Showing 101 - 120 results of 954 for search '"Coal mining"', query time: 0.07s Refine Results
  1. 101

    Signal Game Analysis on the Effectiveness of Coal Mine Safety Supervision Based on the Affective Events Theory by Xue Yang, Yang Tian, Kai Feng, Juan Yang, Shu-hui Zhang, Shengnan Wang

    Published 2020-01-01
    “…The main cause of coal mine safety accidents is the unsafe behavior of miners who are affected by their emotional state. …”
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    Article
  2. 102

    Water Supply and Regulation of Underground Reservoir in Coal Mine considering Coal-Water Occurrence Relationship by Mingbo Chi, Zhiguo Cao, Quansheng Li, Yong Zhang, Baoyang Wu, Bao Zhang, Yi Yang, Xiaoqing Liu

    Published 2022-01-01
    “…Water supply prediction and control is one of the key issues in exploitation of coal mine underground reservoirs (CMUR). In order to investigate the water supply for underground reservoirs in coal mines, the aquifers were classified into three types (types I, II, and III) according to the relative location of aquifers. …”
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  3. 103
  4. 104

    Application Research on Testing Efficiency of Main Drainage Pump in Coal Mine Using Thermodynamic Theories by Deyong Shang

    Published 2017-01-01
    “…But there are some defects in this kind of method of underground coal mine. This paper first introduces the principle of testing the main drainage pump efficiency in coal mine using thermodynamic theories, then analyzes the energy transformation during the process of draining water, and finally derives the calculation formulae of the pump efficiency, which meet the on-site precision of engineering. …”
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    Article
  5. 105

    Multidirectional Anisotropic Total Variation and Its Application in the Tomography of the Surrounding Rock of Coal Mining Faces by Bo Chen, Guowei Zhu, Zhenqiang Yang

    Published 2021-01-01
    “…The surrounding rock of coal mining faces uses principles of tomography similar to those of medical X-rays. …”
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    Article
  6. 106
  7. 107

    Identification of Mine Water Inrush Source Based on PCA-FDA: Xiandewang Coal Mine Case by Bo Li, Qiang Wu, Zijie Liu

    Published 2020-01-01
    “…The model was used to identify the water inrush source of 14 groups of training samples and 12 groups of samples to be judged in different water sources of the Xiandewang coal mine, and it was compared with the results of the conventional identification model which used the FDA method. …”
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  8. 108
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  10. 110

    Safe Separation of the Low-Concentration and Oxygen-Bearing Coal Mine Methane by Vacuum Pressure Swing Adsorption by Xiong Yang, Yingshu Liu, Yongling Li, Yu Meng, Chuanzhao Zhang, Junjie Yan

    Published 2014-08-01
    “…Pressure swing adsorption (PSA) is a suitable method to enrich the concentration of methane in coal mine methane (CMM) separation processes. However, traditional PSA processes for low-concentration CMM can easily increase the concentration of methane to explosive limits, which subsequently increases the risk of explosion. …”
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  11. 111

    Experimental Investigation on the Mixture Ratio and Diffusion Performance of Grouting Materials for Water Bursting Prevention in Coal Mines by Huiqing Lian, Haiyang Yi, Zhenxue Dai, Junwen Yang, Zhenxing Ji, Ruigang Han, Lu Meng, Yi Yang

    Published 2021-01-01
    “…Grouting is a common and important technique for water bursting prevention in coal mines; the success of grouting in coal mines depends highly on the flowability of grouting materials and the strength of the hardened body as well. …”
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  12. 112
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  14. 114

    Experimental Investigation of Water-Inrush Risk Based on Permeability Evolution in Coal Mine and Backfill Prevention Discussion by Meng Li, Jixiong Zhang, Weiqing Zhang, Ailing Li, Wei Yin

    Published 2019-01-01
    “…Induced by coal mining, the fractures constantly occur in geologic strata until failure occurs, which provide channels for water flow. …”
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  15. 115

    Improving the Stability of Mining Slopes in Tarcha Coal Mine, Southwestern Ethiopian Deposit Through Geometric Adjustments by Getaneh Abebay, Endalu Tadele Chala, Nagessa Zerihun Jilo, Tiyasha Tiyasha

    Published 2024-01-01
    “…This study aims to assess and enhance the stability of the selected open-pit coal mine quarries through field and laboratory analyses, supported by the limit equilibrium method (LEM) and the finite element method (FEM). …”
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  16. 116

    Advancements in end treatment techniques and applications of acid mine drainage in coal mines: A research review by Qiaohui CHE, Song DU, Degao ZHANG, Yinglin FAN, Xiao ZHANG, Fengli WANG

    Published 2024-12-01
    “…Consequently, it has emerged as a pervasive environmental predicament in the coal mining process. This review presents an overview of the formation mechanism, detrimental effects, and chemical characteristics of AMD in coal mines. …”
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  17. 117
  18. 118

    Effects of Fine Gangue on Strength, Resistivity, and Microscopic Properties of Cemented Coal Gangue Backfill for Coal Mining by Tingye Qi, Guorui Feng, Yanrong Li, Yuxia Guo, Jun Guo, Yujiang Zhang

    Published 2015-01-01
    “…The cemented coal gangue backfill (CGB) in coal mining is normally made of gangue (particle size of 0–15 mm), fly ash, cement, and water. …”
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  19. 119

    Optimum Design of Coal Mine V belt Drive based on Matlab and the Simulation Analysis based on Recurdyn by Yuan Kang, Fu Qunfeng, Huang Guoxiang

    Published 2015-01-01
    “…The rationality of optimization design is verified,the reference and basis for the optimization design of the belt of transmission device in coal mine belt conveyor are provided.…”
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  20. 120

    Vibration and Dynamic Response of Buffering Devices during the Vertical Feeding of Coal Mine Solid Backfill Materials by Feng Ju, Zequan He, Meng Xiao, Peng Huang, Shuai Guo

    Published 2018-01-01
    “…This buffering device was used in Wugou Coal Mine, and the monitoring result shows that the maximum displacement of the buffering device is about 65 mm, which means this device is in a good operating condition.…”
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