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    Study on Reasonable Arrangement of Gas Pre-drainage Borehole Along Seam in Outburst Thin Coal Seam
    MA Guoqiang, CHEN Jiufu
    2019, 50(4): 1-5.
    Abstract
    Study on Pressure Unloading Effect of Lower Coal Seam Under Upper Protective Layer in a Kilometer Deep Well
    DAI Zhixu, LIU Qiang
    2019, 50(4): 6-9.
    Abstract
    Gas Desorption Characteristics of Tectonic Coal and Its Influence on Coal and Gas Outburst
    JIN Bing
    2019, 50(4): 10-13.
    Abstract
    Influencing Factors of Gas Seepage Flow in Advance Pressure Relief Area of a Mining Seam
    WU Dongmei, ZHAO Wei, SHI Dajun, QIU Haisheng
    2019, 50(4): 14-18.
    Abstract
    Study on Preparation and Properties of Compound Dust Suppressant Under Microwave Irradiation
    WANG Zhenyu, WANG Fei
    2019, 50(4): 19-22.
    Abstract
    Experimental Study on Permeability Improvement of Deep Hole Pre-splitting Cumulative Blasting in Low Permeability Coal Seam
    GAO Xinyu, LIU Jian, ZHANG Chao, ZHANG Chi
    2019, 50(4): 23-26,31.
    Abstract
    Experimental Study on Combined Detection of Drilling Water Injection in Coal Mining Face
    LIU Baixiang
    2019, 50(4): 27-31.
    Abstract
    Simulation Study on Detection of Collapse Column in Coal Face Based on Transmitted Slot Wave
    MA Xin, YANG Sitong, LI Xinfeng, GUO Xiaodong, BAI Jinlin, WEN Zhijie, ZHANG Liang
    2019, 50(4): 32-36.
    Abstract
    Temporal and Spatial Evolution of Surface Soil Erosion in Mining Subsidence Areas
    ZHAO Ling, SU Tao, LI Jiewei, ZHOU Liang, FAN Yu
    2019, 50(4): 37-40.
    Abstract
    Dynamic Characteristics and Deformation Failure Mechanism of Composite Structure Concrete
    LI Ling, QIAN Xuedeng, WANG Ke
    2019, 50(4): 41-45.
    Abstract
    Influence of Argillaceous Content on Mechanical Properties and Failure Characteristics of Sandstone
    HAN Yingwei, WANG Guowei, MA Hongfa
    2019, 50(4): 46-49,53.
    Abstract
    Orthogonal Experimental Study on Sensitivity of Yielding Tube Material Characteristic Parameters
    QIN Zhongcheng, FU Biao, ZHOU Yang, SUN Wei
    2019, 50(4): 50-53.
    Abstract
    Structural Design and Experimental Study on Mechanical Properties of Sand Column Support
    ZHANG Ruixin, LI Peng, WEI Bo, LU Jianyu, LI Shidong, JIANG Yaodong, KONG Biao, YANG Tao, ZUO Yujun
    2019, 50(4): 54-57,62.
    Abstract
    Mechanical Characteristics and Acoustic Emission Characteristics of Limestone Triaxial Unloading After High Temperature Effect
    CHEN Haiqing, MENG Lubo
    2019, 50(4): 58-62.
    Abstract
    Study on Properties of Coal Gangue Foam Concrete
    ZHENG Xiaolei, MA Qihua, CAO Furong, ZHANG Qingyun
    2019, 50(4): 63-66.
    Abstract
    Study on Damage Strength of Sprayed Shotcrete with Accelerating Agent Under Impact Load
    FANG Yue, MA Yadong, PAN Changchun, ZONG Qi
    2019, 50(4): 67-71.
    Abstract
    Strip Gas Pre-pumping Technology in Horizontal Well of Broken Soft and Low Permeability Coal Seam Roof
    ZHANG Dongliang
    2019, 50(4): 72-76.
    Abstract
    Prevention and Control Technology of Rock Burst During Excavation Process of Gob-side Roadway with Hard Roof
    LI Yaowen, WEN Yingyuan, CAO Anye, XUE Chengchun, GU Yu, LYU Guowei
    2019, 50(4): 77-80.
