1Influence Analysis of Local Structure of B1 Wellblock on Fracturing Operation and CBM Drainage in Baode AreaHUANG Chengyi, SU Peidong, WANG Shipu, LIU BoTest·Research1-52Creep Laws of Coal Containing Coalbed Methane(Gas) at Different TemperatureLI Zhiqiang, PENG Jiansong, CHENG QiangTest·Research6-93Orientation and Controlling Role of Induced Stress Field on Formation of Hydro-fractures in Multi-hole Hydraulic Fracturing ProcessWANG Yaofeng, XUE Weichao, LI Yanzeng, XU XingfuTest·Research10-15,194Gas Emission Composition Based on Carbon-hydrogen Isotope Analysis TechnologyGAO Hong, YANG Hongwei, CI XiangTest·Research16-195Experimental Study on Effect of Surfactant on Pore Structure of CoalLIU Baoli, YAN Min, LIN Haifei, BAI Yang, LIU JingboTest·Research20-23,286Quantitative Characterization of Pore Fissures for Different Coal Structures Based on μCTJIA Xiaobao, NIU Haiping, LIU Hongfu, LI Wei, YAO HuifangTest·Research24-287Experimental Study on Secondary Oxidation Characteristics and Critical Temperature Range of Brown CoalWANG Junyu, WANG Junfeng, TANG YiboTest·Research29-32,388Experimental Study on Chemical Dust Suppressant of Coal Mine DustGENG Weiguo, SONG Lihua, SONG Qiang, MEN Quanfu, SHU XinqianTest·Research33-389Experimental Research on Acoustic Emission Characteristics of Coal Rock with Different Bedding Directions Under Uniaxial CompressionSONG Yuan, LI Huamin, LIU ChuangTest·Research39-43,4810Experimental Study on Air Leakage Laws of Natural Stacked Coal Pile Under Different External ConditionsZHAO Wenbin, ZHAO Chao, LI Fucun, LIU Qing, CAI Hailun, SONG LeiTest·Research44-4811Experimental Study on Influence of Moisture Content on Oxidation Spontaneous Combustion Characteristics of Long-flame CoalLIANG Pupu, XU Yongliang, ZUO NingTest·Research49-53,5812Study on Vertical Forward Smoldering Characteristics of Coal FireQI Guansheng, YANG Xuehua, ZHANG Xiaoyi, MA LiyangTest·Research54-5813Study on Temperature-hydrological-mechanical Coupling Model for Fault Water InrushLIU Weitao, ZHAO Jiyuan, DING XiyangTest·Research59-62,6814Effects of Valley and Slope Angles on Movement Laws of Water Flowing Fracture in Roof of Shallow Buried Extra Thick Coal SeamRONG Huren, WANG Dalu, GU Jingyu, ZHANG Jiayao, DONG HaoTest·Research63-6815Reason of Instability of Deep Soft Rock Roadway and Test of High Strength and Full Anchor SupportWEI Xihe, WANG Ping, ZHAI Pan, JIANG JingpingTest·Research69-7216Support Technique of Roadway Passing Through Clay Collapse ColumnWANG Zijun, DENG Junyu, CHAI LuTechnology·Innovation73-7617Pre-splitting Blasting Control Technology for Roof Covered by Sandstone DirectlyZHU Xianlong, CHEN Miaohu, FU BaojieTechnology·Innovation77-79,8318Deep-hole Pre-grouting Reinforcement Technology for Composite Roof of Zhaozhuang Working FaceWANG QuanmingTechnology·Innovation80-8319Support Technology of Reserved Rigid Gap Flexible Layer in High Horizontal Stress Soft Rock RoadwayZHU ShiyongTechnology·Innovation84-8720Anti-upwind Device for Scraper Conveyor Passing Air Door in Yungaishan Coal MineSONG HongyangDesign·Development88-90 