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Effect of Pore Fractal Characteristics of Gas Coal on Gas Adsorption
LIU Jikun, LI Chengzhu, WANG Cuixia
2020, 51(9): 1-5,10.
Abstract
Experimental Study on Pressure Relief Gas Extraction of Goaf with Large Diameter Borehole inHigh Gas Close Distance Coal Seams
SHAO Guoan, ZOU Yongming
2020, 51(9): 6-10.
Abstract
Effect of Electric Potential Gradient on Methane Adsorption and Desorption Behaviors in Lean Coal Modified by Electrochemical Treatment
ZHANG Xiaoyu, KANG Tianhe, ZHANG Runxu, ZHANG Bin, KANG Guanxian, ZHANG Liankun
2020, 51(9): 11-15.
Abstract
Sensitivity Analysis of Influence of Many Factors on Coal Permeability Under Non-isostatic Deviating Stress
ZHANG Yaqi, PENG Wenqing
2020, 51(9): 16-19.
Abstract
Influence of Different Geological Structures in Yangquan Mining Area on Outburst-related Physical Parameters of Coal
LINGHU Jianshe, YAN Zhiming, XU Chao
2020, 51(9): 20-23,29.
Abstract
Experimental Study on Air-drying Heat and Spontaneous Combustion Characteristics of Hydrated Coal
DONG Ziwen, PI Zikun, LUO Chen, PENG Bin, MENG Liping, WEI Shilong
2020, 51(9): 24-29.
Abstract
Preparation and Properties of a Novel Coal Dust Inhibitor with Cross-linked Network Structure
HUANG Xueman, DING Guanghui, ZHANG Qian, LU Wei
2020, 51(9): 30-34.
Abstract
Study on Applicability of Different Desorption Formulas to Gas Desorption of Mixed Particle Coal
LI Xiulei
2020, 51(9): 35-40.
Abstract
Preparation and Properties of High Water Filling Material for Coal Gasification Slag
XU Yang, XU Zaigang, XIE Hongfei, LI Cuiqin, CAO Yang, CHEN Qianlin
2020, 51(9): 41-46,51.
Abstract
Study on Micro-pores Characteristics of Coking Coal Under Long-term Gas Action
NIU Wenxing, FENG Zijun, YANG Yifan, WAN Zhijun
2020, 51(9): 47-51.
Abstract
Study on Reasonable Location of Top and Bottom Extraction Roadway of Confined Water Based on High Precision Micro-seismic Monitoring
YU Chunsheng, ZHAI Changzhi
2020, 51(9): 52-58.
Abstract
Study on　Evolution and Subsidence Fractal Characteristics of Overlying Strata in Thick Loose Layers and Thin Bedrocks
GUO Longhui, CHENG Hua, PENG Shilong, FU Baojie
2020, 51(9): 59-64.
Abstract
Aeolian Sand Paste Filling Material Ratio Based on Repeated Orthogonal Test
CAO Xiaofan, TANG Yichuan, DENG Niandong, SHANG Hui, WANG Yi
2020, 51(9): 65-70.
Abstract
Butted Technology Between Underground Directional Drilling Borehole and Vertical Well of Surface U-type Well Group
YANG Junzhe, JIN Xin, GENG Zengyang
2020, 51(9): 71-74,80.
Abstract
Collaborative Prevention and Control Technology of Coal Spontaneous Combustion in Goaf Under the Influence of High Pumping Alley
XING Lijie, LIU Fen, JIN Yan, SONG Yushan, GUO Jun
2020, 51(9): 75-80.
Abstract
Air Leakage Technology of Micro Positive Pressure Sealing by Nitrogen Injection in Connection Roadway
LIU Zhongquan, WANG Wei
2020, 51(9): 81-84,88.
Abstract
Control Technology of Coal Spontaneous Combustion Fire in Complicated Surroundings
CAO Kai
2020, 51(9): 85-88.
