1Effect of Atomization Nozzle Angle on Hydration Separation of GasLIU Chuanhai, WU Qiang, ZHANG Baoyong, ZHANG Jiahao, ZHANG Qiang, WU QiongTest·Research1-4,82Experimental Study on Permeability Increasing Technique with CO2 Phase Transition Fracturing in Coal and Gas Outburst Coal SeamZOU YongmingTest·Research5-83Study on Displacement and Replacement of Methane in Coal Seam by Air InjectionXING Shutuan, YANG Hongmin, CHEN LiweiTest·Research9-124Study on Laws of Gas Diffusion Under Constant Volume and Pressure SwingHUANG Zaijuan, ZHANG Xiaolan, ZHAO XinTest·Research13-165Study on Coal Deformation Law of Hydraulic Flushing Passing Through Layer in Xuehu Coal MineBAO Kun, ZHANG Mingjie, WEI GuoyingTest·Research17-206Simulation Experiment Study on Gas Desorption Law of Coal in Geological Exploration EnvironmentLI Qi, QIN YujinTest·Research21-23,287Study on Characteristics of Composite Fire Extinguishing Spray Sealing MaterialZHAO Wenbin, DONG Qingfu, BO Fuli, LI Zhenwu, WANG Junshuang, YANG ChunhuiTest·Research24-288Influence of Groundwater Recharge with High Salinity Mine Water on Groundwater Quality in Mu Us DesertZHAO Caifeng, YANG JianTest·Research29-329Study on Similar Simulation Experiment of Weak Strata Under the Action of SeepageCHEN Zhuoli, XIA Hongchun, HU Tao, ZHAN ShengTest·Research33-35,3910Experimental Comparison Study on Permeability of Coal and ShaleLIU Hao, HOU Jifeng, JIANG Yongdong, ZHAO LijuanTest·Research36-3911Experimental Study on Grouting and Water Blocking Reinforcement of Cement Based Admixture in FZ-H800 RoadwayLIU Limin, LI Yanhui, YAN Xu, ZHANG Futao, ZHANG JinpengTest·Research40-4312Reasonable Width of Narrow Coal Pillar Based on the Third Invariant of Deviatoric StressHE Fulian, XIAO Peng, LAI Yonghui, LI ZhengTest·Research44-47,5113Optimal Design of Laneway's Side Support for Gob-side Entry Retaining with Solid Cemented BackfillingZHANG Sheng, LIU Yang, LIU Hengfeng, JIANG Shuyin, LIU Zhicheng, XU HuaishengTest·Research48-5114Numerical Simulation of the Influence of Blasting Vibration on Concrete Support with Different AgesZONG Qi, WU Jiehao, MA ZhiqingTest·Research52-5515Preparation and Application of New Sealing Material for BlastingWANG Jie, ZHANG Leilin, WU QingTest·Research56-59,6416Study on K-mean and Mathematical Morphology Segmentation Algorithm of Coal and Rock Micro ImagesZHANG Jingfei, GUO Qian, ZHU Tonggong, GUO PanTest·Research60-6417Study on Distribution of Elastic Energy Under High Hard and Thick Key Strata MiningWU Quanlin, FANG QiuTest·Research65-67,7118Migration and Control Technology of Shearer-generated Dust in Mechanized Coal Mining Working Face of Jiaoxue No.3 CoalmineWANG Bingjian, LI YuanzhiTechnology·Innovation68-7119Study on Leakage Plugging Technology of CBM Drilling Under Complex Geological ConditionsNI Guangqing, XUE Xiaohui, ZHOU Bingchao, WANG YouguoTechnology·Innovation72-7420Control Technology for Small Mines Hollow Fire Area in Open-pit MineTANG Xiaofei, SHI Guangyi, ZHANG WeiTechnology·Innovation75-78 