    Abstract
    Control Technology of Roadway Surrounding Rock with Strong Dynamic Pressure and High Horizontal Stress
    ZHAO Fei
    2019, 50(4): 81-84,89.
    Abstract
    Water Disaster Detection Technology in Return Airway of Gaojiazhuang Coal Mine
    LIU Chaolin, LI Jun, GUO Yingjie
    2019, 50(4): 85-89.
    Abstract
    Stress Transfer Technique for Close Distance Coal Seam Pre-excavation Roadway
    LI Jianguang
    2019, 50(4): 90-94.
    Abstract
    Rapid Removing Technology of Fully Mechanized Mining Face with Large Inclined Angle During the Period of Finishing Work
    TAN Fuqing
    2019, 50(4): 95-97，100.
    Abstract
    A Back Reaming Device for φ311.2 mm Pneumatic DTH Hammer
    WANG Linjie, XU Kanshe, ZHANG Jing, CHANG Tao
    2019, 50(4): 98-100.
    Abstract
    One-step Hole Forming Technology and Device Based on Large Aperture Casing Drilling
    ZHU Zhao
    2019, 50(4): 101-103.
    Abstract
    Development of Micro-gas Controller for Inlet End of GC4000 Gas Chromatograph
    LU Weidong, CHEN Zhifeng, CHENG Gang, ZUO Chen
    2019, 50(4): 104-107.
    Abstract
    Influence of Bolt-net Support on Mine Transient Electromagnetic Response and Its Correction
    SHI Zhihao, CHENG Jiulong, DONG Yi, WEN Laifu
    2019, 50(4): 108-111.
    Abstract
    Study on Ignition Characteristics of Capacitive Discharge in Complex Intrinsically Safe Circuits
    WANG Zhenlong, WU Dongni
    2019, 50(4): 112-115.
    Abstract
    Research on Panoramic Modeling and Fault Rendering System of Fully Mechanized Coal Mining Face in VR Environment
    ZHOU Shuai, LI Juanli, XIE Jiacheng
    2019, 50(4): 116-119.
    Abstract
    Development and Application of a New Full Hydraulic Roadway Reparing Machine for Coal Mine
    LI Xutao
    2019, 50(4): 120-123.
    Abstract
    Safety Partition Method of Fully Mechanized Mining Face Based on Gridding
    LI Peng, LI Guanhua
    2019, 50(4): 124-127.
    Abstract
    Monitoring System for Dangerous Zone of Belt Conveyer Based on Thermal Imaging and ZigBee
    WANG Fangjie, SUN Lei, REN Hehe, WANG Yin
    2019, 50(4): 128-131.
    Abstract
    Failure Analysis of Feeding Supporting Plate of Truck-mounted Drilling Rig and Optimization Design
    ZOU Zujie
    2019, 50(4): 132-134.
    Abstract
    Development of Underground Electromagnetic Wireless Measurement While Drilling Instrument
    KANG Houqing
    2019, 50(4): 135-137,141.
    Abstract
    Application Research on Rapid Determination Technology of Coal Seam Gas Pressure
    ZOU Yongming
    2019, 50(4): 138-141.
    Abstract
    Application of Foam Fracturing in Stimulation of Deep Coalbed Methane Wells of Southern Yanchuan
    CUI Bin, LIU Xiao, WANG Fangwu, FU Yutong, YANG Song
    2019, 50(4): 142-144,148.
    Abstract
    Research and Application of Permanent Outburstproof Door for Encased Structures
    ZHOU Shaoxi, LI Pu, QIN Muguang
    2019, 50(4): 145-148.
    Abstract
    esign and Practice of Strip Mining Parameters for Large Dip Angle Coal Seam Under Confined Aquifer
    MA Junjie, FAN Deyuan, XU Qiang
    2019, 50(4): 149-153,163.
    Abstract
    Study on Fire Extinguishing Effect of Liquid Nitrogen Injection in Overlying Goaf of Close Distance Coal Seams
    SUN Liansheng, CHEN Baoyi
    2019, 50(4): 154-157.
    Abstract
    Detection on Water Abundance Ahead of Tunneling Based on Aligned Array Parallel Electrical Method
    QIU Zhanlin, WU Chaofan, CHEN Wenrong, WANG Lei, HUANG Junnan, ZENG Guiling
    2019, 50(4): 157-163.
