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    Discussion on genesis of coalbed methane in Fukang Mining Area
    HAO Huili, WANG Haichao, TIAN Jijun, YANG Shengbo, CHENG Xiaoqian
    2021, 52(9): 1-9.
    Abstract PDF
    Characteristics of pores and fractures in anthracite coal based on X-ray CT and FIB-SEM
    HU Qiujia, LIU Shiqi, MAO Chonghao, JIA Huiming, YAN Ling, WANG He, GAO Deyi
    2021, 52(9): 10-15,21.
    Abstract PDF
    Comparative study on gas adsorption characteristics between outburst hole tectonic coal and primary structural coal
    MA Ruishuai, TIAN Shixiang, LIN Huaying, XU Shiqing, SU Weiwei, XIE Hongfei
    2021, 52(9): 16-21.
    Abstract PDF
    Study on pore structure and gas adsorption and desorption characteristics of coal in reverse fault area
    ZHOU Rui, CHENG Xiaozhi, SU Weiwei, ZHU Lei
    2021, 52(9): 22-28.
    Abstract PDF
    Experimental study on effect of H2S aqueous solution on permeability of low-rank coal
    CAO Yuzhao, HAO Huili, WANG Haichao, Jianati Yeerken, Wumuerjiang Dawulieti
    2021, 52(9): 29-35.
    Abstract PDF
    Research on structural evolution and uniaxial mechanical properties of coal and rock treated at low temperature
    WANG Yang, WANG Yi, ZHAO Yaojiang
    2021, 52(9): 36-42.
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    Experimental study on influence of high temperature baking on magnetic properties of Nalinmiao rock
    ZHANG Xinhai, DOU Kai, LI Jingwen, CHENG Wangshou, LI Xunguang, ZHU Hui, ZHAO Bin, CHEN Fei, YANG Shaoxiong
    2021, 52(9): 43-47.
    Abstract PDF
    Study on hydraulic coupling seepage mechanism of sandstone micro-fracture in deep coal mine
    LI Yanzhi, ZHANG Shuai, WU Yue, WANG Jiyao
    2021, 52(9): 48-53,63.
    Abstract PDF
    Study on triaxial compression failure mechanism of fractured coal and rock in 4-2 coal seam of Yuhua Mine
    REN Jianxi, CHEN Shoujia, YUE Dong, HUO Xiaoquan, YUAN Zengyun, FAN Zhihai, KOU Yimin, HOU Zhengli
    2021, 52(9): 54-63.
    Abstract PDF
    Experimental study on mechanical properties of reinforced downward cracked soil based on MICP method
    ZHANG Jiarui, LI Tao, XIA Yucheng, GAO Ying, LI Dianxin, WANG Rui, MEI Aoran
    2021, 52(9): 64-70.
    Abstract PDF
    Study on mechanical properties of polymer cement slurry-coal interface transition zone
    LIANG Hualei, HAN Xiaolong, CHEN Xinming, JIN Xiangfei, JIAO Huazhe, SHI Yuliang
    2021, 52(9): 71-77.
    Abstract PDF
    Study on deformation failure and crack propagation mechanism of prefabricated end joint rock bridge under uniaxial compression
    ZHANG Haidong, CHEN Yongfeng, ZHAO Guangchen, ZHANG Qinghua
    2021, 52(9): 78-84.
    Abstract PDF
    Technical practice of running screen in the whole process for high level directional drilling of complex roof
    TONG Bi
    2021, 52(9): 85-89.
    Abstract PDF
    Application of PSO-SVM model in outburst warning system of heading face
    LI Xinling, YUAN Mei, DONG Hong, CHEN Guohong, XU Shiqing, LONG Nengzeng
    2021, 52(9): 90-95.
    Abstract PDF
    Application of ultra high density electrical technology in dynamic monitoring of coal mine floor water
    ZHANG Zhao, ZHAI Peihe, LIU Yuxiang, ZHANG Tongde, REN Keke
    2021, 52(9): 96-101.
    Abstract PDF
    Discussion on water prevention and control technology of roadway tunneling in water-rich coal seam in northern Yuheng Mining Area
    WANG Chunlin, LIU Yang, FANG Gang, LI Yanmin, LIANG Xiangyang, JI Qiang, YANG Dong, GUAN Shengyu
    2021, 52(9): 102-107.
    Abstract PDF
    Combined grouting and reinforcement technology for deep and shallow holes in soft and broken coal roadway
    LI Lin, GU Wei, SONG Gang
    2021, 52(9): 108-115,121.
    Abstract PDF
    Research on supporting technology of roadway passing goaf
    ZHOU Bo, XU Mengtang, YIN Lei, LI Xin, ZHANG Wang
    2021, 52(9): 116-121.
