1Experimental Study on Permeability and Strain Characteristics of Coal Containing GasLU Zhanjin, LI ShengzhouTest·Research1-42Simulated Test of Gas Diffusion Law in Coal Core During Real CoringXING Yi, WANG Zhaofeng, LIU MianTest·Research5-93Effect of Thermal Action on Pore Structure and Gas Adsorption of CoalZHU Lingqi, ZHOU Yiting, DENG Yi, WANG XinyuanTest·Research10-13,184Study on Development Characteristics of Collapse Column-fault Composite Structure and Their Effects on Gas OccurrenceSUN Xiaoming, ZHAO Jing, LIAN ZhenshanTest·Research14-185Effect of Fracture Coincidence on Mechanical Properties and Damage Evolution of SandstoneXUE ShipengTest·Research19-24,306Damage Characteristics of Outburst Coal Sample Containing Gas Under Different Loading RatesWANG Yeping, LIU Xiangwen, CHEN Deren, WANG Dengke, YANG Yunlin, CHEN DezhongTest·Research25-307Formulation Optimization Experiment of New Chemical Dust Suppressant for Coal DustZHANG Jiangshi, LIU Shaocan, FAN ZhaoyanTest·Research31-368Study and Application of Foamed Cement Solidified Filling MaterialsJIN Yongfei, LI Chuansheng, CHENG MingTest·Research37-429Effect of Sulfur Content on Characteristics and Limiting Parameters of Coal Spontaneous CombustionWANG Jianli, SU Honggang, LI Junqi, ZOU Li, REN LifengTest·Research43-4810Study on Sulfate Diffusion Law in Cemented Gangue Backfill MaterialWANG Peng, GUO Yuxia, FENG Guorui, QI Tingye, DU Xianjie, WANG ZehuaTest·Research49-54,5911Experimental Study on Spontaneous Combustion Characteristics of Different Rank CoalsHAO YuTest·Research55-5912Study on Performance of Cement Slurry Material with High Fly Ash Content for Roof Reinforcement by Grouting on the GroundZHANG Manman, LU Haifeng, NIAN Bin, YAO Duoxi, ZHANG GuifangTest·Research60-6513Deformation Law and Control Technique of Surrounding Rock in Gob-side Entry Driving Under Driven Heading for Adjacent Advancing Coal Face ConditionsCHEN Xiaoxiang, WANG Yiliang, ZHANG TianTest·Research66-71,7614Technology of Fully-mechanized Top Coal Caving Face Passing Through Mine Abandoned Roadway in Chengzhuang Coal MineDU HailongTechnology·Innovation72-7615Low Oxygen Comprehensive Treatment Technology of Fully Mechanized Mining Face in Very Close Coal SeamsLIANG DonglinTechnology·Innovation77-80,8616Technology of High Pressure Hydraulic Fracturing and Rock Burst Prevention by Multi-layer Directional Slotting in RoofZHENG Youlei, HE Hu, ZHANG Xiong, JIA Xiaodong, YANG YangTechnology·Innovation81-8617Mechanism and Control Technology of Water Inrush Caused by Bandoned Coal MinesLI Yanqing, ZHAO Huajie, XIA KangshengTechnology·Innovation87-9218Application of Grouting Reinforcement Technology with Superfine Cement Paste in Sihe Coal MineGUO Yu, WANG Wei, WANG Zuo, ZHANG Zongguang, ZHU DengxingTechnology·Innovation93-96,10419Fire Prevention and Extinguishing Technique During Retraction of Restarting Working FaceWU YuhaiTechnology·Innovation97-10020Supporting Technology of Expansive Soft Rock in Liuyuanzi Coal MineZHANG ShaofengTechnology·Innovation100-104 