1Simulation Study on Strata Pressure in Pitching Oblique Mining of Steep Thin Seam Based on 3DECLI Zongfu, CAO Shugang, LIU Yong, ZHOU Shengcai, YANG HongyunTest Research1-5,92Study on Acoustic Emission and Electromagnetic Radiation of Coal and Rock Samples under Extraordinary TemperatureWANG YandanTest Research6-93Simulation Study on Dust Movement Law and Control Technology of Belt Conveyor SystemWANG Hongsheng, WU Bing, DING XiaowenTest Research10-154Development of Mine Halogen-free Flame-retarded Anti-static PolyethyleneHU ZhiTest Research16-195Research of Pipeline Emergency Acoustic Communication Based on Difference Pattern and Time Delay Difference CodingLI Shun, GAO YongTest Research20-23,286Study on Infra-red Spectrum of Structure Change during Coal StorageDU Yunfeng, TANG Zhong, YE Zhengliang, LIU GuozhongTest Research24-287Non-power Dust Concentration Detection Technology Based on OpticsLIU GuoqingDevelopment and Design29-328Design and Study of Control System for Ventilation Air Methane Mixing DeviceHUANG KehaiDevelopment and Design33-369Design of an Intelligent Oxygen Supply Device Used in RespiratorXIAO JiawuDevelopment and Design37-3910Application of Transient Electromagnetic Method and Induced Polarization Method in Gob Water DetectionZHANG YanlongTechnical Experience40-42,4811Regional Outburst Prevention Measures for Outburst Coal Seams Group Mining Based on Rational Mining DeploymentTechnical Experience43-4812Numerical Simulation Study on Control Technique for Coal Roadway with Strong Rock Burst Hazard in Deep MineYANG Junwei, ZHAO Zhongyi, CHEN Caixian, LIANG HuajieTechnical Experience49-52,5713Complete Technology for High Efficient Gas Drainage in GassySteep and Extra-thick Coal SeamMA HongtaoTechnical Experience53-5714Practice Research on Small Coal Pillar Overall Coupling Yielding Support for Gob-side Entry Driving in Deep MineZHUGE ChanghuaTechnical Experience58-61,6815Observation of Coal Wall Spalling in Coal Face with Large Mining Height and Its Control MeasuresGUO ShousongTechnical Experience62-64,6816Research on Comprehensive Geophysical Prospecting Technology for Long Coal Face with High Confined WaterMA ShaojieTechnical Experience65-6817Reliability Evaluation of Mine Water Supply Network Based on AHP-FuzzyWANG Pei, WANG Jingyao, YANG BinTechnical Experience69-72,7618Application of Fire Area Isolation Technology in Mines with Shallow Coal SeamsWANG HaishengTechnical Experience73-7619New Cognition on Development of Folded Structure in Xiayukou Mine Based on Trend Surface AnalysisPENG Tao, WANG Shengquan, FAN Min, TIAN GuolinIssue Discussion and Review77-8120Discussion on Key Factors of Liquefaction Project Site Selection for Low-concentration Oxygen-containing Coal-bed MethaneCHEN JinhuaIssue Discussion and Review82-85 