Zobrazeno 1 - 10
of 51
pro vyhledávání: '"V N, Karpov"'
Publikováno v:
Interexpo GEO-Siberia. 2:234-241
The mineral resource base of the most developed eastern part of the Novosibirsk region is considered. Information on the distributed subsoil fund and volumes of extraction of solid minerals is presented. It is shown that in the current state and in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::349424959ce92ba42038e3647ce8b38b
https://doi.org/10.33764/2618-981x-2022-2-3-234-241
https://doi.org/10.33764/2618-981x-2022-2-3-234-241
Autor:
A. M. Petreev, V. N. Karpov
Publikováno v:
Journal of Mining Science. 57:447-458
The authors address the problem connected with the determination of efficient rotary percussive drilling techniques with DTH hammers and present estimation criteria for their value ranges such that to ensure drilling at minimum energy content and wea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0595f2ca102651d99fba5f7f1589657
https://doi.org/10.1134/s1062739121030108
https://doi.org/10.1134/s1062739121030108
Autor:
N. D. Batpenov, A. M. Mamonov, V. N. Karpov, A. A. Levochkin, S. A. Baymagambetov, A. N. Batpen
Publikováno v:
Travmatologiâ i Ortopediâ Rossii, Vol 0, Iss 3, Pp 64-71 (2013)
The principles of mathematical modeling have been proposed in development and prognosing of biomechanical behavior of modified stem of hip prosthesis. We have made computer calculation of tensions and deformities of femoral component of metal stem an
Externí odkaz:
https://doaj.org/article/d77c3263361a43ca830269cb41c4aed1
Autor:
A. M. Matinyan, M. V. Peshkov, V. N. Karpov, N. G. Lozinova, P. Yu. Bulykin, E. Yu. Zmaznov, O. V. Suslova, E. P. Safonov, N. A. Alekseev
Publikováno v:
Power Technology and Engineering. 53:106-112
The basic design of the high-voltage thyristor valve developed for the Vyborg converter substation is described. The parameters of the design impulse voltage across the valve and the model of the converter bridge valve assembly are justified. It is e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aee7c07f3fa4a7820417e43c87feaeb7
https://doi.org/10.1007/s10749-019-01044-6
https://doi.org/10.1007/s10749-019-01044-6
Publikováno v:
Power Technology and Engineering. 52:352-356
The article examines circuits of modular multilevel converters, which show promise for the creation of an active filter with the functions of compensation for a reactive load current, its balancing, filtration of the highest harmonic currents, and sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfb121f0b4c5085786e3b561deed631b
https://doi.org/10.1007/s10749-018-0958-5
https://doi.org/10.1007/s10749-018-0958-5
Publikováno v:
Gornyi Zhurnal. :63-68
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81942a1574686782675a2767cda34376
https://doi.org/10.17580/gzh.2018.05.09
https://doi.org/10.17580/gzh.2018.05.09
Publikováno v:
Journal of Mining Science. 54:53-60
Water well drilling-with-casing equipment is described in the article. Construction diagrams and field test results of series-production and new drilling-with-casing DTH hammers possessing higher impact energy are analyzed. The economic study of wate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ab88ed4bff6dd12fb9d5fef210747fe
https://doi.org/10.1134/s1062739118013341
https://doi.org/10.1134/s1062739118013341
Publikováno v:
Journal of Mining Science. 53:1043-1064
Efficiency of energy-based criterion of volumetric rock destruction in estimation of drilling technology is theoretically validated and experimentally proved in in-situ rotary–percussion drilling in mines in Russia. The criterion is adapted to the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05b5309393fbc2e7363e9dd055795577
https://doi.org/10.1134/s1062739117063114
https://doi.org/10.1134/s1062739117063114
Publikováno v:
Power Technology and Engineering. 51:346-350
The phenomenon of transient ferroresonance that arises in a PTL from TCSR magnetization currents is examined. Data on the design and model of the electromagnetic part of a TCSR are given. It is shown that use of automatic reclosing of TCSR during PTL
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0076e478b121499404f2d1f7dac34681
https://doi.org/10.1007/s10749-017-0837-5
https://doi.org/10.1007/s10749-017-0837-5
Publikováno v:
Power Technology and Engineering. 51:226-229
Reasons are examined for failures of gas-insulated circuit breakers on lines with shunt reactors that provide a level of line compensation close to 100%. It is shown that using a TCSR as a linear reactor makes it possible to eliminate the reason lead
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c81d4e03f1b3aedd53aafa1ee69fd9e9
https://doi.org/10.1007/s10749-017-0814-z
https://doi.org/10.1007/s10749-017-0814-z