1Experimental Study on Desorption Characteristics of Gas in Coal and ShaleLIU Hao, HOU Jifeng, JIANG Yongdong, SONG Xiao, ZHAO LijuanTest Research1-52Numerical Simulation for the Effect of Surface Borehole Extraction on Gas Migration and Spontaneous CombustionWEN Liangxiu, GAO Ke, LIU JianTest Research6-103Modeling the Prediction of Minimum Ignition Temperature of Coal Dust Cloud Based on the Analysis Index of Coal Quality IndustryLI Yucheng, ZHAO Xiaotao, LIU TianqiTest Research11-154Simulation Study and Comparative Analysis of Overlying Strata Control by Main Parameters of Fly Ash Paste FillingHE Rongjun, XIONG Yunwei, CHEN Yutao, DU YunhangTest Research16-195Effect of Dry-wet Circulation on Permeability of Coal Containing GasWANG Qian, LU Mingyue, WANG WeizhongTest Research20-23,286Study on Rule of Overburden Failure under Strong Rock Burst and Fully Mechanized Caving MiningGUO Xiaoming, LIU Yingfeng, LI ChaofengTest Research24-287Experimental Study on Characteristics of Oxygen-enriched Combustion of Pulverized Coal under Different Combustion PressuresWEI YalingTest Research29-328Study on the Impacts of Coal Mining Subsidence and Ponding on the Soil CharacteristicsZHANG Peipei1,3, LIU YizhenTest Research33-369Feature Extraction and Classification of Mine Microseismic Signal Based on WPD-SVDYANG Chen, WU JianxingTest Research37-4110The Application of Ultrasonic Time Difference Method in the Measurement of Wind Speed in Coal MineZHOU Chuanyun, HUANG Qiang, ZHANG Mingming, ZHANG YuanzhengDevelopment Design42-45,5011The Technology and Experiment of Direct Reading Detection about Soot Concentration Based on β-ray MethodZHAO ZhengDevelopment Design46-5012Application of Multi-gas Mixing Technology in Thermal Storage Oxidation and Power Generation of Low Concentration Gas in Gaohe Coal MineZHANG QunApplication Technology51-5413Prediction of Rock Bust Based on Improved FOA-BP Neural NetworkLIU Xiaoyue, LI PengyuanApplication Technology55-6014Research on Risk Level of Coal and Gas Outburst Prediction Based on PCA-Fisher Discriminant Analysis ModelCHEN Jianping, DONG Jun, LYU XiangweiApplication Technology61-66,7115Study on the Occurrence Rule of Strata Behaviors of the Working Face in Gaojiapu Coal MineMA Ji, WANG Sheng, DENG LeiTechnical Experience67-7116Study on Waterproof Coal Pillar of Large Fault for a Working Face in Chengjiao Coal MineDING Yaheng, ZHAO Baolin, LI Jingfeng, ZHU ShuyunTechnical Experience72-7517Research on the Parameters and Abnormal Characteristics of Gas Drainage in High Level Drainage RoadwayZHENG Jiyu, WANG Gongzhong, HAN JianTechnical Experience76-7918Study on Prediction Model of Rockburst Proneness Based on Belief NetworkZHAO Yadong, YANG Fan, ZHANG Qing, ZHANG NingTechnical Experience80-8519Research and Application Effect of Dust Control Technology in Plastic Production WorkshopCAI YingTechnical Experience86-89,9320Inversion Analysis of Principal Stress Field of Coal Mining Based on Focus MechanismLI Shoufeng, QU YingTechnical Experience90-93 