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Combined Method of Coal Mining in the Opening of Shallow Layers as a Direction of Innovative Development of Geotechnology [PDF]
E3S Web of Conferences, 2021 In recent years, there has been a decline in the efficiency of coal mining by traditional methods. On the one hand, the volume of coal outside the contour of the cut, which is economically impractical for open-pit mining, is increasing. On the other hand,
Tyuleneva Tatiana +3 more
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Interpretable Repair Method for Event Logs Based on BERT and Weak Behavioral Profiles [PDF]
Jisuanji kexue, 2023 In practical business processes,low-quality event logs due to outliers and missing values are often unavoidable.Low-quality event logs can degrade the performance of associated algorithms for process mining,which in turn interferes with the correct ...
LI Binghui, FANG Huan, MEI Zhenhui
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Influence of Pore Structure Characteristics of Primary Coal on Coalbed Methane Adsorption
Advances in Materials Science and Engineering, 2022 In order to better discuss the influence of pore structure characteristics of primary coal on coalbed methane adsorption, suburban coal and Zhaozhuang coal in Henan Province were systematically sampled.
Gang Liu
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Bioleaching Mercury from Coal with Aspergillus flavus M-3
Microorganisms, 2023 This study focuses on the utilization of Aspergillus flavus(M-3) for the bioleaching mercury from coal, offering an alternative and environmentally to its clean utilization.
Wenqing Mao +5 more
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Frontiers in Chemistry, 2022 Hydrogen isotope analysis of coal is an important tool in the geochemical analysis of coal. The traditional method of hydrogen isotope analysis of coal requires the oxidation of organic matter bound hydrogen in coal to water by an oxidizing agent and ...
Hongwei Li +3 more
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Molecules, 2019 The physicochemical properties of four 1-alkyl-3-methylimidazolium bromide ([CnC1im]Br, n = 5, 6, 7, 8) ionic liquids (ILs) were investigated in this work by using inverse gas chromatography (IGC) from 303.15 K to 343.15 K.
Qiao-Na Zhu +3 more
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Analysis of coal quality in a function of selection level for mining at the open pit Gacko [PDF]
Mining and Metallurgy Engineering Bor, 2017 This work analyzes the quality of coal in the function level selection for exploitation. A detailed analysis was carried out for the main coal seam, the first floor seam, the second floor seam and the overlying coal series of the coal deposit Gacko of 0 ...
Stepanović Saša +3 more
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Analysis and countermeasures of key risk factors of coal mine safety production based on SNA
Meikuang Anquan, 2023 We analyze the coal mine accidents since 2008, extract 30 causes of coal mine safety accidents, and construct the coal mine safety production risk factor network by using social network analysis（ＳＮＡ）. Through the point centrality analysis of SNA network,
ZHOU Jianliang +5 more
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Design and implementation of coal mine networking data analysis model
Meikuang Anquan, 2021 A set of coal mine networking monitoring big data analysis architecture is proposed based on the content of coal mine safety monitoring and personnel positioning networking data.
CHEN Qing
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Meikuang Anquan, 2022 Selecting reasonable coal pillar size is the premise of success and safety of gob side entry driving. Taking 30503 working face of a coal mine as the background, the reasonable size of narrow coal pillar in gob driving roadway under the condition of ...
GAO Le, ZHAO Bin, ZHOU Xiangwen, LI Zhenlei, SONG Dazhao, YAN Pengfei, TIAN Xianghui
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