1Experiment and Discovery on Permeability Improved Technology of Coal Reservoir Based on Repeated Strong Pulse Waves of High Energy AccumulationQIN Yong, QIU Aici, ZHANG Yongmin1-7,702Research on Key Issues of Mine Gas Prevention and Control and Utilization as well as Carbon EmissionJU Yiwen, LI Qingguang, TAN Fengqi8-143Status and Prevention Countermeasures of Coal and Gas Outburst Accidents in ChinaCHENG Yuanping, LIU Hongyong, ZHAO Wei15-184Main Geological Controls on Distribution and Occurence and Enrichment Patterns of Coalbed Methane in ChinaLIU Da meng, LI Jun qian19-245Application and Prediction Model of Coalbed Methane Content Based on Logging ParametersMENG Zhaoping, GUO Yansheng, ZHANG Jixing25-306Analysis on Major Borehole Sealing Methods of Mine Gas Drainage BoreholesWANG Zhaofeng, WU Wei31-34,1037Study on Variation Law of Coalbed Methane Physical Property Parameters with Seam DepthYE Jianping, ZHANG Shouren, LING Biaocan, ZHENG Guiqiang, WU Jian, LI Danqiong35-398Research on Characteristics of Methane Adsorption in Coal Seam Under the Conditions of Multiple FactorsLI Shu gang, AN Zhao feng, LIN Hai fei, ZHAO Peng xiang, DING Yang40-449Establishment and Practices on Distribution Type Energy System Based on Gas Near Zero Emission in Mining AreaLIN Baiquan, LI Qingzhao, YUAN Desheng, LI Jichang45-4810Application Prospect Analysis on Gas Drainage Technology of Surface Well in Mining AreaSUN Dong ling, SUN Hai tao49-52,3911Application and Pre-Warning Technology of Coal and Gas Outburst by Electromagnetic RadiationWANG Enyuan, LI Zhonghui, HE Xueqiu, CHEN Liang53-57,9112Repairing and Enhancing Permeability Technology and Equipment of Gas Drainage BoreholeSU Xianbo, LIU Xiao, MA Baoan, PEI Gang, FENG Wenjun58-60,3013Dynamic Response Physical Simulation of Coal Reservoir Parameters During Coalbed Methane DrainageXU Jiang, PENG Shoujian, LIU Dong, ZHANG Chaolin61-6414Application and Study on Permeability Improvement Effect by Pressure Relief in Mining-induced Coal BodyWANG Kai, ZHENG Ji yu, XIA Wei, LI Peng, LI Cong65-7015Study on Main Control Factors of Gas Drainage in Coalbed Methane Well of Tunliu MinefieldZHANG Xiaodong, ZHAO Jiapan, ZHANG Shuo71-7516Experimental Research on Sensibility of Coal Samples Permeability Under Confining PressureWEI Jianping, LI Mingzhu, WANG Dengke, QIN Hengjie76-8017Research Progress of Separation Experiment of Mine Gas HydrateWU Qiang81-8518Study on High Level Borehole Optimization Based on Evolving Characteristics of Mining Induced FractureWANG Yaofeng, NIE Rongshan86-9119Establish and Application on Prediction Model About Permeability of Coal Reservoir After Hydraulic FractureNI Xiaoming, LI Zheyuan, WANG Yanbin92-95,13920Experiment Study on Water Injection Affected to Desorption of Coal Adsorption GasCHEN Xiangjun, CHENG Yuanping96-99 