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    Adsorption and Desorption Characteristics of CH4 on Coal with Different Depths in Gujiao Mining Area of Xishan Coalfield
    ZHOU Jiarui, SONG Xiaoxia, LI Wei
    2020, 51(12): 1-7.
    Abstract
    Effects of Cementing Agent and Particle Size Distribution on Adsorption and Permeability of Briquette
    SU Shilong, LI Libing, GUO Xiaoyang, MU Yongliang
    2020, 51(12): 8-11.
    Abstract
    Experiment and Application Study of Two-component Composite Grouting Material for Mine
    BAI Longjian, YAN Guochao
    2020, 51(12): 12-17,22.
    Abstract
    Study on Response Law of Coal Pore Structure and Permeability Affected by Different Time of Acidification
    QIN Xinglin
    2020, 51(12): 18-22.
    Abstract
    Influence of Pore Structure of Coal-based Activated Carbon on Separation of Low-concentration Gas
    ZHANG Yachao, FU Hanghang, WANG Fujun, WENG Qi, DOU Chengyi
    2020, 51(12): 23-26.
    Abstract
    Study on Thermal Loss and Heat Transfer Characteristics of Oxidized Spontaneous Combustion of Coal-based Activated Carbon
    PANG Pan, XIAO Yang, LIU Kunhua, HUANG Chuanliang, LU Xiaodong
    2020, 51(12): 27-33.
    Abstract
    Study on Hydraulic Connection　of Multiple Aquifers Based on Dewatering Test of Sandstone Aquifer from Floor
    ZHAO Baofeng, LYU Yuguang
    2020, 51(12): 34-39.
    Abstract
    Simulation Study on Parameters of “High-level Annular Body” for Surface Drilling and Drainage Face
    GUO Zhongkai, HUANG He, YU Guofeng, CHEN Benliang, CHENG Haiyan, YU Yunfei
    2020, 51(12): 40-44.
    Abstract
    Risk Prediction of Water Inrush from Roof of Ultra Thick Coal Seam Based on GIS
    LONG Liangliang, WANG Shengquan, XIAO Lele, NIU Chao
    2020, 51(12): 45-49,55.
    Abstract
    Effect of Low Temperature Oxidation Process on Coal Quality Characteristics of Coal with Different Metamorphic Degrees
    WANG Hao, SONG Wanxin, WANG Chuanyi, ZHANG Quan, YANG Shengqiang
    2020, 51(12): 50-55.
    Abstract
    Study on Deformation and Failure Laws of Surrounding Rock in Layered Rock Roadway by Discrete Element Method
    WANG Huifeng, SONG Libing
    2020, 51(12): 56-62.
    Abstract
    Study on Developing Mechanism of Coal Pillar Pressure of Shallow Coal Seams with Thick Seam Spacing Passing Through Overlying Goaf
    ZHANG Jie, CHEN Cheng, ZHANG Jianchen, ZHOU Fuwei, LONG Jingjing
    2020, 51(12): 63-68.
    Abstract
    Influence of Physical Parameters of Coal Seam on “Cross” Phenomenon of Rayleigh In-seam Wave Dispersion Curve
    HE Daxi, ZHU Peimin, SHEN Suishui, CAI Wei, WANG Wengang
    2020, 51(12): 69-74.
    Abstract
    Mine Comprehensive Fire Prevention and Extinguishing Technology for Shallow Buried Short Distance Coal Seam Group
    AN Shigang
    2020, 51(12): 75-78.
    Abstract
    Technology of Long-Distance Draining Goaf Water Under the Condition of Repeated Mining
    LI Xiaolong, MU Pengfei
    2020, 51(12): 79-84.
    Abstract
    Surrounding Rock　Stability Control Technology of Soft Rock Roadway Passing Water Conductive Faul
    WANG Junliang
    2020, 51(12): 85-92,99.
    Abstract
    Support Technology of Limestone Roof Roadway in Qiuji Coal Mine
    WU Shanyuan, ZHU Qingwen, YUN Ming, LI Tingchun, XU Qingguo, GUO Hongyun
    2020, 51(12): 93-99.
    Abstract
    Mine Outburst Prevention Information Prediction Equipment System and Its Application Effect
    XU Xuezhan
    2020, 51(12): 100-104.
    Abstract
    Safe Operation Technology of Main Fan in Zhaogu No.1 Coal Mine
    HU Yongli
    2020, 51(12): 105-108.
    Abstract
    Analysis of Influencing Factors of Wireless Charging Safety in Underground Coal Mine and Countermeasures
    MENG Jijian, CHEN Yongran
    2020, 51(12): 109-112.