Abstract
Prevention and Control Technology of Rock Burst in Roadway Excavation in Irregular Remaining oal Pillar Area Adjacent to Goaf Side
DONG Jingyuan, XUE Chengchun, CAO Anye, BAI Xianxi, GU Yu, ZHOU Changfeng
2020, 51(9): 89-93.
Abstract
Treatment Technology of Roof Watering in Ditch Driving Roadway of Shallow Coal Seam
GAO Bin, JI Zhongkui, YANG Fan, ZHANG Chi, REN Zhizhi, LUO Ankun, XUE Xiaoyuan
2020, 51(9): 94-97.
Abstract
A Device for Straight Drilling of Coal Mine Gas Extraction Borehole
DUAN Zhiguo
2020, 51(9): 98-100.
Abstract
A State Sensor for Air Door of Main Fan in Coal Mines
CHENG Yulong, WANG Zuxun
2020, 51(9): 101-103.
Abstract
Automatic Control Air Conditioning System of Shutter Wind Window in Tangshan Mine
SU Peiyang, ZHU Lingqi, ZHANG Jiayong, ZHOU Yiting
2020, 51(9): 104-107.
Abstract
Study on Mechanism of Rock Core Plugging at Bottom of PDC Reverse Circulation Coring Bit for Nearly Horizontal Hole
TANG Shengli, FANG Jin, LI Quanxin, LIU Jianlin, ZHAO Jiangpeng
2020, 51(9): 108-113.
Abstract
Mine Gas Chromatograph Based on Network Remote Control
ZHANG Junjie
2020, 51(9): 114-117.
Abstract
Long Distance Intrinsically Safe Power Supply Technology in Coal Mines
LIU Yahui
2020, 51(9): 118-121.
Abstract
Large Diameter and Fast Plug-in Type Spiral Drill Pipe for Drilling Down Screen Pipe Without Lifting
YANG Huwei
2020, 51(9): 122-125.
Abstract
ZDY2-300LM Full Hydraulic Drilling Rig with Double Working Arms
SHAO Junjie, ZHANG Ning
2020, 51(9): 126-129.
Abstract
Study on Pressure Release Performance of a New Type of Anchor Cable Pressure Release Device
WU Yuyi
2020, 51(9): 130-133.
Abstract
Safety Requirements of Refuge Chamber in Underground Coal Mines
SHI Zhiyuan, PING Lihua, YUAN Xiaoming
2020, 51(9): 134-136.
Abstract
Trajectory Control Technology of Bedding Drilling in Medium Thick Coal Seam
DONG Haichao, ZHAO Yongzhe
2020, 51(9): 137-139,143.
Abstract
Design of a New Anti-car-running Barrier in Underground Coal Mine
SUN Debiao, ZHENG Yi, YANG Ailan, QIU Deyi, CHEN Yong
2020, 51(9): 140-143.
Abstract
Application of KJ768 Micro-seismic Monitoring System in Early Warning of Strong Mine Pressure Disaster in High Gassy Mines
ZHANG Guanghui, DENG Zhigang, JIANG Junjun, AN Yujia
2020, 51(9): 144-147.
Abstract
New Rapid Sealing Material of Deep Hole Blasting and Its Process
LU Xiaorong, LI Xifan, XIONG Zuqiang, HU Yachao, WANG Yan
2020, 51(9): 148-152.
Abstract
Reinforcement and　Toughening of Polyurethane Reinforcement Materials and Engineering Application
PAN Shuqi, LIU Lizong, GUO Jianwei, WANG Yuchao, YU Xiaofeng, BAI Guangfeng, YU Guang, SUN Gang
2020, 51(9): 153-156,161.
Abstract
Advanced Support Technology for Large Section Roadway in Thick Coal Seam
GUO Wenbin, MA Chuanbin, SONG Wenjie
2020, 51(9): 157-161.
Abstract
Application of Nonpillar Mining Technique with Automatically Formed Entry by Roof Cutting and Pressure Release Under Different Coal Seam Thicknesses
GAO Yubing, ZHEN Enze, MA Zimin, WANG Yajun
2020, 51(9): 168-173.
