1Simulation Experiment of Coal and Gas Outburst IntensityLI Hui, FENG Zengchao, ZHAO Dong, DONG DongTest·Research1-42Research on Performance of CF Solidification Expansion Sealing Material for Gas Extraction DrillingZHANG Tianjun, BAO Ruoyu, LI Shugang, ZHANG Chao, ZHANG Lei, SHANG HongboTest·Research5-8,133Study on Gas Adsorption and Desorption Characteristics of Tectonic Coal in Southwest ChinaLU Guanwen, WANG Jilin, ZHANG Yating, ZHAO Yao, QIN XiupeiTest·Research9-134Numerical Simulation of Gas Flow Laws Around Drillings Based on COMSOL MultiphysicsHOU Zhenhai, ZHAO Yaojiang, HAN Sheng, XU XiangyuTest·Research14-175Experimental Study on Water Infusion in Less Pore and Hard Coal SeamZHANG Ping, JIANG JirongTest·Research18-206Reasonable Parameters Study About Wetting Uniformity of Coal Particles Injected by WaterLIU Zhengdong, CHENG Yuanping, WANG Liang, LI WeiTest·Research21-24,287Acoustic Emission Characteristics of Coal Specimens with Different Moisture Content Under Uniaxail CompressionLIU Kai, CHONG Zhaohui, ZHU Chenguang, ZHANG Chenghao, SUN ChunweiTest·Research25-288Experimental Research on Influence Factors of Spraying Absorption Liquid to Control H2S in Coal MineLIU KuiTest·Research29-329Simulation Study of Mechanical Properties of Coal Rock CombinationGUO Weiyao, ZHOU Heng, XU Ninghui, CHEN Wenguo, WEI PingTest·Research33-35,3910Influence of Different Moisture Content of Coal Seams on Stope StabilityWANG Lei, YANG Dong, KANG ZhiqinTest·Research36-3911Study on Design of F13 Fault Waterproof Coal Pillar in Wugou Coal MineSUN Aiguo, YANG Yaowen, WU JunsongTest·Research40-42,4612Performance Test of Using Soda Lime to Absorb Carbon Dioxide in Mine Rescue CapsuleZHAN Jiewei, CHEN Jianbo, ZHOU LiangliangTest·Research43-4613Numerical Simulation and Orthogonal Test About Gateway Supporting and Coal Pillar SizeWANG Changxiang, ZHANG Xinguo, KongheTest·Research47-5014Performance Improvement for High-water-content Filling Material Beside Gob-side Entry RetainingWANG Peng, ZHANG YaohuiTest·Research51-5415Burial Depth Effect of Mine Pressure Behavior at a Shallow Buried Fully Mechanized Caving Face Under Thin BedrockLIU Quanming, YU LeiTest·Research55-5716Supporting Structure of Anchor Retaining Wall at Toe of Slope of Artificial Boundary PillarGOU Wenli, YOU Chun'an, SHI Jian, YANG Le, LIU QingnaTest·Research58-6117Study on Comprehensive Test of Failure Characteristics in Soft Coal Roadway Based on Light-wave TheoryZHAO Wenge, WANG Sujian, WU XuemingTest·Research62-6518Study on Reasonable Size of Coal Pillar at Large Mining Height Fully-mechanized Coal Caving Face in Ordos RegionYANG Gangshuai, NING Jianguo, WANG Jun, SHI XinshuaiTest·Research66-68,7219Experimental Study on Cemented Filling Materials of Gonggeyingzi Coal MineLU Guohao, GUO Guangli, GUO Qingbiao, CHEN LonghaoTest·Research69-7220Gas Drainage Technology with Multi-application Drilling of Underground Boreholes in Coal MineSONG Jinxing, WANG ZhengweiTechnology·Innovation73-76 