Zobrazeno 1 - 10
of 39
pro vyhledávání: '"I. N. Karelin"'
Autor:
I. N. Karelin
Publikováno v:
Vestnik NSUEM. :168-180
The efficiency of human capital (HC) performance is not homogeneous and depends on the economic and geographical features of the territories under consideration. The article discusses some of the features of assessing the effectiveness of human capit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5bc0bc177a5a87dea9ff9931bd2fc29
https://doi.org/10.34020/2073-6495-2021-1-168-180
https://doi.org/10.34020/2073-6495-2021-1-168-180
Publikováno v:
Russian Engineering Research. 41:206-210
Geometric analysis of the flow path in pipeline gate and ball valves permits identification of the zone where the abrasive pollutant flux is most intense. The speed of this flux contributes greatly to its aggressiveness. Recommendations are made for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5712ac8348a2a9f8f73cfe3e7d09870b
https://doi.org/10.3103/s1068798x21030072
https://doi.org/10.3103/s1068798x21030072
Autor:
V. V. Melnikov, I. N. Karelin
Publikováno v:
Vestnik NSUEM. :162-174
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6beae5dbb8209e85b5e9ed3411698926
https://doi.org/10.34020/2073-6495-2019-3-162-174
https://doi.org/10.34020/2073-6495-2019-3-162-174
Autor:
V. D. Sedykh, I. N. Karelin
Publikováno v:
Russian Engineering Research. 38:36-39
Analysis of the patent for a wear-resistant knuckle bend in a gas–oil pipeline shows that one of the claims presented there is incorrect. Theoretically, it is established that the introduction of a protective vane within the knuckle bend improves t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d32491e47684a1a355b001ec214035c1
https://doi.org/10.3103/s1068798x18010124
https://doi.org/10.3103/s1068798x18010124
Autor:
I. N. Karelin
Publikováno v:
Russian Engineering Research. 37:87-90
Analysis of the design of pipeline control valves permits the development of a new system for regulation of the flow cross section in the valve.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2358a4890e3d3bbe2b4d8bad3b63b95
https://doi.org/10.3103/s1068798x17020101
https://doi.org/10.3103/s1068798x17020101
Autor:
I N Karelin, G P Litvintseva
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 953:012058
Digital transformation influenced not only economic branches and markets, but also people’s quality of life in different regions of the country. The purpose of the research is to evaluate people’s digital quality of life and to define its interco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e7c3c2726a30e1a81053966c3ba6c28
https://doi.org/10.1088/1757-899x/953/1/012058
https://doi.org/10.1088/1757-899x/953/1/012058
Publikováno v:
Chemical and Petroleum Engineering. 49:351-354
A production scheme for the fabrication of a protective blade of an elbow is analyzed. It is demonstrated that the simplest process (bending of a steel strip over a cylinder), which makes it possible to easily install a blade within the elbow, does n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dbbeee5607c75680c9327a10062ae6e
https://doi.org/10.1007/s10556-013-9754-0
https://doi.org/10.1007/s10556-013-9754-0
Autor:
D. Yu. Dyskin, I. N. Karelin
Publikováno v:
Chemical and Petroleum Engineering. 46:741-748
In this article, the methodological principle of separation of functions in designs of gas and oil pipeline devices (gate valves, cocks, valves, fittings, etc.) is formulated for conditions of operation in polluted working media and the trends of app
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfef319435677c652a9790c48ee44d3e
https://doi.org/10.1007/s10556-011-9411-4
https://doi.org/10.1007/s10556-011-9411-4
Autor:
I. N. Karelin
Publikováno v:
Journal of Friction and Wear. 31:214-227
The paper deals with the solution of a topical problem of selecting protective ceramic materials to improve the service life of parts of gas-and-oil and other equipment that experience abrasive erosion. The available theoretical and experimental meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7f0aac7c5b1e7f3be9907f4a2712da4
https://doi.org/10.3103/s1068366610030104
https://doi.org/10.3103/s1068366610030104
Autor:
I. N. Karelin
Publikováno v:
Chemical and Petroleum Engineering. 44:312-316
Characteristic examples of the failure of a banded pipeline in systems employed for the cleaning of natural gas in an underground reservoir are demonstrated. A technical solution specifying that a lateral from a steel pipeline be fitted with a protec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fefff0b48b38a63da28926cf3226ad3
https://doi.org/10.1007/s10556-008-9055-1
https://doi.org/10.1007/s10556-008-9055-1