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    Application of C100 high performance concrete in freezing shaft wall
    WANG Heng, GUO Junhua
    2021, 52(9): 122-128.
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    “Anchoring-shed-shotcreting” collaborative control technology for limestone roof roadway with soft clay interlayer
    WANG Junhong, JIAO Jiankang
    2021, 52(9): 129-135,141.
    Abstract PDF
    Mine-used electromagnetic MWD system and its application
    GU Lidong, WANG Kaibin, ZHAO Jiajia
    2021, 52(9): 136-141.
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    Application of gas ultrasonic flowmeter in gas drainage and air pressure in coal mine
    FENG Chao, ZHU Yanjun
    2021, 52(9): 142-146.
    Abstract PDF
    Research on ventilation system optimization of mine central pump room based on thermal cycle theory
    TANG Jianhua, WANG Haiqiao, SUN Dingzhong
    2021, 52(9): 147-152.
    Abstract PDF
    Wind-induced vibration piezoelectric energy harvesting technology in underground mine
    ZHOU Daiyong
    2021, 52(9): 153-156.
    Abstract PDF
    A rapid screw-off device for drilling tools suitable for rescue drilling of complex coal seams
    WANG Hejian, LI Dongsheng, LI Wangnian, WENG Yinsheng
    2021, 52(9): 157-160.
    Abstract PDF
    Design of operation and maintenance service platform for Guizhou coal mines intelligent system
    WANG Jie, WANG Chunhua, LI Xiaohua, YU Kelisha, REN Fuqiang
    2021, 52(9): 161-166.
    Abstract PDF
    Remote control drill for small section hard rock roadway in coal mine
    WANG Tianlong, SONG Haitao, DONG Hongbo
    2021, 52(9): 167-171.
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    Study on coalbed methane flow characteristics based on fracture network image
    ZHANG Yuzhu
    2021, 52(9): 172-177.
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    Investigation of critical oxygen concentration and “three zones” of coal spontaneous combustion in goaf based on TDLAS
    JING Changbao, SHEN Jianting
    2021, 52(9): 178-182,189.
    Abstract PDF
    Research and application of anti rock burst mechanism of large diameter boreholes in coal seam and roof pre-splitting holes
    PANG Lining, FU Shujun, SU Bo
    2021, 52(9): 183-189.
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    Research on optimal design of stop line position in working face with rock burst hazard under condition of isolated coal pillar
    WEN Yingyuan, XUE Chengchun, CAO Anye, NIU Fengwei, GUO Wenhao, SHEN Zhiping
    2021, 52(9): 190-195,203.
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    Comprehensive evaluation of drainage feasibility for thick sandstone aquifer of floor
    ZHAO Baofeng, LYU Yuguang
    2021, 52(9): 196-203.
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    Mechanism of coal-rock dynamic disasters in complex geological structure areas and its prevention
    WANG Zhengyi, HE Jiang
    2021, 52(9): 204-210.
    Abstract PDF
    Calculation and sensitivity analysis of convective heat transfer coefficient between roadway wall and airflow
    GAO Jianan, WU Fengliang
    2021, 52(9): 211-217.
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    Prediction of mine collapse risk based on GIS and BP neural network
    WANG Shenhao, XIE Wanli, XI Jiami, JING Xu
    2021, 52(9): 218-223,230.
    Abstract PDF
    Analytical solution for pre-press transfer effect of bolt composite member
    JIANG Wei, QU Hao, SHI Meng, WANG Dongpan
    2021, 52(9): 224-230.
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    Strength prediction of solid wastes filling body based on GRA--BP neural network
    LIU Tuanjie, ZHAO Xiangzhuo, HAN Yongliang, LI Yunpeng, CHEN Xi
    2021, 52(9): 231-238.
    Abstract PDF
    Numerical study on surrounding rock control effect of gob-side entry retaining by roof cutting and pressure relief
    DENG Xiaogang, LUAN Hengjie, LIU Jianrong
    2021, 52(9): 239-244.
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    Analysis and countermeasures of coal mine safety in Guizhou Province
    SUN Guangyu, YANG Fuling, QI Chaoxin
    2021, 52(9): 245-249.
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    Research on influence of emotional intelligence on unsafe behaviors of miners based on SEM
    GUO Yanyu, LI Jizu
    2021, 52(9): 250-255.
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    An experimental study on risk decision of miners based on dual IGT task
    JIA Aifang, TIAN Shuicheng, GUO Xinyue, TANG Kai
    2021, 52(9): 256-260.
    Abstract PDF
    Study on interactive influence and coping strategies of panic emotion of trapped people in serious coal mine accident
    ZHAO Pengfei, HE Ahong
    2021, 52(9): 261-264.
    Abstract PDF
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