Zobrazeno 1 - 10
of 353
pro vyhledávání: '"N I Petrov"'
Autor:
O. Panchuk
Publikováno v:
Bulletin of Taras Shevchenko National University of Kyiv. History. :32-37
The aim of the paper is to analyze the activities of Professor of the Kyiv Theological Academy, academician of the National Academy of Sciences of Ukraine N. I. Petrov on the organization of collections of the Kyiv Church Archaeological Museum. On th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02a4736998bf7652bd4749c847f1cbef
https://doi.org/10.17721/1728-2640.2019.141.7
https://doi.org/10.17721/1728-2640.2019.141.7
Publikováno v:
Новые технологии, Vol 19, Iss 1, Pp 91-102 (2023)
Sugar sorghum is mainly used for green fodder, haylage and silage. The accumulation of sugars occurs throughout the growing season. The relevance of the study is to identify a high-yielding variety or hybrid of sugar sorghum containing a large amount
Externí odkaz:
https://doaj.org/article/fe31f2f45a544d67943fddd899b6faf9
Autor:
N. I. Petrov
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
Abstract X-ray and γ-ray emissions observed in lightning and long sparks are usually connected with the bremsstrahlung of high-energy runaway electrons. Here, an alternative physical mechanism for producing X-ray and gamma-ray emissions caused by th
Externí odkaz:
https://doaj.org/article/8caf727078d44ddda46f0062877754ff
Autor:
Haliv, Mykola Dmitrovich
Publikováno v:
Traektoriâ Nauki / Path of Science. 4(05):3009-3019
Externí odkaz:
https://www.ceeol.com/search/article-detail?id=666873
Autor:
N. I. Petrov, Yu. L. Lavrentyev
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 17, Iss 2, Pp 154-163 (2018)
The article reviews domestic and foreign methods of estimating heat generation in angular contact ball bearings. Models for general-purpose bearings and for aviation angular contact ball bearings are considered. Models adopted at bearing manufacturer
Externí odkaz:
https://doaj.org/article/9498d507598744c1baa351979e9924a9
Autor:
Mykola Haliv
Publikováno v:
Path of Science; Vol 4, No 5 (2018); 3009-3019
Traektoriâ Nauki; Vol 4, No 5 (2018); 3009-3019
Traektoriâ Nauki, Vol 4, Iss 5, Pp 3009-3019 (2018)
Traektoriâ Nauki; Vol 4, No 5 (2018); 3009-3019
Traektoriâ Nauki, Vol 4, Iss 5, Pp 3009-3019 (2018)
Статья посвящена научному творчеству известного российского и украинского историка, языковеда, педагога, археографа, археолога, профес
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::041f5feb45ff2e726609616baec7e7b2
https://doi.org/10.22178/pos.34-5
https://doi.org/10.22178/pos.34-5
Autor:
N. I. Petrov
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-15 (2019)
Scientific Reports
Scientific Reports
A plane monochromatic wave propagates in vacuum at the velocity c. However, wave packets limited in space and time are used to transmit energy and information. Here it has been shown based on the wave approach that the on-axis part of the pulsed beam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::085af67390ef14e8e11d89344f53669f
http://link.springer.com/article/10.1038/s41598-019-54921-5
http://link.springer.com/article/10.1038/s41598-019-54921-5
Publikováno v:
Engineering Sciences.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8688435bf59597d7edfa98cf8f8407a
https://doi.org/10.7546/engsci.lvii.20.02.03
https://doi.org/10.7546/engsci.lvii.20.02.03
Publikováno v:
Aviation Engines. :73-76
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a16721c79563da7a0e919a5cc8b5886f
https://doi.org/10.54349/26586061_2019_2_63
https://doi.org/10.54349/26586061_2019_2_63
Autor:
N I Petrov
Publikováno v:
Journal of Physics: Conference Series. 2015:012109
The influence of plasmonic nanoparticles embedded in the central and side layers of the frustrated total internal reflection filter on the resonant transmission of light is analyzed. It is shown that the frequency dispersion causes the splitting of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4ab8b992d7f89d37e986c76e587ce51
https://doi.org/10.1088/1742-6596/2015/1/012109
https://doi.org/10.1088/1742-6596/2015/1/012109