1Application of EME to Ascertain Impacting Area of Coverage's Island AbutmentZHAI Sheng-rui, NIE Bai-sheng, SONG Yi-meng, HU Tie-zhuTest and Research1-42Analysis of Characteristics of Radio Propagation in Mine Tunnels and Feasibility of RF Precise Location MethodsFAN Di, LU Chang-zhi, PEI LiangTest and Research5-93Study and Development of Gas & Oxygen Alarm Automatic Monitored by TelephoneAN Jia-wen, LIU Yu-ping, WAN Hong-ju, DAI Hui, ZHANG Hong-taiTest and Research10-124Determination of Caving Zone Height of Overlying Strata Displacement in Full-mechanized Caving Face of Xiashijie MineTechnology Experiences13-155Application of Gas Drainage Technology by Roof Horizontal Long Drill-holl in Low-Coal Seam FaceTechnology Experiences16-186Application of Polyurethane in Gas Pressure Determining in Coal Seam DrillWANG Chun-guangTechnology Experiences19-217Mechanism of Dust Production and Dustproof Technology in Anchoring and Shotcreting ProcessZHAO Wen-bin, BO Fu-li, TAN Yun-zhenTechnology Experiences22-248Comprehensive Fire Fighting Technology during Withdraw of High Inclination Angle Full-mechanized Caving Face in DeepSu Lin, GUO Jun-wei, HE Xiao-gangTechnology Experiences25-269Supporting of Repairing Roadway and Observation of Stress Pressure RulesHE De-jiangTechnology Experiences27-2910Field Measurement and Analysis of Ground Subsidence Laws of Small Partial Extraction aong StrikeZHANG Yun-hai, TAN Zhi-xiang, DENG Ka-zhongTechnology Experiences30-3211Dynamic Pressure Controlling Technology for Mining Steep & Special High Coal Seam in DeepTechnology Experiences33-3412Application of High Density Electric Detection in Geology Casualty Survey and Safety AssessmentYIN Jian-kang, ZHAO Yun-shengTechnology Experiences35-3713Strain Regularity Analysis and Reference of Shaft Lining in Soil Grouting Reinforcement ProcessLU Ze-yang, ZHANG Li-ming, WANG Zai-quanTechnology Experiences38-4114Application of Harmonic Direction Principle in Single-phase Grounding Protection System of High-Voltage Power Networks of MineTechnology Experiences41-4315Application of Wireless Video Monitoring Technology in MineFU Wen-junTechnology Experiences44-4516Design of General Intelligence ChargerLI Zhen-xinTechnology Experiences46-4817Design of Auto-Testing System for Mine Integrated Protecting InserterLI Xiao, Ren Zuo-xinTechnology Experiences49-5318Safety Tracing System in Coal MineGENG Xiao-li, WEI Ji-lin, LIU Yi-pingTechnology Experiences53-5519Application of Flexibility-friction Wheeled Model Shaft Coupling in Car Pusher at Entrance of MineZHANG BinTechnology Experiences56-57,6620Application of Mine Gas Safety Intelligence Patrol System in Gushuyuan Coal MineLIU Ze-yuTechnology Experiences58-60 