1Study on Influence Area of Pressure Relief Gas Drainage of Surface Borehole Based on Tracer TechniqueZHANG Shuchuan, LIU Zegong, DAI Guanglong, LIU Jian, ZHU HaijunTest·Research1-3,82Research on Thermal Metamorphism of Coal with Intrusive Magmatic Rock of Different AttitudesCAI Chuncheng, ZHU Lin, JIANG Kui, WANG Liang, ZHU YongyuanTest·Research4-83Research on Fire Resistance with Water Sealing and Explosion Venting Mechanism in Gas Transportation PipelineZHU ZhaoTest·Research9-124Experimental Study on Heat Insulation of Vermiculite Mortar in Heat Harmful MineWANG Jie, ZHU Chengtan, HOU Qu, ZHOU LeiTest·Research13-155Study on Changing Laws and Key Affected Area of Natural Wind Pressure of Deep MineHUANG Qiming, DU Wenzhou, YAN Guoqiang, ZHONG Yang, LUO WeiTest·Research16-196Research on Development Characteristics of Secondary Downward Crack in Coal Seam RoofZHANG WenzhongTest·Research20-237A Calculation Method of Plastic Zone Width for Rectangular Coal RoadwayGU Shuancheng, FAN Qi, CHEN XianTest·Research24-27,318Study on Fault Waterproof Pillar Optimization for Fully Mechanized Mining RoadwayLIN Dongcai, LUAN Hengjie, LIU QinglongTest·Research28-319Numerical Simulation and Bolt-grouting Reinforcement Mechanism of Roadway Floor Heave in Soft RockCHENG Shaobei, QIAO Weiguo, JU Yanzhi, ZHU Jun, SUN JichenTest·Research32-34,3910Experimental on Time Domain Characteristics of Electric Signal Emitted from Fracture of Loading Coal or RockWANG Xiaoran, LIU Xiaofei, MA Dong, DENG Xiaoqian, LIU JieTest·Research35-3911Overburden Movement Laws of Mechanized Caving Face in Changzhi Mining AreaHE Lingcheng, LI Jizu, YUAN BoTest·Research40-4212Simulation on Geo-stress Distribution and Damage Condition in Outburst Coal Seam of Complex Geological StructureBAI ZhipengTest·Research43-4613Numerical Simulation of Reinforcement Arch Theory of High Pre-stress Anchor BoltZHAO Yajun, YANG Yong, HE Long, WANG Wei, LEI Ming, YAN XiaonanTest·Research47-5014Study on Arrangement of Work Line in Large Open-pit Coal MineGAO Yan, CHANG Jun, FANG Jian, LYU JianzhouTest·Research51-5415Coal and Gas Simultaneous Extraction Technology in Protective Seam Working Face of Outburst SeamCHEN Gongsheng, WU JingkeTechnology·Innovation55-5716Rapid Uncovering Coal Seam Technology by Bidirectional Partition Elimination OutburstPANG Xuewen, LIU Zhongyi, ZHANG Baofa, WANG Di, LIU MingjuTechnology·Innovation58-60,6417Unsealing Technology of Closed Fire Area in Meiyukou Coal MineWU XinwenTechnology·Innovation61-6418Fire Prevention and Extinguishing Technology at Fully Mechanized Caving Face of Deep Mining and High Geothermal Seam during MiningZHU Liang, ZHOU Gang, NIE Wen, TIAN ChuanqiangTechnology·Innovation65-6719Mine Waste Heat Resources Utilization TechnologyDUAN Zemin, MA Suxia, GUO QianzhongTechnology·Innovation68-7120Gob-side Entry Retaining Technology for Working Face with Thick Coal Seam and Hard RoofGUO Tongyi, ZHANG Zizheng, FENG Pinghai, YUAN XiaojieTechnology·Innovation72-74,78 