1Experimental Study and Mechanism Analysis of Coal Surface Potential in Unsteady Flowing GasXIE Shao-dong, WANG En-yuan, LI Zhong-hui, XU Fu-le, GUO Jin-dong, WEI Ming-yao1-42Numerical Simulation Study of Gas Explosion Dissemination in Ingnition EnergyQIU Rui-lai5-83Experimental Study on the Relationship between Flame Temperature and Propagation Velocity of Gas ExplosionLIU Zhen-tang, XI Run-ze, WANG Cong-yin, JIA Ying-mei, YU Xiao-yue, MA Guo-qiang9-124Numerical Simulation on Distribution of "Three zones" in Gob of Full-mechanized Caving Face before and after Being Injected NitrogenYAO Yuan-ling, HU Po, LI Jie-ying, XU Qin, LU Yi13-16,215Study on the Characteristics of Gas Swirling Jet Field in Nitrogen-Water Mist Atomization DeviceGUO Xin-an, WANG De-ming, YANG Yong-bin, REN Wan-xing, HAN Fang-wei17-216Numerical Simulation on Concentration Distribution Of Three-phase Foam Influenced by Air Velocity Based on FluentXU Qin, Qin Bo-tao, JIANG Zhong-cheng, LU Yang-jie, YAO Yuan-ling22-257Research on the Microseismic Activity of Fault Reaction Induced by Coal MiningGUO Xiao-qiang, DOU Lin-ming, LU Cai-ping, LI Zhong-kai, LIU Biao, LU Chang-guo26-308Pressure Relief Deformation of the Upper Coal Seam and Evolution Laws of Permeability When Drilling Thin Coal SeamZHANG Jian-fu30-349The Design for Space of Gas Drainage drills of the Coal Seam Based on MATLAB35-3710The Technology of Gas Control in the Third Level 30# Seam on Working Face of Dayan Second MineLIU Meng-he, ZHANG Ji-wei38-3911The Technology of Sub-Source Gas Control on High Gassy Face of Low-Gas Coal MineLI Xin-chao, WEI Xin-jie, WU Long-an40-4212The Statusquo Analysis on Mine Ventilation System before Combination and Founding of Ventilation Database42-4513The Calculation Model of Air Leakage Distribution in Goaf Based on the Network SolutionsWEI Yin-shang, SHAO Wei-hang, WANG Hui46-4914Analysis on Stability Mechanism and Control Technology of Roof in Large Section Coal Roadway50-5315Discussion on the Main Types of Inrush Water and Prevention Technology in Coal Mine53-5616Opthread-Prestressed Strand Anchor Reinforcement Technology for Shallow PillarFENG Wei, BAI Jian-biao, CHEN Ke57-5917Study on Mining Roadway Boll Control Technology in Island Coal Face60-6318The Design of Intelligent Miner's Lamp Controller SystemJIN Guang-feng, WANG Cai-hong, WANG Xue-mei64-6619The Application of Ethernet Communication Based on OPC in the Grouting Monitoring System67-7020The Design and Realization of Two-Light Source Miner's lamps Based on Electronic Switch ControlMENG Xiao-ping, Qu Ting, WANG Zuo-wen71-73 