Showing 941 - 954 results of 954 for search '"Coal mining"', query time: 0.07s Refine Results
  1. 941

    The dynamic characteristics of the shearer cable drag system. by Bo Xie, Feida Wang, Jing Liu, Zhanjun Xu, Shuaishuai Gao, Lijuan Zhao

    Published 2024-01-01
    “…Based on the 5615 working face of Beisu Coal Mine, a virtual prototype of the shearer cable drag system was developed using the MG2×70/325-BWD electric traction shearer as the carrier, in combination with CERO and ADAMS software. …”
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  2. 942

    Study on the mechanism and control of strong ground pressure in the mining of shallow buried close-distance coal seam passing through the loess hilly region by Yanpeng He, Qingxiang Huang, Li Ma

    Published 2025-01-01
    “…Taking the in the Zhangjiamao Coal Mine as the background, this study revealed the mechanism of high ground pressure when the working face of lower coal seam passes through the surface loess hilly region. …”
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  5. 945

    Continuous underground observation of the geomagnetic field in Xuzhou City, North China, and its time-varying characteristics by Mei Han, Mei Han, Lianghui Guo, Lianghui Guo, Lianghui Guo, Yun Wang, Yun Wang, Xiang Wang, Xiang Wang

    Published 2025-01-01
    “…In order to evaluate the underground electromagnetic environment at the Longdong coal mine area (LCMA) in Xuzhou City and establish an underground geomagnetic observatory, we conducted a pilot experiment of continuous geomagnetic observations synchronously underground and on the ground during May 2023. …”
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  6. 946

    Analysis of PM10 trends in open-pit mining: Assessing emission controls and WHO guideline compliance by Roberto Rojano, Heli A. Arregocés, Gloria Restrepo

    Published 2025-02-01
    “…This study evaluated the concentrations, trends, and variability of PM10 particulate matter in two Air Quality Monitoring Systems (CorpoGuajira's_AQMS and Cerrejón's_AQMS) in an open-pit coal mine in northeastern Colombia from 2010 to 2020. …”
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    Research on the evolution and prediction of the heights of water-conducting fracture zones in overlying rocks during layered mining of extremely thick coal seams by MENG Hailun, CHENG Xianggang, QIAO Wei

    Published 2024-12-01
    “…Based on the geological conditions of the extremely thick coal seams in the Jurassic coalfields of Xinjiang, this research selected the parameters of the typical working face 9-15 (08) in the Liuhuanggou Coal Mine of the Zhunnan Coalfield in Xinjiang, quantitatively evaluated the development characteristics and evolution patterns of the overlying rock fracture fields under layered full-mechanized mining of extremely thick coal seams through numerical simulations and fractal geometry theory analysis. …”
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  10. 950

    Influence of magma intrusion and contact distance onthermal effects of low-temperature oxidation processes in coal by Zhijin YU, Ce JIN, Xu TANG, Zhipeng ZHANG, Hu WEN

    Published 2024-12-01
    “…Taking the −350 working face in the second mining area of the Xin'an Coal Mine as the engineering background, the coal samples were collected at different distances from the magma intrusion on the spot. …”
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    Mechanism of the effect of chitosan combined with EICP on the erosion resistance of slopes in open-pit mine dump by Zhile WANG, Yu TIAN, Wei ZHOU, Yi WANG, Rui LI, Yihan GUO, Ya TIAN, Ao LU

    Published 2024-12-01
    “…Most of the open-pit coal mines in China are located in the ecologically vulnerable regions in the north with obvious seasonal rainfall and poor soil layer, where the ecological background is fragile and soil erosion is serious. …”
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