Zobrazeno 1 - 10
of 226
pro vyhledávání: '"A. Yu. Stepanov"'
Autor:
A. Yu. Stepanov
Publikováno v:
Ибероамериканские тетради, Vol 0, Iss 3, Pp 59-64 (2019)
The article provides the overview of military-technical cooperation (MTC) of theRussian Federationwith Latin American countries, its main trends and impact on bilateral political and economic relations withVenezuela,PeruandBrazil. After the collapse
Externí odkaz:
https://doaj.org/article/daead0bd06e449deb8d9b733c9692eb6
Autor:
Dmitry Yu. Stepanov, Yuri V. Dontsov, Sergey V. Panin, Dmitry G. Buslovich, Vladislav O. Alexenko, Svetlana A. Bochkareva, Andrey V. Batranin, Pavel V. Kosmachev
Publikováno v:
Polymers, Vol 16, Iss 18, p 2601 (2024)
The aim of this study was to optimize a set of technological parameters (travel speed, extruder temperature, and extrusion rate) for 3D printing with a PEEK-based composite reinforced with 30 wt.% glass fibers (GFs). For this purpose, both Taguchi an
Externí odkaz:
https://doaj.org/article/600e4de9fc2b4e6daf28834104d4be77
Autor:
Dmitry I. Grachev, Igor V. Zolotnitsky, Dmitry Yu. Stepanov, Alexander A. Kozulin, Magomet Sh. Mustafaev, Aslan V. Deshev, Dmitriy S. Arutyunov, Islam V. Tlupov, Sergey V. Panin, Sergey D. Arutyunov
Publikováno v:
Dentistry Journal, Vol 11, Iss 11, p 265 (2023)
In this study, a methodology was developed for ranking manufacturing technologies of removable complete dentures (RCDs) according to the results of their full-scale mechanical tests. The actuality of the study is motivated by establishing the advanta
Externí odkaz:
https://doaj.org/article/033678de51b94cee94af0db915c2e303
Autor:
Ivan F. Chayka, Vadim S. Kamenetsky, Nikolay V. Vladykin, Alkiviadis Kontonikas-Charos, Ilya R. Prokopyev, Sergey Yu. Stepanov, Stepan P. Krasheninnikov
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
Abstract The discrepancy between Na-rich compositions of modern carbonatitic lavas (Oldoinyo Lengai volcano) and alkali-poor ancient carbonatites remains a topical problem in petrology. Although both are supposedly considered to originate via fractio
Externí odkaz:
https://doaj.org/article/e2cc1931559e4d4cbfd106942aa7ef98
Autor:
Vladislav O. Alexenko, Sergey V. Panin, Dmitry Yu. Stepanov, Anton V. Byakov, Alexey A. Bogdanov, Dmitry G. Buslovich, Konstantin S. Panin, Defang Tian
Publikováno v:
Materials, Vol 16, Iss 5, p 2115 (2023)
The optimal mode for ultrasonic welding (USW) of the “PEEK–ED (PEEK)–prepreg (PEI impregnated CF fabric)–ED (PEEK)–PEEK” lap joint was determined by artificial neural network (ANN) simulation, based on the sample of the experimental data
Externí odkaz:
https://doaj.org/article/33ce008e329e4f0bb4214a3576a34f42
Publikováno v:
Materials, Vol 15, Iss 19, p 6939 (2022)
The aim of this study is to substantiate the use machine learning methods to optimize a combination of ultrasonic welding (USW) parameters for manufacturing of multilayer lap joints consisting of two outer PEEK layers, a middle prepreg of unidirectio
Externí odkaz:
https://doaj.org/article/ca7c6de0da654e46a867454ee3511f7c
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 330, Iss 1, Pp 88-97 (2019)
The relevance. When solving inverse geophysical problems, the important task is to construct petrophysical parameters volumetric models. The greatest difficulties in developing the methods for solving this problem are determined by the inhomogeneity
Externí odkaz:
https://doaj.org/article/63e71ed0eb2f49a1868c3b9953e80f0c
Publikováno v:
Moscow University Bulletin. Series 4. Geology. :85-96
The results of the application of the variational ray tracing algorithm to study the possibilities and limitations of one of the methods for solving the inverse kinematic problem of seismic exploration — the method of homogeneous functions develope
Autor:
P. Yu. Stepanov, Ju. A. Gomanyuk
Publikováno v:
Moscow University Bulletin. Series 4. Geology. :167-178
A variational method of mathematical modeling of seismic wave kinematics has been developed at the Department of Seismometry and Geoacoustics of the Faculty of Geology of Lomonosov Moscow State University for studying the kinematics of seismic waves
Publikováno v:
Doklady Earth Sciences. 507:1057-1063