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    Determination of Drainage Effective Radius of CO2 Phase Transition Fracturing Based on Time-source Method
    SUN Zhuoyue, YANG Dong, PEI Yue, SUN Liuwei, MA Xiaomin
    2020, 51(3): 1-5,11.
    Abstract
    Numerical Simulation of Effect of Multi-component Combustible Gases on Methane Explosion at Variable Temperature
    LUO Zhenmin, WANG Lei, LI Xiufang, WANG Tao
    2020, 51(3): 6-11.
    Abstract
    Study on Mesoscopic Characteristics of Pores and Cracks During Thermal Damage of Lignite
    LI Lifeng
    2020, 51(3): 12-15.
    Abstract
    Research on Dynamic Index of Coal Seams Area Based on Water Jet Slotting
    LIU Jian, JIANG Wenzhong, REN Zhongjiu, LIU Ziwen
    2020, 51(3): 16-22.
    Abstract
    Effect of Ignition Delay Time on Explosion Characteristics of Methane and Coal Dust Hybrid Mixtures
    WANG Xiaobin
    2020, 51(3): 23-27.
    Abstract
    Experimental Study on Suppression of Coal Dust Combustion by Inert Medium
    GU Gongtian, WANG Fei, WANG Cheng, HAN Jinxin
    2020, 51(3): 28-31,37.
    Abstract
    Effect of Pressure Relief and Permeability Increase of Bottom Layer of Protective Layer in Low Permeability Coal Seam of Gaoshan Mine
    LIU Yutao, XIN Liankai, CHEN Zhiyong
    2020, 51(3): 32-37.
    Abstract
    Study on Precursor of Infrared Temperature Critical Slowing in Coal Sample Uniaxial Compression Failure
    TIAN He, LI Zhonghui, YIN Shan, CHENG Fuqi, WEI Yang, ZHANG Xin
    2020, 51(3): 38-43.
    Abstract
    Study on Paleogene Rock Structure Characteristics and Integrated Water-resistance Performance in Yilan Mining Area
    LYU De, XIE Yuxiang
    2020, 51(3): 44-47.
    Abstract
    Study on Destruction Characteristics of Surface Vertical Wells in Mining Area of Sihe Coal Mine
    HAO Guocai, HU Shengyong, GUO Xiangqian, LI Chao, ZHANG Ao, HAN Dandan, HU Lanqing, HU Jiangliang, HU Fei
    2020, 51(3): 48-51,57.
    Abstract
    Influence of Nano-particles on Durability of Shaft Concrete
    LI Ran, WEI Huirong
    2020, 51(3): 52-57.
    Abstract
    Experiments and Practices on Softening Clay Clogging in Grouting Pipelines of Coal Mine
    LI Tao, GAO Ying
    2020, 51(3): 58-61.
    Abstract
    Influence of Gangue Compaction Process on Coal Pillar Supporting Pressure in Goaf
    WANG Lei, CAO Hengjiang, JIANG Zilong, WANG Tongxu
    2020, 51(3): 62-68.
    Abstract
    Preparation and Crack Resistance Test of High Performance Concrete with Fiber Hybrid and Micro Expansion Freezing Shaft Lining
    KONG Weihao, YANG Long, YAO Zhishu, XUE Weipei, GAO Cong
    2020, 51(3): 69-74.
    Abstract
    Water-spraying Grouting Technique for Roof of Roadway in Structural Fracture Zone
    ZHANG Jiangli
    2020, 51(3): 75-78,83.
    Abstract
    Technology of Uniform Pressure Sealing Gas Drainage in Fissure Development Area
    ZHANG Fei
    2020, 51(3): 79-83.
    Abstract
    Prevention and Control Technology of Spontaneous Combustion in 8102 Fully-Mechanized Mining Face of Xinwei Mine
    RAO Zi, WANG Shuai, HU Lei, TANG Hui
    2020, 51(3): 84-87.
