1Numerical Simulation on Main Controlling Factors of Coalbed Methane Well InterferenceWANG Qiao, WU Caifang, LI TengTest·Research1-42The Water Inrush Mechanism of Roof Induced by Ground Gas Drainage HoleZHAI Xiaorong, PENG Tao, WU Jiwen, DUAN Zhongwen, LIU WenwuTest·Research5-7,113Research on Gas Comprehensive Controlling Mode in Fully Mechanized Caving FaceGUAN Lianhe, QI LimingTest·Research8-114Research on Gas Diffusion Characteristics of Coal Invaded by Igneous RockLI JianxinTest·Research12-145The Simulation of Bolt-Mesh Support Size Effect in Extremely Thick Coal Seam RoadwaysMA HaixingTest·Research15-17,216Experimental Research of the Impact of Enhanced Permeability Technology by Pulsation Water-hammer on Effective Porosity of Coal BodyZHUANG Li, ZHANG Jingsong, MAN Chunlei, GAO Yunpeng, YUAN XiaoweiTest·Research18-217Determining Anchor (Cable) Supporting Parameters of Large-span Rectangular Roadway Based on Equivalent EllipseLIAO Baoming, SONG Yi, XING Cun'en, SHEN Guiyang, WANG PengfeiTest·Research22-258Study on the Stability of Rectangle Tunnel With FilletTIAN Ji, SONG HongweiTest·Research26-28,329Experiment Research on Low-temperature Oxidation of Coal Based on CO Concentration in Confined SpaceJI Junyan, WU Jianming, ZHOU Chunshan, WANG YongyuTest·Research29-3210Stability Study on the Residual Coal Repeated Mining Face Under Residual Mined-out AreaLI Zheng, ZHANG Wenyang, KANG TianheTest·Research33-3611Roadway Instability and Control Under Action of Stress Damaging-seepage CouplingSUN Hui, LI Guichen, JIANG Zuohan, WEI YinghaoTest·Research37-4012Study on Mine Advanced Detection Joint Inversion Method Based on Least SquaresLI Fei, LIU Demin, ZHANG Jinggang, GAO Linsheng, PAN JianxuTest·Research41-4413The New Borehole Sealing Technology in the Gas Pressure Measurement of Coal SeamZHANG Zhancun, HE Zhenguo, ZOU Yongming, FU YongshuaiTechnology·Innovation45-47,5114Gas Comprehensive Control Technology of Shallow Hole Drainage in Working Face of Unusual Gas DistrictCHEN Yanfei, ZHAO Yichao, GAO Mingshi, LI Sen, TAN YunTechnology·Innovation48-5115Double Poly Leakproof Plug of Downward Pressure-measuring Hole-Cement Mortar Timeshare Sealing TechniqueXU Fuguo, XUAN Dequan, CAO Tuotuo, XIANG DongdongTechnology·Innovation52-5416Gas Control Technology for the First Mining Face in Short Distance Protected SeamXU Hong, LU Peng, LUO ZhengshiTechnology·Innovation55-5717Eliminating Outburst Technology of Thin Coal Seam Mining as a Protective Layer in Hezhuang Coal MineWU Xinzheng, WANG Baojun, WANG JieTechnology·Innovation58-6018New Sealing Technology of Airbag Delayed Expansion With Pressure Grouting for Gas Drainage BoreholeCHEN Xuexi, LI Qi, CHANG Zhongqian, WANG GanggangTechnology·Innovation61-6419Heat-harm Treatment Technology in Suncun Coal MineZHANG Jin, DU Jiping, RUAN MaliangTechnology·Innovation65-6820Grout Control Technology of Hydrodynamic Grouting in Coal MineJI ZhongkuiTechnology·Innovation69-71,75 