometry in Russia: Current State and Prospects by Bodnarchuk, V. I., Boulkin, A. P., Kravtsov, E. A., Pleshanov, N. K., Syromyatnikov, V. G., Ul’yanov, V. A.

    Published in Crystallography reports (01-02-2022)
    “…The review is devoted to the current state of affairs and prospects for development in the field of neutron reflectometry on the existing and future neutron…”
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  4. 4

    Research Reactor PIK: The First Experiments by Kovalchuk, M. V., Voronin, V. V., Gavrilov, S. V., Gartvik, A. V., D’yachkov, M. V., Ipatov, D. A., Matveev, V. A., Tarnavich, V. V., Ul’yanov, V. A.

    Published in Crystallography reports (01-10-2022)
    “…The parameters and current status of development of the highest-power neutron source of the PIK research reactor (Petersburg Nuclear Physics Institute named by…”
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  5. 5

    A Radiophysical Method for Studying Deformation of Ultrawideband Pulses during Propagation in the Atmosphere by Bukin, V. V., Dolmatov, T. V., Efanov, M. V., Lebedev, E. F., Ostashev, V. E., Ul’yanov, A. V., Fedorov, V. M., Shurupov, M. A.

    Published in Technical physics letters (01-10-2022)
    “…Field experiments were carried out to measure ultrawideband subnanosecond radiation pulses in the time domain, taking into account the influence of reflection…”
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  6. 6

    Physicochemical Grounds for Application of Schungite for Neutralization of 1,1-Dimethylhydrazine in Wastewater by Ul’yanov, A. V., Polunina, I. A., Polunin, K. E., Buryak, A. K.

    “…Chromatography–mass spectrometry and MALDI mass spectrometry have been used to study the interaction of 1,1-dimethylhydrazine and products of its oxidation…”
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  7. 7

    Interaction of S,N-Derivatives of Alkylhydrazines with Carbon Sorbents by Polunin, K. E., Matyushin, D. D., Ul’yanov, A. V., Polunina, I. A., Buryak, A. K.

    “…S,N-derivatives of alkylhydrazines, including 1,1-dimethylhydrazine, have been synthesized for the quantitative analysis of trace impurities of hydrazines in…”
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  8. 8

    Adsorption Properties of Thiocontaining Schungite by Ul’yanov, A. V., Polunina, I. A., Polunin, K. E., Buryak, A. K.

    “…Chromatography–mass spectrometry and thermodesorption mass spectrometry have been employed to study mineral schungite-III, in which various thiocompounds have…”
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  9. 9

    Generation of acoustic waves by cw laser radiation at the tip of an optical fiber in water by Yusupov, V. I., Konovalov, A. N., Ul’yanov, V. A., Bagratashvili, V. N.

    Published in Acoustical physics (01-09-2016)
    “…We investigate the specific features of acoustic signals generated in water under the action of cw laser radiation with a power of 3 W at wavelengths of 0.97,…”
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  10. 10

    Simulation and Hydrodynamic Characteristics of the Motion of a Melt in a Ladle by Tokarnikova, O. V., Ul’yanov, V. A., Korovin, V. A.

    Published in Metallurgist (New York) (01-07-2018)
    “…We analyze the processes of modification and refinement of a melt in a casting ladle from the viewpoint of the nature, possibilities, and efficiency of their…”
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  11. 11

    Study of the Products of the Mechanochemical Activation of Teflon in a Mixture with Metals by Chromatography-Mass Spectrometry and Thermodesorption Mass Spectrometry by Ul’yanov, A. V., Tataurova, O. G., Popov, D. A., Toporov, Yu. P., Malkin, A. I., Buryak, A. K.

    “…Mass spectrometry and chromatography are used to study the decomposition products of Teflon mixtures of the “Fluralite-4” brand with magnesium, tungsten, and…”
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  12. 12

    Special Features of the Interaction between Asymmetric Dimethylhydrazine and Thiocontaining Schungite by Ul’yanov, A. V., Zenkevich, I. G., Polunina, I. A., Polunin, K. E., Buryak, A. K.

    “…The interaction between asymmetric dimethylhydrazine and thiocontaining mineral schungite-III has been studied. Chromatography–mass spectrometry has been used…”
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  13. 13

    Methods of Feedback Arrangement for Smart Surgical Systems Based on Fiber Lasers by Dmitriev, A. K., Konovalov, A. N., Kortunov, V. N., Ul’yanov, V. A.

    Published in Biomedical engineering (01-05-2019)
    “…The potentials of using various physical principles of feedback in fiber laser-based surgical systems were investigated. Different ways of providing feedback…”
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  14. 14

    Heating of Energetic Materials by Continuous-Wave Near-IR Laser Radiation by Bachurin, L. V., Kolesov, V. I., Konovalov, A. N., Ul’yanov, V. A., Yudin, N. V.

    Published in Combustion, explosion, and shock waves (01-07-2018)
    “…The heating of energetic materials by the radiation of fiber-coupled continuously-pumped lasers at near IR-wavelengths of 0.98, 1.56, and 1.94 μ m was studied…”
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  15. 15

    Soft ionization mass spectrometry for studying desorption of bioactive compounds from a shungite surface by Polunin, K. E., Goncharova, I. S., Ul’yanov, A. V., Polunina, I. A., Buryak, A. K.

    “…Ionized products of desorption of biologically active amino compounds (1,1-dimethylhydrazine, diglycine, tyrosine, and tryptophan) from the surface of a…”
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  16. 16

    Corrosion Monitoring of Pipelines of Heat-Supply Systems Based on Gravimetric and Electrochemical Methods of Analysis by Kozlova, T. V., Lipkin, S. M., Lipkina, T. V., Lipkin, M. S., Breslavets, V. P., Shishka, N. V., Ul’yanov, A. V.

    “…The aim of this work is to investigate the possibility of the application of the procedure for the prediction of the rate of corrosion for internal surfaces of…”
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  17. 17

    Empirical Evaluation of the Transient Response of an Aperture Antenna When It Is Excited by a Video Pulse by Ostashev, V. E., Ul’yanov, A. V.

    “…A method of empirical evaluation of the transient response of an aperture-type antenna when it is excited by a video pulse has been proposed. The evaluation…”
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  18. 18

    Predicting gas-defect formation on changing the investment-casting technology by Leushin, I. O., Ul’yanov, V. A., Leushina, L. I.

    Published in Steel in translation (01-11-2013)
    “…The prediction of gas-defect formation in the low-temperature firing of shell molds prior to the introduction of steel melt is considered. The likelihood of…”
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  19. 19

    Systematic Errors When Determining the Parameters of the Spectrum of Light-Emitting Diodes Using Two Photoreceivers by Sergeev, V. A., Rogov, V. N., Ul’yanov, A. V.

    Published in Measurement techniques (01-07-2013)
    “…A method for the operational determination of the wavelength of radiation at the maximum of the spectrum of a light-emitting diode and the width of the…”
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  20. 20

    Thermolysis of Artificial Polymer Stones. Part 2. Acrylic Stones of Different Compositions by Ul’yanov, A. V., Polunina, I. A., Buryak, A. K.

    Published in Russian Journal of Physical Chemistry A (01-07-2024)
    “…Thermolysis of acrylic artificial stones of various brands was studied by thermal desorption mass spectrometry. The energies of the observed processes were…”
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