    Abstract
    Research Status on Prevention and Control Technology of Coal Spontaneous Fire in China
    ZHU Hongqing, HU Chao, ZHANG Yongbin, HU Lintao, YUAN Xiaole, WANG Xiaokuan
    2020, 51(3): 88-92.
    Abstract
    Design of Portable Methane Instrument Based on Pulse Power Supply
    ZHOU Desheng, LIANG Guangqing, GUO Qinghua
    2020, 51(3): 93-96.
    Abstract
    Several Methods of Reducing Discharge Energy for Intrinsic Safety Power Supply
    DONG Jianguo, LI Yanmin, ZHOU Xingdong, ZHANG Lei
    2020, 51(3): 97-99.
    Abstract
    3D Virtual Mine Simulation System Platform Based on NeoAxis Engine
    HONG Yuling, WANG Yangyang
    2020, 51(3): 100-103.
    Abstract
    Multi-purpose and Narrow-body Trackless Rubber Wheel Platform in Coal Mine
    CHEN Fenglei
    2020, 51(3): 104-106,110.
    Abstract
    Development of ZDY15000LD High Power Directional Drilling Rig
    ZHANG Rui
    2020, 51(3): 107-110.
    Abstract
    Application of Micro-Seismic Monitoring System in Dangerous Area of Water Inrush in Zhangji Coal Mine
    LIU Xiaoguo, WEI Tingshuang, YU Guofeng, WANG Sixu, HAN Yunchun, MU Wenqiang, LI Lianchong
    2020, 51(3): 111-114.
    Abstract
    Drilling Water Level Intelligent Monitoring System Based on Narrow-band Internet of Things
    YAN Maoyin, XU Lenian, HUAN Zhihao
    2020, 51(3): 115-118.
    Abstract
    Claw-clamping Type Fishing Bit and Fishing Process
    PAN Xiaoye
    2020, 51(3): 119-122.
    Abstract
    Monitoring of Sediment Deposition in the Open Channel of a Coal Mine Based on Measuring　Robot
    XU Lenian, HUAN Zhihao, YAN Maoyin
    2020, 51(3): 123-125,129.
    Abstract
    Safety Unloading Device for Explosion-proof Vehicle in Underground Coal Mine
    MA Yanwei
    2020, 51(3): 126-129.
    Abstract
    Design of Belt System in Coal Mine Based on Wireless Transmission
    LI Biao
    2020, 51(3): 130-132.
    Abstract
    Centralized Drainage Technology and Application of Vertical Shaft in Low Permeability Thin Coal Seam Downward Drilling
    CHEN Hu, DENG Mingming
    2020, 51(3): 133-136,143.
    Abstract
    Nitrogen Injection and Fire Prevention Technology for Short Arm High Mining Height Fully Mechanized Caving Face
    WANG Kun
    2020, 51(3): 137-143.
    Abstract
    Study on Fire Extinguishing Effect of Liquid CO2 Injection in Goaf Area of 010905 Working Face in Wuhushan Coal Mine
    XU Mingliang
    2020, 51(3): 144-147,152.
    Abstract
    Mechanism and Prevention of Rock Burst Induced by Wide Coal Pillar in Thick Hard Coal Seam
    LIU Weijian, MA Binwen
    2020, 51(3): 148-152.
    Abstract
    Application of Transient Electromagnetic Method (TEM) in Coal Mine Roof Water Hazard Prevention and Treatment
    LIU Xiaoning
    2020, 51(3): 153-156.
    Abstract
    Application of Transient Electromagnetic Method in Detection of Goaf
    SUN Yingfeng, LUO Xiao, GAO Yirui, WANG Pengpeng, DONG Chuanlong, HE Yongchang
    2020, 51(3): 157-163.
    Abstract
    Feasibility of Perforating Charge Penetrating Coal Seam Based on LS-DYNA
    ZHOU Jie, WANG Fengying, AN Wentong, ZHAO Jiajun, MA Shihao
    2020, 51(3): 164-167.
