1Experimental Study of Using Chlorate Inhibitor for Inhibiting Initial and Secondary Coal OxidationMA Li, REN Lifeng, AI Shaowu, LI Zhenbao, REN Xiaodong1-4,82Simulation Study on Spontaneous Combustion in Gob with“U”-shaped Ventilation Based on Particle FlowHUANG You, WANG Hongbo, CHEN Shanle, CUI Tiejun5-83Test Study on Acoustic Emission Evolution Characteristics in Failure Process of Plastic and Brittle CoalYANG Huiming9-124Study on Coal and Gas Outburst Prediction Method with Relative Gas Emission Characteristics in Heading FaceZENG Jinyuan, ZOU Yunlong, MA Jinfei13-15,185Experimental Study on Influence of Coal Ash Content and Volatile Matter upon Its Methane Adsorption CapabilityLI Shugang, HU Weiwei, LIN Haifei, ZHAO Pengxiang, WEI Zongyong16-186Study on Heat Conductivity Coefficient of Loose Coal Based on DichotomyYUE Gaowei, LI Haojun, WANG Zhaofeng19-22,277Numerical Simulation of Gas Pre-drainage from Mining Area by Parallel Holes Drilled along Coal SeamLIU Yanqing, YU Xing23-278Study on Trajectory Modeling and Application of Adverse Spray Droplets in Dust CollectorWU Liang, YIN Zhenbiao, WANG Weili, LI Hao28-31,409Simulation and Experiment Study on Dynamic Characteristics of Multiple Gripper Linkage SystemXIN Dezhong32-3610Design and Development of Vortex Tube Ice-making and Cold-storage Device for Refuge ChamberLIU Pengcheng37-4011Numerical Simulation on Flow Field of Diameter-reduced Valve in Low-concentration Coal-bed Methane LiquefactionLIU Ling, LIU Liya, FU Yaoguo, GAN Hailong41-43,4712Research on Comprehensive Evaluation of Coal Mine Safety Based on Local Variable Weight TheoryLI Tingfeng, GONG Guoqiang, LUO Ruping, PU Shiming44-4713Research on Bounding-Box Repositioning Algorithm in Coal MineTANG Chaoming, YAN Yu, YAN Zheng48-51,5514A Mine Emergency Management Information System Based on GISWANG Xuegui52-5515Study on Prediction Model of Coal Mine Spontaneous Combustion Based on Crisis SymptomsCHEN Ya, JIANG Zhong’ an, TAN Cong56-5916Detection of Water Abundance of Short-interval Roof Limestone and Research on Water Inrush RiskZHU Hengzhong, LIU Ping, WANG Huajun60-6317Thickness Division of Relative Water-resisting Layers on Top of Ordovician System in Dongtan Coal MineLIU Qiangqiang, LI Wenping, CHAI Huichan, GUO Qiming, SUN Shangshang64-6818Location Optimization of Special Air-return Way in Working Face and Control of Its Surrounding RockZHAN Qinjian, CHEN Bin, MA Qianqian69-7219Analysis on Coal Gas Adsorption and Permeability Model under Heat Injection ConditionJIA Quanmin, SUN Haitao, JIANG Wangang, GUO Heng73-75,7920Application of 3 D High-density Electrical Method in Detection of Water-accumulated GobZHANG Zhenyong76-79 