    Abstract
    Study and Application of Deep Calcareous Clay Layer Frozen Shaft Wall Design
    ZHANG Aiyong
    2019, 50(4): 164-168.
    Abstract
    Analysis on Isosteric Adsorption Heat of High-rank Normal Coal and Deformed Coal
    LU Shouqing, SA Zhanyou, ZHANG Yongliang, LIU Jie, FANG Ting
    2019, 50(4): 169-172.
    Abstract
    Research Status and Prospect of Similar Materials for Coal and Gas Outburst
    ZHU Moran, XIONG Yunwei, DAI Linchao, ZHAO Bo
    2019, 50(4): 173-176,180.
    Abstract
    Emergency Disposal of Main Ventilator Stop Running and Recovery Ventilation
    ZHAO Huibo
    2019, 50(4): 177-180.
    Abstract
    Causes and Laws of Deformation and Failure of Roadway Along Gob in Thickened Coal Seam
    QIAN Zhiliang
    2019, 50(4): 181-185,190.
    Abstract
    Study on Spatiotemporal Evolution Laws of Anti-outburst Effect Area of Upper Protective Layer Mining
    GUO Huaiguang
    2019, 50(4): 186-190.
    Abstract
    Fire Protection Countermeasures and Application of Automatic Fire Extinguishing System for Explosion-proof Trackless Rubber-tyred Vehicle
    HE Jingqiang
    2019, 50(4): 191-194.
    Abstract
    Determination of Spontaneous Combustion Mark Gas and Critical Value of 3# Coal Seam
    2019, 50(4): 195-199,204.
    Abstract
    Influence Analysis of Coal Thickness Variation Zones in Faultson Dynamic Disasters of Coal and Rock
    QIAO Yonggang
    2019, 50(4): 200-204.
    Abstract
    Study on Roof Water Inrush Type and Its Discrimination in Cuimu Coal Mine
    ZHOU Jianjun
    2019, 50(4): 205-207,212.
    Abstract
    Study on Optimal Roadway Height Parameter of Gob-side Entry Retaining in Thick Coal Seam Under Hard Roof Condition
    ZHANG Jianchao, YANG Sen
    2019, 50(4): 208-212.
    Abstract
    Mechanical Mechanism of Working Face Roof Under Variable Coefficient of Subgrade Reaction in Filling Mining
    FENG Chao, LI Guangzhou, WANG Junwei, CUI Qingyuan
    2019, 50(4): 213-217.
    Abstract
    Optimization of Mining Stress and Activation Law for Different Fault Drops
    LI Meiyan, ZHU Feilong
    2019, 50(4): 218-222.
    Abstract
    Failure Characteristics and Support Parameters Optimization of Mining Roadway in Bulianta Mine
    TANG Qingbao, YANG Gang, ZHANG Qi, QIAO Boyang
    2019, 50(4): 223-227,232.
    Abstract
    Feasibility Study on Repeated Mining Operation Under Buildings in Guanshan Coal Mine
    TI Zhengyi, ZHANG Feng, QIN Hongyan
    2019, 50(4): 228-232.
    Abstract
    Comparative Analysis on Safety Mutual Recognition of Mine Roadheader in China and Ukraine
    GAN Boping, LUO Yi
    2019, 50(4): 233-236.
    Abstract
    Reliability Analysis of Underground Roadway Bolt Support Based on Central Point Method
    LI Jian, GUO Zhongping, GUO Jiaxing
    2019, 50(4): 237-240,244.
    Abstract
    Stability Analysis and Treatment Measures of Southern Side Slope of an Open-pit Coal Mine
    CHEN Yafei, JI Yushi, HAN Meng
    2019, 50(4): 241-244.
    Abstract
    Present Situation and Countermeasures of Electromechanical Accidents in Coal Mine
    LI Mingxuan
    2019, 50(4): 245-247.
    Abstract
    Applicability of Risk Assessment Models in Assessment of Occupational Hazards in Coal Mines
    YUAN Shujie, JIANG Li, WANG Xiaonan
    2019, 50(4): 248-252.
    Abstract
    Influence of Self-control Ability on Miner’s Habitual Peccancy
    LI Yue
    2019, 50(4): 253-256.
    Abstract
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