1Experiment on Degradation of Coal Adsorbed Methane by Anaerobic Microorganism Under Simulated Solid Coal Occurrence EnvironmentYU Hong, CUI Xuefeng, ZHANG RuilinTest·Research1-42Research on Structural Difference for Different Soft and Hard Coal SamplesYU JunTest·Research5-83Distribution of the Whole Strain Field During the Deformation and Failure of Coal SamplesXIAO Fukun, YU Han, LIU GangTest·Research9-11,154Study on Adsorption and Desorption Evolution Law of CH4 in Low Temperature Oxidation Process of CoalLI Jiahao, CHEN YankeTest·Research12-155Experimental Study on Gas Adsorption and Desorption Laws of Air-dried Coal Samples with Different Soaking TimeLIU Wei, WU Deyao, HE Chao, WANG Xiantian, ZHANG Jiyou, SONG YipengTest·Research16-206Experimental Study on Gas Emission Law of Top Coal in Fully Mechanized Caving FaceDENG ChunshengTest·Research21-247Experimental Study on Replacement Effect of Water to Gas in CoalFAN Yaqing, WANG Zhaofeng, CHEN Jinsheng, LI HaoweiTest·Research25-27,328Numerical Simulation Research on Deformation and Fracture of Coal Containing Gas Under Axial Loading and Lateral Unloading ConditionSONG Shuang, QIN Botao, LIU Jie, WANG XiaoranTest·Research28-329Experimental Study on Particle Size Velocity of Air-water Nozzle Fog Field Based on Doppler TechnologyCHEN Cong, LIU ZhenTest·Research33-3610Study on Precursory Characteristics of Acoustic Emission of Instable Failure Coal Body with Different SizesJIANG Junjun, DENG Zhigang, OUYANG Zhenhua, ZHANG Ningbo, WANG Yin, ZHANG GuanghuiTest·Research37-40,4311Experimental Research on Flow Field Simulation and Parameter Optimization of Ultrasonic Atomization Nozzle for Dust SuppressionZHANG Jianlin, LI Hongxi, LIU YanpingTest·Research41-4312Experimental Study on Coagulation Characteristics of Cement Slurry Under Low Temperature EnvironmentXU GanggangTest·Research44-48,5213Research on Laws of Coal Dust Migration During the Period of Forced VentilationWANG Tong, GUO Lianghui, LI Changlong, LIN Xin, NI Jiati, ZHANG CongTest·Research49-5214Experiment Research on Difference of Spontaneous Combustion Parameters of Bituminous CoalLIU Wenyong, WEN Hu, WANG BaoyuanTest·Research53-5615Rheological Properties of High Concentration Cemented Material Taking Loess and Aeolian Sand as AggregateWANG Xiaodong, XU Ganggang, ZHU Shibin, WU Boqiang, YUAN KekuoTest·Research57-6216Study on the Optimal Ratio of Paste Filling Material in Xima Coal MineQIN Hongyan, WANG Haidong, TI Zhengyi, LI YangTest·Research63-6617Proportion and Mechanical Properties of Paste-like Filling Material in Gushuyuan Coal MineXIONG Zuqiang, JIANG Tao, LI Donghua, SUN YapengTest·Research67-6918A Combining Method of 3D Laser Scanning and DInSAR for Monitoring Surface Dynamic Subsidence in Mining AreaHE Qian, FAN Hongdong, DUAN Xiaoye, DU Sen, GAO XiaoxiongTest·Research70-73,7719Technology of Dynamic Grouting Reinforcement in Dynamic Pressure Roadway of Extremely Thick Coal SeamTIAN JianghuaTechnology·Innovation74-7720Fire Preventing and Extinguishing Technology of Composite Slurry in Overlying Goaf of 010202 Working Face of Baijigou MineCHEN BaoyiTechnology·Innovation78-81