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Combustion mechanism and control approaches of underground coal fires: a review
With the large-scale mining of coal resources, the huge economic losses and environmental problems caused by underground coal fires have become increasingly prominent, and the research on the status quo and response strategies of underground coal fires ...
Yun-tao Liang +4 more
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Xinzhuang Coal Mine is a typical kilometer-deep rockburst mine in the Ningzheng mining area of China Huaneng Group, which is still in the capital construction period.
Ma Xingen +8 more
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Multi-seam mining often leads to the retention of a significant number of coal pillars for purposes such as protection, safety, or water isolation. However, stress concentration beneath these residual coal pillars can significantly impact their strength ...
Yunliang Tan +6 more
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Research and practice of intelligent coal mine technology systems in China
This study considered the role of coal as China’s basic energy source and examines the development of the coal industry. We focused on the intelligent development of coal mines, and introduced the “Chinese mode” of intelligent mining in underground coal ...
Guofa Wang +6 more
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LEGAL PROTECTION FOR FOREIGN INVESTMENT IN THE MINERAL AND COAL MINING SECTOR IN INDONESIA
One of the indicators of Indonesia's economic development is investors. Investors are actors who have a role to empower and manage potential resources to serve as the country's economic strength.
Vania Shafira Yuniar
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Fracture features of brittle coal under uniaxial and cyclic compression loads
Under the effects of complex geological and stress environments, burst hazards continue to be a major challenge for underground space utilization and deep resources exploration as its occurrence can lead to personnel causalities, equipment damage and ...
Shikang Song +5 more
semanticscholar +1 more source
Coal and gas outburst is a complex dynamic disaster during coal underground mining. Revealing the disaster mechanism is of great significance for accurate prediction and prevention of coal and gas outburst. The geo-dynamic system of coal and gas outburst
Lin Xu +6 more
semanticscholar +1 more source
Electro-filter ash use in the underground coal mines [PDF]
Thermal power plants in the Republic of Serbia spend 35-40 million tons of coal annually, mostly lignite, with about 6 million tons of ash or slag as a by-product of electricity and heat production, deposited on the landfills. The Law on Waste Management
Todorović Vladimir +3 more
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Numerical simulations have often been used in close-distance coal seam studies. However, numerical simulations can contain certain subjective and objective limitations, such as high randomness and excessively simplified models.
Zhuoyue Sun +5 more
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Maintaining the functionality of the coal settling basin at the underwater pit Kovin [PDF]
Underwater coal exploitation is carried out by the use of underwater excavator 'Kovin I'. The mined coal is transported through a pump system as a hydro mixture via the pipeline Ø900 mm to the facility for irrigation and classification of the mined coal.
Marijanac Simeun +3 more
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