    Abstract
    Back Pressure Effect of Limestone Consequent Landslide Directional Drilling and Analysis of Influencing Factors in Zhangji Coal Mine
    DOU Xuqian, WANG Li, WANG Yi, XU Baolong
    2020, 51(3): 168-172,177.
    Abstract
    Study on Width of Plastic Zone of Waterproof Coal-rock Pillar of Graben Faults
    ZHANG Wenzhong
    2020, 51(3): 173-177.
    Abstract
    Analysis and Treatment of Inverted Air Flow in Main Inclined Shaft of Guojiahe Coal Mine in Winter
    SANG Cong
    2020, 51(3): 178-183.
    Abstract
    Influence of Hydraulic Fracturing on Strata Behavior in Buertai Coal Mine
    REN Yongqiang, NIU Tonghui
    2020, 51(3): 184-187.
    Abstract
    Present Situation and Prospect of Research on Prevention and Control Technologies of Coal Mine Goaf Instability Disaster
    WANG Donghao, LI Wen, ZHANG Bin
    2020, 51(3): 188-193.
    Abstract
    Study on Mechanism of Strong Strata Pressure in Fully Mechanized Mining Face of Huge Thick Sandstone Formation
    ZHANG Xiang, LYU Yulei, YIN Zhongkai, ZHANG Yin, HAN Gang, WANG Aiwen
    2020, 51(3): 194-199.
    Abstract
    Comprehensive Analysis and Evaluation of Safety Risk of Roadway Crossing Fault in Deep Mining of Coal Mine
    LIN Xiaobo, GUO Liquan
    2020, 51(3): 200-206.
    Abstract
    Asymmetric Deformation Mechanism and Control Technology in Deep Roadway
    XIN Guangming, YUAN Qi, ZHENG Yongsheng, XING Wenbin, ZHAO Nannan
    2020, 51(3): 207-210,215.
    Abstract
    Timing Failure Mechanism of Basic Roof of Large Mining Height Stope in Steeply Dipping Coal Seam
    ZHANG Hao, WU Yongping
    2020, 51(3): 211-215.
    Abstract
    Stability Analysis of Irregular Coal Pillars in Bilateral Goaf
    GU Shitan, WEI Baozhen, JIANG Bangyou, TAI Lianhai
    2020, 51(3): 216-220.
    Abstract
    Seismic Response Sensitivity Analysis of Slope Anchorage Parameters in Open Pit Mine
    LUO Ruixiang, YAN Zhixin, LIU Chunbo
    2020, 51(3): 221-226.
    Abstract
    Influence of Occurrence Characteristics of Weak Interlayer on Slope Stability
    ZHAO Ruhui, ZHOU You, WANG Wei, LI Tao
    2020, 51(3): 227-230.
    Abstract
    Movement and Deformation Characteristics and Stability Analysis of Mining Slope at Different Inclination Angles
    FAN Kegong, JING Chunyuan, NIU Shengming, FAN Deli
    2020, 51(3): 231-234.
    Abstract
    Analysis of the Influence Law of Rainfall on Layered Soft Rock Slope
    LIU Yunsheng
    2020, 51(3): 235-238.
    Abstract
    Coal Mine Safety Evaluation and Application Based on Variable Weight and Normal Cloud Theory
    HUA Youjin, LI Xijian, CHEN Liuyu
    2020, 51(3): 239-242.
    Abstract
    Influence of Sensitive Leadership on Unsafe Behavior of Miners with Different Educational Levels
    MA Lin, LYU Yongwei
    2020, 51(3): 243-246.
    Abstract
    Statistical Analysis and Lessons of Accidents in Coal Industry of Russia During 2008 and 2018
    ZANG Xiaowe, SHEN Ruiqi, YURTOV E.V., SONG Zeyang, PAN Xuhai, JIANG Juncheng
    2020, 51(3): 247-251,256.
    Abstract
    SD Simulation of Factors Influencing Unsafe Behavior of Miners From Perspective of Affective Eventst
    YANG Xue, FENG Nianqing, ZHANG Hanyuan, YANG Juan
    2020, 51(3): 252-256.
    Abstract
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