1Study on Mine Ventilation System Decision-making Based on Fuzzy Optimum SelectionQIU Jin-wei, ZHANG Guo-shuTest and Research1-42Study on Application of Intelligent Decision Theory in Mine Ventilation SystemWANG Qing-liangTest and Research5-83Review of Pressure Relief Protect Effect of Heading-and-bench Mining on Bottom Coal Seam in Inclined SeamDONG Gang-fang, ZHANG JunTechnology Experiences9-124Reasons Analysis and Pressure Equalization Controlling of Gas Out of Gauge in Tailing-way of 88203 Full-mechanized Mining FaceTechnology Experiences13-155Improved Design of Spraying System of Coal-winning MachineHE Gang, CHEN Qing-hua, FANG Zhi-huaiTechnology Experiences16-186Application of Frequency Converter in Mine Ventilator Transformation and PracticeGUO LingTechnology Experiences18-207Application of MVSS3.0 in Mine Ventilation System TransformationLI Yu-cheng, LIU Jian, JIA Ting-guiTechnology Experiences21-228Comprehensive Controlling of Water-storing in Gob of Dalong Coal MineTechnology Experiences23-259Methods to Measuring Thermal Conductivity of Loose CoalTechnology Experiences25-2710Optimum Design of Air Return Way Cross-section in 16 Mining Section of Beisu Coal MineHAN Xiang-bin, ZHANG Qing-yongTechnology Experiences28-2911Method to Calculate Tangent of Main Influencing Angle Based on Artificial Neural NetworkGAO Yan-tao, TAN Zhi-xiang, DENG Ka-zhongTechnology Experiences30-3312Reasons Analysis and Controlling Countermeasure of Rock Burst in 3 Level of N0．12 Mine in Pingdingshan Coal GroupTechnology Experiences33-3513Ground Pressure Monitoring of Top Caving Coal Mining with Movable Support in Relatively Thin Thick-seamMENG Xiang-rui, GAO Zhao-ning, WANG Xiang-qianTechnology Experiences36-3814Comprehensive Repairing Technology for Serious Deformation Inclined Shaft in Complex ConditionZHAO Bao-taiTechnology Experiences39-4115Technology of Full-mechanized Mining Face Withdraw QuicklyWAN Qing-shengTechnology Experiences41-4216Application of Gob Side Entry Retaining in 17 CoalGE Chuan-xiang, FENG Yan-wei, CHEN Fu-linTechnology Experiences43-4417Roof Management and Controlling Expert System Based off C/S Mode for Coal MineWANG Zi-junTechnology Experiences45-4718Application of ICL7660 Chip in KJF2000 Monitoring and Controlling SystemLIU You-qi, SONG Yi-dongTechnology Experiences48-5019Design an Realization of Communication System for Drilling Parameter Monitoring System Based on GPRSDONG Jun, LIU Zhen-xiangTechnology Experiences51-5320Serial LED Display Driver Based on UNI Type TransducerTechnology Experiences54-56 