Search Results - "Levchenko, V. I."
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1
Assessing cows' mobility to determine their comfort state
Published in Regulatory mechanisms in biosystems (23-04-2024)“…Milk production and breeding of highly productive cows using modern innovative technologies have led to specific unfavorable combinations of technological…”
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2
Accurate method for the measurement of absorption cross sections of solid-state saturable absorbers
Published in Applied physics. B, Lasers and optics (01-04-2002)“…A rigorous approach taking into account both the temporal and spatial distributions of the pulsed probe beam used for transmission measurements of solid-state…”
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3
Rail production from converter steel
Published in Steel in translation (01-06-2012)“…A production technology is developed for converter-steel rail at PAO MK Azovstal’. This technology includes converter casting of steel, treatment in a…”
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4
Change in X80 steel plate mechanical properties during pipe manufacture
Published in Metallurgist (New York) (01-11-2012)“…The effect of pipe processing on mechanical properties is studied for rolled plate 15.3, 18.4, and 22.0 mm thick of X80 steel during manufacture of LSAW gas…”
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5
Influence of pipe processing on the mechanical properties of K60 steel sheet
Published in Steel in translation (01-06-2012)“…The mechanical properties of thick steel sheet (13–27 mm) produced at PAO MK Azovstal’ and the basic metal in K60 pipe (diameter 1220 mm) for the VSTO pipeline…”
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6
Chemical interaction of InAs, InSb, GaAs, and GaSb crystals with aqueous (NH4)2Cr2O7–HBr solutions
Published in Inorganic materials (2017)“…We have studied the nature and kinetics of the chemical interaction of InAs, InSb, GaAs, and GaSb crystals with aqueous (NH 4 ) 2 Cr 2 O 7 –HBr solutions. The…”
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7
Chemical interaction of InAs, InSb, GaAs, and GaSb with (NH4)2Cr2O7–HBr–C4H6O6 etching solutions
Published in Inorganic materials (2017)“…This paper presents results on the kinetics and mechanism of the physicochemical interaction of InAs, InSb, GaAs, and GaSb semiconductor surfaces with (NH 4 )…”
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8
Heteroepitaxy of PbS on porous silicon
Published in Thin solid films (06-07-1999)“…Epitaxial PbS films were grown by molecular-beam epitaxy (MBE) on the surface of porous silicon (PS) formed on the silicon substrate of (111) orientation. The…”
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9
Chemical interaction of InAs, InSb, GaAs, and GaSb crystal surfaces with (NH4)2Cr2O7–HBr–citric acid etching solutions
Published in Inorganic materials (2017)“…We have studied the chemical dissolution of InAs, InSb, GaAs, and GaSb crystals in (NH 4 ) 2 Cr 2 O 7 –HBr–C 6 H 8 O 7 solutions. The dissolution rate of the…”
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10
CHEMICAL DISSOLUTION InAs, InSb, GaAs AND GaSb IN THE (NH4)2Cr2O7−HBr−H2O ETCHING COMPOSITIONS
Published in Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ (01-09-2017)“…The features of InAs, InSb, GaAs, and GaSb dissolution in the (NH4)2Cr2O7−HBr−H2O etching compositions have been investigated. The chemical-dynamic polishing…”
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11
Removing a blast furnace from service
Published in Metallurgist (New York) (2009)“…This article examines methods that can be used to blow out blast furnaces for class-I overhauls or permanent shutdown. An analysis is made of the probability…”
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12
Producing high-basicity sinter from low-silica ore
Published in Steel in translation (01-07-2008)“…Experience at OAO MK Azovstal in the production and blast-furnace use of sinter of basicity 1.74 is described. The sinter is produced using unique low-silica…”
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13
Efficient laser operation and continuous-wave diode pumping of Cr2+ :ZnSe single crystals
Published in Applied physics. B, Lasers and optics (2001)“…Efficient continuous-wave laser operation of Cr:ZnSe was demonstrated with an output power of 1400 mW at an absorbed pump power of 1900 mW from a Tm:YAG laser…”
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14
Steel plate Kh80 with high impact strength for gas pipelines
Published in Metallurgist (New York) (01-09-2012)“…At the Azovstal Metallurgical Combine together with the Bardin Central Research Institute of Ferrous Metallurgy a sheet steel up to 25 mm thick alloy system,…”
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15
Saturable absorbers for passive Q-switching of erbium lasers emitting in the region of 3 μm
Published in Journal of applied spectroscopy (01-11-2005)“…The phototropic properties of Fe:ZnSe, Co:ZnSe, and Co:ZnS single crystals have been investigated. It is shown that these crystals can be used to advantage as…”
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16
POSSIBLE APPROACHES TO THE DEVELOPMENT AND USING OF VISUAL MEANS OF TEACHING INFORMATICS WITH THE APPLICATION OF THE TECHNOLOGY OF AUGMENTED REALITY AT THE SECONDARY SCHOOL
Published in Vestnik Rossiĭskogo universiteta druzhby narodov. Serii͡a︡ Informatizat͡s︡ii͡a︡ obrazovanii͡a (01-12-2017)“…The article discusses the need for and possibility of augmented reality technologies in teaching the course of computer science primary school, as well as the…”
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17
EPITAXIAL FILMS OF ZINC SELENIDE ON POROUS SILICON
Published in Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki (01-06-2019)“…ZnSe epitaxial films are grown on (111)- and (100)-oriented Si substrates with a porous buffer layer by the thermal evaporation of ZnSe compound. The crystal…”
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18
The impact of trade liberalization on economic growth in MERCOSUR countries
Published in Vestnik Rossiĭskogo universiteta druzhby narodov. Serii͡a︡ Ėkonomika (01-03-2012)“…This study intends to evaluate the impact of trade liberalisation on economic growth; import tariff is used as a proxy for underlying liberalisation. An…”
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19
Methodical features of training to the information technology of pupils of the basic school
Published in Vestnik Rossiĭskogo universiteta druzhby narodov. Serii͡a︡ Informatizat͡s︡ii͡a︡ obrazovanii͡a (01-03-2012)“…In work problems and the basic approaches to training to an information technology in conditions фундаментализации formations, obligatory stages and sequence…”
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INVARIANT PRACTICAL TASKS FOR WORK WITH ELECTRONIC SPREADSHEETS AT THE SECONDARY SCHOOL
Published in Vestnik Rossiĭskogo universiteta druzhby narodov. Serii͡a︡ Informatizat͡s︡ii͡a︡ obrazovanii͡a (01-12-2016)“…In article examples of practical jobs on creation and editing electronic spreadsheets for pupils of the main school are given. For fixing of knowledge and…”
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