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    Low Production Mechanism of Coalbed Methane in Soft and Low Permeability Coal Seam of Zhaozhuang Block
    JI Changjiang, XIN Kai, YANG Changyong, CHANG Huizhen, TIAN Qingling, JIA Jinsheng
    2020, 51(7): 1-5.
    Abstract
    Study on Gas Drainage Characteristics Based on Permeability Anisotropy of Coal
    ZHANG Wei, ZHENG Chunshan, XUE Sheng, JIANG Bingyou, WANG Zhigen, LIU Jian, WANG Yong
    2020, 51(7): 6-11,16.
    Abstract
    Mathematical Model of Desorption Curve and Desorption Gas Content Test Method for Low-rank Coal Samples
    WANG Lei, LYU Yahui, WANG Cong
    2020, 51(7): 12-16.
    Abstract
    Influence of Electrochemical Modification on Adsorption and Desorption Characteristics of Lean Coal Gas
    LIU Yanze, KANG Tianhe, ZHANG Xiaoyu, KANG Jianting
    2020, 51(7): 17-21.
    Abstract
    Study on Non-darcy Seepage Mechanism of Gas Migration in Coal
    WEI Le
    2020, 51(7): 22-25.
    Abstract
    Characteristics of Gas Adsorption Kinetics of Coal Particles with Different Sizes Based on Dual Combined First-order Rate Function
    MA Jinkui
    2020, 51(7): 26-30.
    Abstract
    Experimental Study of Pre-oxidation Effect on Limit Parameters of Coal Secondary Spontaneous Combustion
    WANG Kai, HE Yunzhong, SHANG Bo
    2020, 51(7): 31-35.
    Abstract
    Water Formation and Inrush Risk of Overburden Strata for Extra-thick Coal Seam Mining
    ZHANG Peisen, YAN Fenqian, SUN Yanan, WU Junda
    2020, 51(7): 36-41.
    Abstract
    Delayed Failure Characteristics of Deep Coal Seam Floor in Goaf
    ZHANG Fengda
    2020, 51(7): 42-47.
    Abstract
    Experimental Study on Overburden Movement and Stress Variation of Coal Seam Mining with Associated Step Faults
    SUN Yanan, ZHANG Peisen, YAN Wei, ZHAO Yapeng, YAN Fenqian, WU Junda
    2020, 51(7): 48-54，60.
    Abstract
    Uniaxial Compressive Strength Test on Artificially Frozen Clay
    LI Huaixin, LIN Bin, FAN Dengzheng
    2020, 51(7): 55-60.
    Abstract
    Decompression Deformation and Stress Distribution of Underlying Coal Seam in Upper Protective Coal Seam Mining
    SA Zhanyou, WANG Li, LI Lei, LU Weidong, LU Shouqing, YANG Shuai
    2020, 51(7): 61-65.
    Abstract
    Study on Mechanical Properties of Coarse Grained Rock and Soil After Weakening and Its Effect on Slope Stability
    FEI Xiaoou, MIAO Haibin, WANG Qinghua, MA Mingkang, ZHAO He
    2020, 51(7): 66-69.
    Abstract
    Synergistic Prediction Technology of Coal and Gas Outburst of Far and Near Fields in High-efficiency Mine
    PU Yang
    2020, 51(7): 70-74,80.
    Abstract
    Control Technology of Support Stability in Thick Seam with Large Dip Angle Split-level Roadway
    MAO Jinfeng, WANG Peng, YANG Changde, LI Jinbo
    2020, 51(7): 75-80.
    Abstract
    Detection Technology of Unpowered Dust Concentration
    WU Fuxiang
    2020, 51(7): 81-85.
    Abstract
    Long-distance Fixed-point Detection and Drainage Technology of Goaf Water Under Complex Geological Conditions
    LIU Mingjun, LI Xiaolong, YANG Zhong, ZHANG Jiadi
    2020, 51(7): 86-91.
    Abstract
    Research and Development of Key Components of Positive Pressure Beam Tube Monitoring System
    ZHAO Xiaoxia
    2020, 51(7): 92-95.
    Abstract
    Near Uniform Air Distribution Design for Shunt of Nitrogen Making Device of Membrane Separation
    PAN Liang
    2020, 51(7): 96-99.
    Abstract
    A Kind of Power Integrated Regional Fire-fighting Internet of Things Optical Port Substation
    SUN Xiaodong, LIU Yongge
    2020, 51(7): 100-103.
    Abstract
    Monitoring Sub-station Design Based on Multi-master Communication Technology of CAN Bus
    SONG Yidong
    2020, 51(7): 104-107.
    Abstract
    Electromagnetic Compatibility Technology of Communication Cables in Coal Mine Monitoring System
    XIE Hao, ZHU Xiaojie, GAO Wenping, XIE Junsheng
    2020, 51(7): 108-112.
    Abstract
    Card Reading Substation of Mine Flameproof and Intrinsic Safety Based on STM32
    WANG Yangyang, HONG Yuling
    2020, 51(7): 113-116.
    Abstract
    Application of Communication Mode of Irregularly Controlled RS485 Bus in Monitoring System for Coal Mine Safety
    SHAO Yan
    2020, 51(7): 117-120.
    Abstract
    Development of Monitoring Terminal for Underground Mine Transfer Machine in Coal Mine
    SUN Lei, REN Hehe
    2020, 51(7): 121-124.
    Abstract
    Development Trends and Problems of Inspection Technology for Coal Mine Robot
    GUO Changna
    2020, 51(7): 125-127,131.
    Abstract
    Inspection Scheme of Coal Mine Belt Conveyor Based on UAV Technology
    LI Biao
    2020, 51(7): 128-131.
