Zobrazeno 1 - 10
of 185
pro vyhledávání: '"coal deposit"'
Autor:
Vukas Radoslav B.
Publikováno v:
Tehnika, Vol 79, Iss 4, Pp 424-434 (2024)
At the beginning of this century, a group of authors "self-developed" the Conversion Map for harmonizing data on the categories and amounts of geological and balance reserves of Serbia according to the terms and classes of mineral resources and reser
Externí odkaz:
https://doaj.org/article/af3ff64195944d82a49cfc00915ac238
Autor:
Alexander S. Zavorin, Tatyana S. Taylasheva, Konstantin V. Buvakov, Aleksandr Yu. Dolgikh, Elena S. Vorontsova
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 333, Iss 6, Pp 55-65 (2022)
Relevance of the research is determined by the importance of rationalized regional fuel and energy balance plan organization which is directed towards overcoming dependence on outsourced (imported) fuel resources. This conduces to energy security of
Externí odkaz:
https://doaj.org/article/3d0b4a29b8f246f1861da7fbaac9cf39
Publikováno v:
International Journal of Coal Science & Technology, Vol 9, Iss 1, Pp 1-13 (2022)
Abstract There are known brown coal deposits in Primorsky Krai (Russian Federation), where coals contain rare elements (Ge, U, REE, etc.) up to industrial concentrations. One of the known metalliferous coals is the Rakovka coal-bearing depression, lo
Externí odkaz:
https://doaj.org/article/904a63f7882b41a486ed7ac7088e782d
Akademický článek
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Autor:
Sergey I. Arbuzov, Igor Yu. Chekryzhov, Sergey S. Ilenok, Bulat R. Soktoev, Elena E. Soboleva
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 332, Iss 5, Pp 17-38 (2021)
The relevance of this research is conditioned by the need to develop predictive and prospecting criteria for identifying a strategically important type of germanium raw material – germanium-coal deposits. The main aim is to study the geochemical fe
Externí odkaz:
https://doaj.org/article/fcd8294438b54687a863df0d366fd2b3
Autor:
D. V. Kostylev, N. V. Boginskaya
Publikováno v:
Геодинамика и тектонофизика, Vol 13, Iss 2 (2022)
In April – May 2021, in the Khabarovsk Territory and Sakhalin Region in the Far East Federal District of the Russian Federation, the Federal Research Center "Geophysical Survey RAS" deployed temporary networks as a part of Large-Scale Research Faci
Externí odkaz:
https://doaj.org/article/47bc2e5453e6430d8462f39966912152
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 331, Iss 11, Pp 60-77 (2020)
The relevance of the research is conditioned by the need of the assessment of the modes of occurrence of germanium and other secondary trace elements in rare-metal coal deposits. The main objective is to study the modes of occurrence of germanium and
Externí odkaz:
https://doaj.org/article/ad7f02bf618446afb7c514cab19db1b7
Autor:
Ada K. Dzhioeva, Vladimir S. Brigida
Publikováno v:
Записки Горного института, Vol 245, Pp 522-530 (2020)
The paper is devoted to the problem of increasing energy efficiency of coalmine methane utilization to provide sustainable development of geotechnologies in the context of transition to a clean resource-saving energy production. Its relevance results
Externí odkaz:
https://doaj.org/article/5a9bcd490e4647d59d1c04b269c63abb
Autor:
V. A. Azev, D. V. Popov
Publikováno v:
Горные науки и технологии, Vol 5, Iss 2, Pp 119-130 (2020)
Globalization of the energy feedstock market has led to the fact that, in recent decades, parameters of the thermal coal market significantly changed. Depletion of “rich” deposits implies development of new deposits of more complicated structure
Externí odkaz:
https://doaj.org/article/f874ed74a68247bbaf0fdcfcc93087b2
Autor:
Ramona Violeta Cazalbaşu
Publikováno v:
Analele Universităţii "Constantin Brâncuşi" din Târgu Jiu: Seria Inginerie, Vol 2019, Iss 4, Pp 127-132 (2019)
The present work shows the dimensions of the pollution caused by the mining activities within the Rosiuţa quarry. The negative impact of mining activities on the environment is a direct one, which is strictly related to the actual extraction of the
Externí odkaz:
https://doaj.org/article/25915420265d4e208af290150d2c2447