    Abstract
    On-line Intelligent Safety Monitoring Technology of Mine Switchgear
    FU Wenjun
    2020, 51(12): 113-115.119.
    Abstract
    Coal Level Monitoring System for Coal Bunker Based on Wave Mesh
    YANG Xue, WU Renzong, MA Yuehao, ZHANG Yanglyu, MENG Fanmeng
    2020, 51(12): 116-119.
    Abstract
    Crawler Type Blasthole Drilling Rig for Fully Mechanized Mining Face Crossing the Fault
    WANG Tianlong, SONG Haitao, LIU Yiyang
    2020, 51(12): 120-122,127.
    Abstract
    Ultrasonic Gas Flowmeter for Mine Based on MS1030
    YAN Bin, DAI Chenyu
    2020, 51(12): 123-127.
    Abstract
    Personnel Motion Track Playback Technology Based on Web GIS
    LI Xia
    2020, 51(12): 128-132.
    Abstract
    Necessity Analysis on Remote Manual Leakage Tripping Test of Leakage Detection Protection Device in Underground Coal Mine
    GUO Chunping
    2020, 51(12): 133-139.
    Abstract
    Construction Technology Improvement and Application of Large Diameter Drilling in Broken Coal of Wangpo Coal Mine
    XUE Yanping
    2020, 51(12): 140-143.
    Abstract
    Technology and Application of Flushing Fluid Closed-Cycle for Directional Drilling in Underground Coal Mine
    LIU Jianlin, LI Quanxin, WANG Siyi, LIU Zhi, LIU Fei, XU Chao
    2020, 51(12): 144-147.
    Abstract
    Application of Wi-Fi 6 Technology in Coal Mine
    ZHANG Jinhao, CHEN Min
    2020, 51(12): 148-150,154.
    Abstract
    Intelligent Supervision System for Vehicles and Drivers in Large Open-pit Operation Site
    YANG Yang, WANG Danyang, LYU Wenwei, ZHANG Yu, WEI Yufei, HE Xiao, HAN Guolu
    2020, 51(12): 151-154.
    Abstract
    Friction Safe Monitoring System for Tail Rope and Branch Rope Beam of Main Hoist in Coal Mines
    WANG Detang, DONG Bo, WANG Xinmao, SHU Hanru
    2020, 51(12): 155-158.
    Abstract
    Rock Hardness Identification Based on Cutting Motor Current of Roadheader
    HE Ying, TIAN Muqin, SONG Jiancheng, FENG Junling, DONG Zonghui
    2020, 51(12): 159-162.
    Abstract
    Relationship Between Factors Affecting Anti-explosion Strength and Weight Increase of Mine Refuge Chamber
    WANG Lei
    2020, 51(12): 163-166.
    Abstract
    Detection Method of Longitudinal Tear for Mine Conveyer Belt Based on Improved Gaussian Mixture Model
    GUO Jian, QIAO Tiezhu, CHE Jian
    2020, 51(12): 167-170.
    Abstract
    Application of Intelligent Permanent Magnet Direct Drive System of Belt Conveyor in Majialiang Coal Mine
    MA Pengfei, HUANG Zhidong
    2020, 51(12): 171-174.
    Abstract
    Application of Regional Gas Drainage Technology System by Borehole Instead of Tunnel
    TAO Yunqi, ZHANG Fan, WU Jingang, LI Guodong, YU Hong
    2020, 51(12): 175-178.
    Abstract
    Application of Liquid Carbon Dioxide Injection in Ground Drilling for Fire Preventing and Extinguishing in Goaf
    LYU Yinghua
    2020, 51(12): 179-183.
    Abstract
    Segmented Pre-grouting Technology for 1 000 m-level Blind Shaft Water Blocking in Southwestern Mining Area
    HE Wen, XIANG Junxing, SUN Bangtao
    2020, 51(12): 184-187,191.
    Abstract
    Structure Detection and Intelligent Mining Technology of Working Face UnderComplex Geological Conditions
    LIANG Wenbin, FAN Kai, ZHUO Jun
    2020, 51(12): 188-191.
    Abstract
    Research on Advanced Detection of Seismic Wave in Driving Coal Roadway Based on Coal Rock Characteristic Elastic Parameters
    DENG Shuaiqi, LI Donghui, ZHAO Pengpeng
    2020, 51(12): 192-197.
