1Study and Design of Coal Mine Ventilation Management System Based on MapXGAO Guang-fa, QI Min-ju, HUANG Yong-hongTest and Research1-32Study on Data Processing of Resistance Measurement for Mine Ventilation and Development of its' SoftwareYANG Ying-di, ZHANG Guo-shu, QIN Ru-xiangTest and Research4-73Study on Working Instability of Integrated Protector for Coal Electric DrillJI Zeng-quan, PANG Yuan-jun, LI Su-wei, FENG Ru-heTest and Research8-104Research of Hoisting Rope Dynamics in MineLI Zhan-fang, XIAO Xing-ming, LIU Zheng-quan, JI HuaTest and Research11-145Application of Electromagnetic Radiation Technology in Coal and Gas Outburst Forecasting in Hongling Coal MineTechnology Experiences15-176Gas Controlling by High Press Secondary Rotating Water Jet Ventilation in Upper CornerYANG Xiu-li, LIU Gan-guangTechnology Experiences17-197Application of Grid Drainage Technology in Working Face in Yanmazhuang Coal MineCAI Han-yu, MA Tian-junTechnology Experiences20-238Dust Controlling by Mixed Ventilation Way in Fully-excavated FaceTechnology Experiences23-249Gas Controlling Technology by Drainage based on Different Gas Source for Thick Coal Seam and Top Coal Caving FaceZHANG Zhen-longTechnology Experiences25-2710Mathematical Model of Coarse Error Screening Methods for Ventilation Resistance Measurement DataLI Ming-jianTechnology Experiences28-2911Fire Protection by Face Closed and Nitrogen Injection Technology in High Gassy and Easy Spontaneous Combustion Coal Face and Technology Practice of UnsealingJIANG Feng-linTechnology Experiences30-3212Choice of Ventilation Ways for Development Extension in Cangcun AditFENG Yao-ting, HOU Wen-binTechnology Experiences32-3413Treatment of Spontaneous Combustion Fire of Full-mechanised Caving Face in Oil and Coal Associated and Outburst MineYANG Yun-feng, WANG Mai-huan, PU Ming-quanTechnology Experiences35-3714Application of Power Modem Based on Bluetooth in MineTechnology Experiences37-3915Fault-tolerant Technology of Integrated Automation System of Coal Mine Power SupplyCHEN Zhi-guo, DENG Xian-mingTechnology Experiences40-4216Beam Tube Monitoring and Controlling System for Mine Disaster Relief on VehicleTechnology Experiences43-4417Application of Safety Monitoring and Controlling System for Closedown of Gas,Air-door,ElectricZHENG Fang-fangTechnology Experiences45-4618Development of Transmitter Based on Infrared PrincipleLI Feng-senTechnology Experiences46-4819Technology Practice of Shaft and Roadways Construction under Railway StationYANG Xiu-keTechnology Experiences49-5120Optimization Design of District Roadway in Soft Rock MineSHI Jian-jun, LIU Jian-bin, WANG Shu-youTechnology Experiences51-53 