Search Results - "Bogatov, A"

Specific features of the VCSEL spectra under microwave current modulation by Tsygankov, E A, Zibrov, S A, Vaskovskaya, M I, Chuchelov, D S, Vassiliev, V V, Velichansky, V L, Drakin, A E, Bogatov, A P

“…The optical spectrum of a vertical-cavity surface-emitting laser under microwave frequency current modulation is asymmetric in most cases, i.e., sidebands…”
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Observations of the connection of positive and negative leaders in meter‐scale electric discharges generated by clouds of negatively charged water droplets by Kostinskiy, A. Yu, Syssoev, V. S., Bogatov, N. A., Mareev, E. A., Andreev, M. G., Bulatov, M. U., Makal'sky, L. M., Sukharevsky, D. I., Rakov, V. A.

“…Detailed observations of the connection between positive and negative leaders in meter‐scale electric discharges generated by clouds of negatively charged…”
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A comparative study of the growth dynamics and tribological properties of nanocrystalline diamond films deposited on the (110) single crystal diamond and Si(100) substrates by Podgursky, V., Bogatov, A., Yashin, M., Viljus, M., Bolshakov, A.P., Sedov, V., Volobujeva, O., Mere, A., Raadik, T., Ralchenko, V.

“…Nanocrystalline diamond (NCD) films were grown on the High Pressure High Temperature (HPHT) (110) single crystal (SC) diamond substrates by Microwave Plasma…”
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Crack Resistance of High-Strength Steel and Breakage of a Gas Pipeline by Bogatov, A. A.

“…The available methods for identifying the type of failure of a 15–20 MPa gas pipeline used to evaluate the crack resistance of X90, X100, and Х110…”
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Genotoxic effects in blood cells of sturger (Acipenseridae) grown in conditions of cage farming of the Volga delta, Russia by Konkova, A. V., Faizulina, D. R., Shirina , Yu. M., Bogatov, I. A.

“…The purpose of this work was to assess the degree of genotoxic influence of the habitat on individuals of Russian sturgeon and sterlet raised in cage farming…”
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Development of Finite-Element Modeling of Processing Metals Under Pressure Using Variational Principles of Mechanics Proposed by V. L. Kolmogorov by Bogatov, A. A.

“…On the basis of the variational principle of metal virtual stresses and flow rates in high plastic metal deformation with complex processes of hardening and…”
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Observation of a new class of electric discharges within artificial clouds of charged water droplets and its implication for lightning initiation within thunderclouds by Kostinskiy, Alexander Yu, Syssoev, Vladimir S., Bogatov, Nikolay A., Mareev, Evgeny A., Andreev, Mikhail G., Makalsky, Leonid M., Sukharevsky, Dmitry I., Rakov, Vladimir A.

“…We have observed unusual plasma formations (UPFs) in artificial clouds of charged water droplets using a high‐speed infrared camera operating in conjunction…”
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Abrupt Elongation (Stepping) of Negative and Positive Leaders Culminating in an Intense Corona Streamer Burst: Observations in Long Sparks and Implications for Lightning by Kostinskiy, A. Yu, Syssoev, V. S., Bogatov, N. A., Mareev, E. A., Andreev, M. G., Bulatov, M. U., Sukharevsky, D. I., Rakov, V. A.

“…Properties of positive and negative leaders developing in air gaps ranging from 4 to 10 m that were subjected to 100/7,500‐μs voltage impulses were examined…”
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On Capabilities of Tracking Marine Surface Currents Using Artificial Film Slicks by Kapustin, Ivan, Shomina, Olga, Ermoshkin, Alexey, Bogatov, Nikolay, Kupaev, Alexander, Molkov, Alexander, Ermakov, Stanislav

“…It is known that films on the sea surface can appear due to ship pollution, river and collector drains, as well as natural biological processes. Marine film…”
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Structure of Axial Modes of a Diode Laser with an External Cavity Containing a Volume Phase Grating by Bogatov, A. P., Drakin, A. E., Dyachkov, N. V., Mikaelyan, G. T., Panarin, V. A.

“…Based on the technique using translation matrices, the complex frequencies of the axial modes of a diode laser with an external cavity containing a phase…”
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New Method of Severe Plastic Deformation of Metals by Rudskoy, A. I., Bogatov, A. A., Nukhov, D. Sh, Tolkushkin, A. O.

“…The effect of the mechanism of plastic deformation on formation of the submicrocrystalline structure of steels is considered. It is shown that the development…”
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The Choice of Initial Conditions and of Solution in the Problem of Efficiency Increase of Pipes Calibration on a Mandrel by Salikhyanov, D., Bogatov, A., Dyja, H.

“…This research work is devoted to the theoretical study of the pipe calibration on a mandrel. The aim of the study is to improve the precision of the calibrated…”
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Antiseptic sealant and a nanocoated implant‐abutment interface improve the results of dental implantation by Zekiy, Angelina O., Makurdumyan, Diana A., Маtveeva, Elena A., Bogatov, Evgenii A., Kaliiants, Tamara V.

“…Background Clinical measures and implant design innovation to improve primary osseointegration and reduce the bacterial contamination of the peri‐implant area…”
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Investigation of Plug Rolling with Stub Mandrel Using the Finite Element Method by Pavlov, D, Bogatov, A, Pavlova, E, Dyja, H

“…The study proposed the model of “guide mark” defects formation on the internal surface of pipes, produced on PRM mills of PRP – 140. The research of pipe…”
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Digital Control of Electrically Welded Pipe Manufacturing Technology in a Tesa 20–102 Mill by Timofeev, V. B., Bogatov, A. A., Medyantsev, I. B.

“…In order to manufacture hot-reduced pipe from welded pipe billets in a continuous stretch-reducing mill (SRM) 20–102 coiled hot-rolled product is used of…”
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Development of Bonding Mechanisms for Different Materials During Forming by Bogatov, A. A., Salikhyanov, D. R.

“…In developing technology for producing bimetal and layered composite materials, considerable attention is devoted to bonding of layers and provision of a…”
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Effect of Kinematic Tension Coefficient on Wall Thickness Variation for Tube/Pipe Rolled in a Reducing Mill by Pavlov, D. A., Bogatov, A. A., Pavlova, E. A.

“…We describe the results of a study of the longitudinal and circumferential variation in pipe/tube wall thickness as a function of kinematic tension coefficient…”
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Optical Method for Determining the Microwave Current Modulation Amplitude of Diode Lasers with a Vertical Cavity by Bogatov, A. P., Vasil’ev, V. V., Vas’kovskaya, M. I., Velichanskii, V. L., Drakin, A. E., Zibrov, S. A., Sabakar’, K. M., Tsygankov, E. A., Chuchelov, D. S.

“…We describe the method for measuring the microwave current modulation amplitude of a diode laser with a vertical cavity. The method is based on comparison of…”
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High-Power Source of Narrow-Band Radiation Based on Integrated External-Cavity Laser Diodes by Panarin, V. A., Mikaelyan, G. T., Galushka, I. V., Begletsova, N. N., Zimin, I. A., Drakin, A. E., D’yachkov, N. V., Gushchik, T. I., Bogatov, A. P.

“…— A narrow-band source of 779-nm radiation with a total power above 35 W and a spectral width of no more than 0.1 nm has been obtained by integrating 24…”
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Causes of Formation and Ways of Elimination of Defects on the Internal Surface of Upset Tube Ends by Bogatov, A. A., Erpalov, M. V.

“…Causes of formation of defects on the internal surface of oil tubes with ends formed by upsetting in SMS Meer hydraulic presses are considered. Interrelated…”
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