    Abstract
    High Precision Measurement Technology of Upward Drilling Depth in Coal Mine
    ZHANG Jun, WANG Xinwen
    2020, 51(7): 132-135.
    Abstract
    Speed Measurement System for Mine Locomotive Based on UWB
    LIU Shisen
    2020, 51(7): 136-139.
    Abstract
    Testing Method for Static Load Performance of Truck-mounted Drilling Rig
    DANG Lin
    2020, 51(7): 140-142,146.
    Abstract
    Safety Analysis and Management Measures of In-service Large Capacity Lithium Battery for Underground Mining
    YAO Yuan
    2020, 51(7): 143-146.
    Abstract
    Study on Reasonable Level of Roof Low Level Drainage Roadway in Sijiazhuang 15106 Working Face
    LIU Jiyong
    2020, 51(7): 147-151.
    Abstract
    Application of Modified Composite Slurry in Fire Area of Surface Slag Table
    WANG Gang
    2020, 51(7): 152-155,160.
    Abstract
    Application of Large Aggregate Accumulation Isolation Materials in Concealed Fire Source Treatment of Typical Small Kilns
    LI Shujing, WEI Changxin, GAO Ming, YU Guisheng, DU Hanlin
    2020, 51(7): 156-160.
    Abstract
    Water-rich Partition of Working Face Roof of Deep Buried Mine Based on Comprehensive Exploration Methods
    LIANG Xiangyang
    2020, 51(7): 161-165.
    Abstract
    Application of Gradient Boosting Algorithm in Hydraulic Support Selection of Typical Shallow Coal Seam
    ZHANG Jie, SUN Yao, XIE Danghu, CAI Weishan, LIU Qingzhou, LONG Jingjing
    2020, 51(7): 166-170,175.
    Abstract
    The Problem of Water Disaster in Deep Coal Seam Mining in Fengfeng Mining Area And Its Prevention And Control Measures
    WANG Tieji, WANG Zilong
    2020, 51(7): 171-175.
    Abstract
    Research Progress and Analysis on Influence Factors of Initial Velocity of Gas Emission
    GUO Pengshuai, GAO Jianning, ZHANG Chunpu, CHEN Xu
    2020, 51(7): 176-182.
    Abstract
    Sedimentary Facies and Favorable Coal Seam Analysis of Leping Formation (Late Permian)in Junlian Area
    ZOU Chen, MEI Jue, LI Jinping, ZHOU Ji’an, ZHANG Hanbing
    2020, 51(7): 183-188.
    Abstract
    Adsorption Thermodynamics Analysis of CO2 and CH4 on Anthracite Matrix Surface
    WU Tengfei, DU Xidong, HAO Yu, LI Qiqi
    2020, 51(7): 189-194,199.
    Abstract
    Synthetic Determination of Target Strata of Pilot Detection for Mining Area with Water Pressure
    ZHU Kaipeng
    2020, 51(7): 195-199.
    Abstract
    Explosive Conditions and Products Analysis of Different Particle Sizes Fat Coal and Its Explosive Residue
    LIU Zhentang, ZHOU Xifang, LI Xiaoliang, HONG Sen, LIN Song, QIAN Jifa
    2020, 51(7): 200-204,209.
    Abstract
    Mechanism and Prevention Measures of Rock Burst in Rapid Mining Face of Roof Drainage Area
    WANG Bo, ZHU Sitao, WEI Quande, GU Yingshi, LI Zhancheng, ZHANG Bin
    2020, 51(7): 205-209.
    Abstract
    Dust Distribution of PM5 and PM10 in Large Mining Height Fully-Mechanized Face
    SU Shilong, HAO Yongjiang
    2020, 51(7): 210-214,220.
    Abstract
    Effect of Cable Quantity in FLAC3D on Rock Bolt Pull-out Simulation Results
    DU Xueling
    2020, 51(7): 215-220.
    Abstract
    Analysis of Sedimentary Characteristics in Balasu Coal Field of Northern Yuheng Mining Area
    XU Shengji, LIU Yang, FANG Gang
    2020, 51(7): 221-227.
    Abstract
    Research on On-line Monitoring of Lateral Coal Stress and Deformation and Reasonable Delay Time of Gob-side Entry Driving in Deep Mine
    ZHANG Yang, XING Luyi, WANG Sheng
    2020, 51(7): 228-233.
    Abstract
    Stress Characteristics Analysis and Anchorage Mechanism of Pre-stressed Anchors Based on Surrounding Rock Deformation
    ZHAO Chengxing, LI Yingming
    2020, 51(7): 234-238.
    Abstract
    Research on Uncontrolled Subsidence of Roof Before Backfilling in Longwall Fully-mechanized Coal Mining
    SUN Shaolong
    2020, 51(7): 239-243.
    Abstract
    Instability Mode and Control Measures of High Slope in Waste Dump with Bedding Basement
    DING Xinpin, LI Fengming, LIU Bowen, REN Peng
    2020, 51(7): 244-247.
    Abstract
    Innovative Management System of “Dual” Fire Prevention and Control in College-Enterprise Cooperation
    HU Lei, XIE Xianming
    2020, 51(7): 248-251.
    Abstract
    Discussion on Cultivation Mode of Innovative Talents in Coal Mine Management of Information Engineering Major
    GUAN Yingchun
    2020, 51(7): 252-254,264.
    Abstract
    Effect Research of Error Management Climate on Controlling Miners’ Violation Behavior in Coal Mine
    YI Tao, LI Jizu, LIU Yuxin
    2020, 51(7): 255-260.
    Abstract
    Coal Mine Emergency Management Based on “4R” Crisis Management Mode and Its Application
    WEI Yinshang, LIU Peiyao
    2020, 51(7): 260-264.
    Abstract
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