1Measurement Test on Rock Stress and Gas Pressure Ahead of Driving FaceZHOU Bo, XUE ShengTest·Research1-42Control Effect of Metamorphic Grade of Coal on Gas Adsorption CapacityZHANG Huijie, ZHANG Lang, WANG Dong, HOU JinlingTest·Research5-8,123Study on Groutability of Super High-aqueous Expansive Slurry During Hole Sealing Process of Gas Drainage HolesHU Guozhong, LAN Changjin, HE Wenrui, ZHU YiranTest·Research9-124Experimental Research on Effect of Pumping Displacement on Hydraulic Fracturing in Coal ReservoirZHANG Fan, MA Geng, LIU Xiao, FENG DanTest·Research13-15,195Study on Decomposition of Hydrogen Sulfide Gas of Mine by Ozone Ultraviolet LightZHAO Dengyu, LAI Xingping, JI Changfa, XI Hongjun, CAO JiantaoTest·Research16-196Application of Coal Bed Methane Drilling Fluid & Completion Fluid in Xiaozhuang Coal FieldPENG Xu, HAO Shijun, CHEN JiaoniTest·Research20-247Similar Simulation Test on Permeability Evolution of Floor During Upper Protective Layer Mining in "Three Soft" Coal SeamSA Zhanyou, LI Lei, LU Shouqing, LIU Jie, ZHANG HuiTest·Research25-288Research on Dust-isolating of Air-water Combined Rotating Curtain at Fully Mechanized Working FaceQIAN Jie, HU MingTest·Research29-319Study on Secondary Oxidation Characteristics of Soaked CoalSONG Shen, WU Jianming, WANG Junfeng, WANG Yongyu, GUO YajunTest·Research32-3510Development of Cracks in Low Temperature Oxidation Process of Coal Spontaneous CombustionLIU Jun, YANG Shengqiang, TANG Zongqing, LIU HuiTest·Research36-3911Stability of Surrounding Rock and Roadway Layout in Close Coal Seam Underlying Residual Coal PillarZHAO Weisheng, LIANG Wei, JIN Zhiyuan, NI Jie, XU Mengtang, ZOU ChuanlinTest·Research40-43,4812Experimental Research on Preparation and Performance of Physicochemical Synergistic InhibitorZHONG Yan, YANG Shengqiang, HU Xincheng, XIN Ya'nanTest·Research44-4813Research on Strata Behavior Characteristics of Nearly Shallow-buried Coal Seam with Large Mining HeightTANG HuiTest·Research49-51,5614Study on Mechanism of Deep Roadway Rock Burst Induced by Dynamic Load in High Ground Stress RegionLI Ke, ZHANG Jinhong, ZHANG Kaizhi, XIAO Liping, XU Youlin, DUAN YuTest·Research52-5615Research on Damage and Deterioration of Concrete for Shaft Lining Under Action of Sulfate Corrosion and Freeze-thawZHAO Li, SONG Shaomin, LIU Juanhong, JI HongguangTest·Research57-6116Distribution and Evolution of Mining-induced Stress in Fault Footwall with One-side GoafZHANG Guolong, JIANG Jinquan, WANG Pu, ZHANG Peipeng, ZHANG Zhenliang, XU Chuanwei, LIU XufengTest·Research62-6517Study on Defoamer Matching of Hydraulic Fluid Used for Hydraulic SupportBAI Feifei, WANG YuchaoTest·Research66-6918Application of Hydraulic Fracturing and Permeability Improvement Technology in Mining Face of Soft Outburst Coal SeamGAN Lintang, LIU JixiangTechnology·Innovation70-73,7719Research and Application of "Three Sealing and One Grouting" Sealing Technique of Boreholes Drilled Along SeamMA QiangTechnology·Innovation74-7720Composite Directional Drilling Technology for Underground Coal Mine Based on Trajectory ControlLIU Jianlin, LI QuanxinTechnology·Innovation78-81 