    Abstract
    Evaluation of Co-exploration Potential of Coalbed Methane and Tight Sandstone Gas in Hegang Basin
    ZHAO Lifang, ZHANG Zhou, YANG Jin
    2020, 51(12): 198-202.
    Abstract
    Comparative Study of Coal Sample Stress Sensitivity Characterized by Different Methods
    ZHU Hanjing, SHI Yongli, LI Linji, ZHANG Miao
    2020, 51(12): 203-206,213.
    Abstract
    Evaluation and Optimization of Coalbed Methane Utilization Mode in Yangquan Mining Area
    LI Yaoqian
    2020, 51(12): 207-213.
    Abstract
    Study on Pores and Fractures Characteristics of Coal in Boli Basin
    YANG Jin, ZHANG Zhou, ZHAO Lifang
    2020, 51(12): 214-218.
    Abstract
    Ascertainment of Coal Spontaneous Combustion Mark Gas and Critical Value
    WANG Wei
    2020, 51(12): 219-223.
    Abstract
    Correlation Degree Analysis of Factors Influencing CO Accumulation in Return Air Corner of Chahasu Coal Mine
    ZHANG Yubo, ZHANG Jian, FENG Jiansheng, LI Lei, AN Jingyu
    2020, 51(12): 224-227.
    Abstract
    Observation of “Three Zones” of Spontaneous Combustion in Goaf Under the Influence of Gas Drainage in Outburst Coal Seam
    LI Xin, LIU Dongming, TANG Hui, WANG Bo
    2020, 51(12): 228-231.
    Abstract
    Study on Main Control Factors for Karst Collapse Column Water Inrush in Coal Mines
    SHI Hongmiao, YAO Banghua, WEN Zhihui, MA Qingqing
    2020, 51(12): 232-236.
    Abstract
    Study on Key Parameters of Hard Roof Cutting and Pressure Release and Roadway Retaining in Medium Thick Coal Seam
    LIU Dajiang, XU Xuhui, ZHU Hengzhong, OUYANG Feng
    2020, 51(12): 237-243.
    Abstract
    Study on Surface Subsidence Coefficient of Coal Seam Mining in Northern Shaanxi Mining Area
    LIU Chenguang, LIU Yang, HE Shenglin, FANG Gang, LIANG Xiangyang, HUANG Hao
    2020, 51(12): 244-249.
    Abstract
    Research on Optimization of Roadway Support Based on Parameterized Numerical Calculation Inversion Analysis
    FU Qiang
    2020, 51(12): 250-255.
    Abstract
    Stress Recovery Law of Six-Direction Pressure Sensor Embedded in Rheological Rock
    YANG Zhanbiao, ZHU Yuanguang, WANG Lei, ZHAO Wanli
    2020, 51(12): 256-262,269.
    Abstract
    Study on Distribution Characteristics of Floor Stress Field Induced by the First Mined Coal Seam
    HAN Feilin, ZHENG Chunshan, XUE Sheng, WANG Zhigen, WANG Yong
    2020, 51(12): 263-269.
    Abstract
    Failure Mechanism of Surrounding Rock and Reinforcement Support Scheme of Roadway in Goaf Side
    WU Xiangye, WU Lin, LIU Weifeng, GUO Wenbin, LI Jianwei, WANG Jingya
    2020, 51(12): 270-276.
    Abstract
    Stability Analysis of Roadway in Weakly Consolidated Formation Based on Clay Mineral Content
    ZHAO Weisheng, LIANG Wei, XU Mengtang, LIU Bin
    2020, 51(12): 277-282.
    Abstract
    Layered and Stability Evaluation Method of Waste Dump Based on Remolding Characteristics of Rock and Soil
    SONG Renzhong, HAN Xing, YANG Ri, SHE Changchao, HAN Liu
    2020, 51(12): 283-287.
    Abstract
    Influence Mechanism of Distribution Position of External Dumping on Stability of Composite Slope in Open-pit Coal Mine
    CHEN Yu
    2020, 51(12): 288-291.
    Abstract
    Establishment and Application of Three-level Warning Mechanism for Gas Management
    YIN Zhipeng
    2020, 51(12): 292-295.
    Abstract
    Study on Optimization of Coal Mine Safety Risk Evaluation Index System
    GAO Tong, LIU Yun, HUANG He, SUN Jianlin
    2020, 51(12): 296-300.
    Abstract
    Analysis of Influence of Miners’ Safety Motives on Safe Behavior Choice
    GUO Jianghui, XIN Song, JIN Xiaona, JIANG Yewei, ZHANG Zhaopeng
    2020, 51(12): 301-304.
    Abstract
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