Zobrazeno 1 - 10
of 183
pro vyhledávání: '"hard coal mining"'
Publikováno v:
Frontiers in Environmental Science, Vol 12 (2024)
Underground hard coal mining activity in southern Poland has lasted more than 200 years. Among many factors related to mining and influencing the natural environment, the longest-active are coal waste heaps and tailings ponds. Several hundred objects
Externí odkaz:
https://doaj.org/article/0839c94a552146b39eee9d876a4cc204
Autor:
Monika Pepłowska, Piotr Olczak
Publikováno v:
Energies, Vol 17, Iss 6, p 1477 (2024)
Energy transition is one of the main objectives of the European Union. Significant changes will mainly affect countries in which significant modifications will have to be made to their energy sources. The process will involve high investment in infra
Externí odkaz:
https://doaj.org/article/7a46a8eb875143c5b1c8982de3a0acb2
Publikováno v:
Production Engineering Archives, Vol 28, Iss 4, Pp 390-397 (2022)
Underground mining production is an extremely important process for the economy and carried out in very difficult and complex environmental conditions. The disturbance of the balance of this environment makes it also a very dangerous process. Due to
Externí odkaz:
https://doaj.org/article/b7d2ded89d7742af9e182f22ed23f801
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 3, Pp 703-713 (2022)
The risk of rockbursts is one of the main threats in hard coal mines. Compared to other underground mines, the number of factors contributing to the rockburst at underground coal mines is much greater. Factors such as the coal seam tendency to rockbu
Externí odkaz:
https://doaj.org/article/6bf14ab61849450dbc526e835ca1c4bc
Publikováno v:
Resources, Vol 12, Iss 11, p 129 (2023)
This article presents a new, in-house developed method of selecting a variant of the transport system in the underground of a mine, using multi-variant decision support, taking into account the specificity of an underground mining plant. The implemen
Externí odkaz:
https://doaj.org/article/185d9e1b561546d7878ef4458a7df782
Autor:
Sławomir Tomasz Klatka
Publikováno v:
Journal of Ecological Engineering, Vol 21, Iss 5, Pp 148-154 (2020)
Geomechanical and hydrological surface deformation caused by the underground hard coal extraction leads to limited agricultural and natural soil use. The paper presents results of soil productivity indices determined in the area of post-mining subsid
Externí odkaz:
https://doaj.org/article/24b87aa4762f4cfabde19bae6c86c86a
Publikováno v:
Frontiers in Psychology, Vol 12 (2021)
The problems that are inherent in the green shift of the energy sectors are particularly visible in countries where the hard coal mining industry plays an important role in the economy and society. For any transition to be successful, public support
Externí odkaz:
https://doaj.org/article/b816a774a595442fb395a81906af8971
Publikováno v:
Combustion Engines, Vol 177, Iss 2, Pp 127-131 (2019)
Limiting the temperature of exhaust gases to below 150°C is one of the necessary conditions for diesel engine to be used in a potentially explosive atmosphere. For this purpose heat exchangers are necessary to be used. This article presents the conc
Externí odkaz:
https://doaj.org/article/16dd8214281341ff938717a272555c9e
Publikováno v:
Energies, Vol 15, Iss 10, p 3518 (2022)
The European Union’s climate policy and the energy transition associated with it force individual countries, their economies and their industrial sectors to carry out thorough changes, often of a deep, high-cost and restructuring nature. The aim of
Externí odkaz:
https://doaj.org/article/57430ec4d6f84ca785cea1c9f62be911