1Study of Interaction between Shock Wave and Surface in the Excavation Roadway during Gas ExplosionQU Zhi-ming, SUN Qiang, LI Jin-xian1-2,332Experimental Study on the Sand Injection System for Fire Prevention in GobRU A-peng, LIN Bai-quan, WANG Jie3-53Technology Experiences Practice of East-west Air Transfer in Shangzhuang Coal MinePENG Zou-ping, WU Wen-guo, YAN Xue-wen6-74Area Controlled Cycle Ventilation System in Deep Part High Temperature Mine and Application8-115Gas Comprehensive Controlling Technology in Full Mechanized Coal FaceZHA Xing-lin, LONG Ming-ju, ZHU Quan-ke12-156Water Disaster Comprehensive Controlling Technology when Mining above High-pressure Water in Jiaozuo Mining AreaGUAN En-tai15-177Technology of Shock Bump Comprehensive Prevention in Xinwen Mining AreaJI Zhen-wen18-208Reasons of Shock Bump and Prevention Measures in Hegang Mining AreaCHEN Hao, BAO Yan-sheng21-229Construction Practice of Heavy Calibre Gas Drainage Well in Extra Thickness Nappe StratumQU Lai-min, XU De-cheng23-2510Roof Management Practice of Heavy Section Open-off Cut in Deep WellJiang Shi-jie26-2711Application of Comprehensive Index Based on Neural Network in Coal Mine Safety ForecastingGUO Zhong-Ping, WANG Zhi-jun, LI Yong28-3012Development of FSG –1 Type Comprehensive Test Device for Rescue RespiratorYU Jin31-3313Study of Air-Electric-Gas Comprehensive Protection Devices34-3714Application of Comprehensive Automatic System in 35 kV Electric Substation of Mining AreaFAN Song-ge37-3915Development and Application of Linkage Automatic Car Lug Device for Incline Roadway Hoisting Underground40-4216Design and Application of KJF2000 Notelet Alarming SystemLIU Chun-fu43-4417Probing into Application of Monitoring and Controlling System in Chengzhuang Coal MineJI Ying-chun45-4618Preliminary Analysis for Overvoltage Harmfulness of High Voltage Vacuum Switch Operation and CountermeasuresLU Pei-wei47-4819Performance Evaluation of Positive Pressure Oxygen Respirator AbroadZHANG Ren-Liang, CHEN Jin-yue49-5320Probing into a Coal and Gas Outburst Delay AccidentZHENG Yong-da54-56 