1Experimental Study on Characteristic Parameters of High-sulfur Coal Spontaneous Combustion in Secondary OxidationWEN Hu, LI Chenghui, FEI Jinbiao, WANG Kai, LI Haitao1-42Experimental Study on Gas Migration Law in Gob Area of Fully Mechanized Caving Coal FaceJIANG Zhong’an, JIANG Jianglin, WANG Hongsheng, DU Cuifeng, LUO Junfeng5-11,163Experimental Study on Properties of Mine Fire Prevention and Extinguishing MaterialsZUO Ranzhen, XIE Xionggang12-164Experimental Study on Gas Permeation Law in Typical Coal Seam Stress Field in Sichuan Coal Mining AreaZHANG Chuanming, WU Hourong17-20,425Experimental Study of Using Silicon Modified Coagulant for Mine Wastewater TreatmentZHOU Hongxing21-236Numerical Simulation of Flow Field in Gob with U-type and U+L type Ventilation ModesWU Xiaomin, RUI Guoxiang, ZHANG Hua24-277Design and Application of Distributed Fiber-optical Temperature Measurement Mainframe Based on Raman ScatteringLIU Fen, SUN Shiling, ZHANG Yuanzheng28-308Development of Mine Intrinsically-Safe Transient Electromagnetic Instrument Based on Dual-channel Data SynthesisXU Yangcheng31-33,469Research on Determination Method for Early Warning Indicators of Coal and Gas Outburst Based on Gas Emission Characteristics in Wangjiazhai Coal MineTAN Guowen34-3710Research on Fuzzy T-S Prediction Model for Caving Height of Overlying Strata in Fully Mechanized Working FaceYANG Wenguang, ZHANG Jun, SUI Lili38-4211Numerical Simulation of Influence of Pressure Reduction by Water Drianage in Ermugou Mine on Hongshan SpringSHEN Xiong, ZHANG Yongbo43-4612Process Optimization of Height Prediction of Water Flowing Fractured Zone Based on ANNZHAO Zhongming, LIU Yongliang, LI Yi, DONG Wei, SHI Tianwei47-49,5313Numerical Simulation and Prediction Assessment of Roof Water Inflow in Mining DistrictSUN Xiaoyu, WANG Hua, GUO Xiaoming50-5314Safety Evaluation of Ventilation System Based on Entropy-weight and Extension ModelLIU Hongwei, WANG Fei54-5715Failure Mechanism of Coal Seam Floor and Calculation of Maximum Breaks DepthZHANG Fengda, SHEN Baohong, KANG Yonghua58-6116Research on Treatment Technique for Compound Roof Tuck Net of Deep RoadwaySUN Lei, ZANG Chuanwei, YANG Zhulong, CHENG Zhandong62-65,7017Gas Control Technology and Practice of High-output and Efficiency Fully Mechanized Coal FaceCHEN Dianfu66-7018Determination of Coal-seam Gas Pressure in 1 000 m-deep Well under Complicated Geological ConditionsZHANG Ganxing, YANG Shengqiang, ZHAN Yong, LUN Jiayun, ZHAO Huanhuan, XIA Chunbo71-73,7719Determination on Sensitive Index and Its Critical Value of No. 7 Seam Outburst Hazard in Wulan Coal MineZHANG Yuming74-7720Application of Gob Water Drainage Technology by Series-buried Pipes in Lijiata Coal MineLIAN Tianjun, FAN Zhenli, WU Li78-80 