1Time-Space-Strength Coordinative Mining Technology of High Gassy Seams GroupXIE Guang-xiang, TANG Yong-zhi, WANG Lei1-42Technology of Bump Prevention to High Stress Coal Pillar Under Deep Ultra Thick Conglomerate StratumJI Zhen-wen, BAI Guang-chao5-7,253Open-Off Cut Excavation of Fully-Mechanized Top Coal Caving Mining Face and Stability Control Technology of Surrounding RockLIU Ming-jie, Qu Qun-di, ZHU Shou-song, JU Ming-he, WANG Qi8-10,1284Analysis on Water Affected to Mechanical Property and Acoustic-Electricity Characteristics of Coal SampleSHEN Rong-xi, YANG Sheng-li, DENG Xiao-qian, BAN Qing-yu, QIU Li-ming11-13,1155Forced Roof Caving Technology of Hard Roof in Shortwall Coal Mining FaceZHUANG Xue-an, ZANG Chuan-wei, ZHUANG Wei14-16,46Study on Compaction Deformation Characteristics of Collapsed Rock Mass of Goaf Under Different Water Content ConditionsCAI Yi, YAN Jia-ping, XU Liang-ji, YU Huai-jun, DONG Xiang-lin17-20,1287Study on Coal Rock Stress Sensitivity of Different Cleat Directions in Ordos BasinREN Fei, LI Xin-zi, ZHANG Sui-an21-258Study on Lateral Support Pressure Distribution of Fully-Mechanized Coal Mining Face in Ultra Thick SeamXU Yong-xiang, LI Hua-min, WANG Kai-lin, YUAN Rui-fu26-289Analysis on Mine Strata Pressure Behavior Law of Coal Mining Face in Thin Seam with Soft Roof and FloorSUN Qiang, JU Feng, ZHANG Ji-xiong, HUANG Yan-li, ZHANG Qiang29-3210Technology of Floor Heave Prevention and Control in Fully-Mechanized Thick Seam Top Coal Caving Mining Face with High Intensity MiningZHANG Ke-xue, MA Zhen-qian, YANG Ying-ming, MA Chang-le, JIANG Cong, LI Yan-wei33-3611Experiment Study on Spontaneous Combustion Characteristics of Pre-oxidized CoalZHANG Xin-hai, LI Qing-wei37-4012Coal Spontaneous Combustion Tendency Affected by Coal Microscopic Pore StructureDONG Xian-wei, WANG Fu-sheng, MENG Ya-ning41-45,4913Experimental Study on Gas Explosion with Deposited Coal Dust Induced by Impact FlowLIU Dan, SI Rong-jun46-4914Research and Application on Prevention and Treatment Technology of Deep Mine Disaster Based on Its Dynamic PropertyCAO Jian-jun50-5415Technical Parameters Determination Method of High-pressure Spraying for Dust Suppression in Fully-Mechanized Coal Mining FaceZHENG Lei55-5816Study Status and Prospects for Regional Prediction Methods of Coal and Gas Outburst in ChinaMOU Quanbin59-6317Analysis on Load Distribution Between Electric Motors of Belt Conveyor with Double Driving RollersJIANG Xue, BAO Jihua64-66,7618Mechanics Calculation and Analysis on Middle Pan of Scraper ConveyorHAO Yong, YU Hong-fei, LIU Zheng, ZHOU Yong-liang, MU Xian-min67-7219Personnel Fingerprint Positioning Algorithm Based on SVM Classification in Underground Coal MineLYU Wen-hong, YANG Tao, DONG Xiao-liang, ZHENG Xiao-xia, ZOU Hui, LIANG Quan-quan73-7620Design on Static VAR Generator of Beam Type Water Pump Applied to Coalbed Methane MiningBAI Li-jun, WANG Zhen-chong, ZHUANG Yuan, WANG Cong77-80 