Zobrazeno 1 - 10
of 1 953
pro vyhledávání: '"A A, Portnov"'
Publikováno v:
Georesursy, Vol 24, Iss 1, Pp 62-73 (2024)
In the paper data of morphology, textural and structural features of chromitites from deposits of southeast part of Kempirsay massif (South Urals, Kazakhstan) are summarized. It is showed that formation of unique chromium deposits is closely related
Externí odkaz:
https://doaj.org/article/23ee0d62b66341d8ae51c1dd5c0ba08c
Autor:
Liu, Ming, Li, Ruicong, Zhang, Baogang, Jiao, Weili, Luo, Tong, Portnov, Boris A., Trop, Tamar, Liu, Jie, Zhang, Han
Publikováno v:
In Sustainable Cities and Society 1 November 2024 114
Autor:
V. N. Shanin, P. V. Frolov, I. V. Priputina, O. G. Chertov, S. S. Bykhovets, E. V. Zubkova, A. M. Portnov, G. G. Frolova, M. N. Stamenov, P. Y. Grabarnik
Publikováno v:
Вопросы лесной науки, Vol 6, Iss 4, Pp 1-146 (2023)
Many problems of modern forest ecology require analysis of the conjugated dynamics of processes occurring at different spatio-temporal scales of the functioning of plant communities and soils resulted from their interaction under the influence of all
Externí odkaz:
https://doaj.org/article/4066e437985d4412b4c1a4c61e648d17
Autor:
Ainel Yessendossova, Volodymyr Mykhailov, Aliya Maussymbayeva, Vassilii Portnov, Medet Mynbaev
Publikováno v:
Iraqi Geological Journal, Vol 56, Iss 2F, Pp 44-60 (2023)
Polymetallic deposits of lead and zinc are of great importance in the economy of the developed countries of the world. Kazakhstan is among the world leading countries in terms of reserves and production of lead and zinc. There are large ore regions w
Externí odkaz:
https://doaj.org/article/699beb25a23a498e958ed902fb2a0c33
Publikováno v:
In Marine and Petroleum Geology July 2024 165
Autor:
Dong, Linsen, Polyak, Leonid, Zhang, Ying, Portnov, Alexey, Zhang, Hui, Liu, Yanguang, Shi, Xuefa
Publikováno v:
In Quaternary Science Reviews 15 June 2024 334
Publikováno v:
Fire, Vol 7, Iss 8, p 281 (2024)
Jet fires are the second most common fire scenario after spill fires. This type of fire is characteristic of gas and gas–oil fires occurring on oil platforms and gas production and processing plants. The consequences of such fires are characterized
Externí odkaz:
https://doaj.org/article/dc2a70cf7fd040f28fe1f8b92a77834d
Autor:
Aleksandr V. Portnov
Publikováno v:
Наука Красноярья, Vol 12, Iss 2, Pp 39-54 (2023)
Increasing labor productivity has been on the agenda of science for many years. The search continues for optimal ways to improve with a parallel search for measurement methods both at the country level in the form of national projects, and at the ent
Externí odkaz:
https://doaj.org/article/1bcf9fa4833e454985aa376b6399ae60