Abstract
Study on Pressure Relief Effect of Overlying Coal and Rock Mass in Mining Under Protective Layer
DENG Guangzhe, FU Yingkai, YANG Dong
2020, 51(9): 174-178,186.
Abstract
Pressure Relief Effect of Overlapping Mining of Upper Protective Layer with Large Spacing
KOU Jianxin, ZHANG Jinjing, SUN Juzheng, ZHOU Yang, SUN Weiji
2020, 51(9): 179-186.
Abstract
Evaluation of Coal Reservoir Property and Favorable Area of Coalbed Methane Resources in Jiergalangtu Depression of Erlian Basin
WANG Tao, DENG Ze, HU Haiyan, WU Song, FAN Wentian
2020, 51(9): 187-191.
Abstract
Influencing Factors Analysis of Coal Permeability Improvement Under the Action of Supercritical CO2
CHEN Pan, WANG Zeqi
2020, 51(9): 192-195.
Abstract
Numerical Simulation of Spontaneous Combustion in Goaf Based on Ventilation and Advancing Degree
LI Shengxin, SUN Zhenping, LIU Chungang
2020, 51(9): 196-200.
Abstract
Design on Waterproof Safety Coal Pillar at Outcrop Area of Thick Coal Seam Under he Large Thick Jurassic Red Stratum
XIE Huadong
2020, 51(9): 201-204.
Abstract
Study on Prevention and Control of Mining Disaster and Mechanical Behavior of Deep Steep Coal Seam
WANG Ning
2020, 51(9): 205-210.
Abstract
Study on Caving Property of Top Coal in Fully Mechanized Caving Face with Double Inclined and Large Dip Angle
ZHANG　Bei, YANG Yuanzhong
2020, 51(9): 211-216,221.
Abstract
Detection of CO Purification Effect in Mine Refuge Chamber
WANG Chen, ZHU Huotian, ZHANG Mingqing
2020, 51(9): 217-221.
Abstract
Stress Evolution and Roof Breaking Characteristics of Surrounding Rock in Oblique Longwall Mining Area of Steeply Dipping Seam
WU Yongping, LIU Wanghai, XIE Panshi, TIAN Shuangqi
2020, 51(9): 222-227.
Abstract
UDEC Numerical Analysis for Surface Subsidence Characteristics Under Different Mining Methods
LIU Zhaoxing
2020, 51(9): 228-234.
Abstract
Influence of Width to Height Ratio on Surrounding Rock Stability for Short Wall Backfillling　Rodway
SONG Tianqi, ZHU Lei, LIU Zhicheng, GU Wenzhe, PAN Hao, ZHANG Xinfu, QIU Fengqi, SONG Liping
2020, 51(9): 235-239.
Abstract
Numerical Analysis of Dynamic Instability Response Characteristics in Roadways Triggered by Shock Wave
LYU Pengfei, LIU Tianqi, BAO Xinyang, LI Xuping
2020, 51(9): 240-244.
Abstract
Analysis on Hidden Dangers of Staff Behavior in Xinglongzhuang and Research on SAE Closed-loop Management System
ZHOU Bo, LUAN Jianwei, MAO Yufei, YU Yanbin, JIANG Aiwei
2020, 51(9): 245-249.
Abstract
Research on Efficiency Evaluation of Occupational Health Management in Coal Mine Based on DEA
LI Chunhe
2020, 51(9): 250-254.
Abstract
Research on Green Mining Efficiency of Coal Enterprises Based on Two-Stage DEA Model
HOU Dang, LIANG Zhixia
2020, 51(9): 255-259.
Abstract
Research on Miners’ Unsafe Behavior Based on Long and Short Term Memory
JU Chunlei, NIE Fangchao, LIU Wengang, GUO Jinshan, ZHANG Jiangshi
2020, 51(9): 260-264.
Abstract
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