1Experimental Research on Parameters of Nozzle Slotted in Non-submerged High Pressure Swirling JetJIANG Wen-zhong, LI Bao-dong, WANG Yao-feng, YANG Yong-yinTest and Research1-32Experimental Study on Explosion Propagation Characteristics of Varied Density Methane in DuctYU Cun-juan, TAN Ying-xinTest and Research4-6,103Experimental Study on the Methane mixed Combustive Gas Explosive CharacteristicCHEN Xiao-kun, ZHANG ETest and Research7-104Evaluation on Stability of Building Foundation over Old-goaf with FLACLI Pei-xian, TAN Zhi-xiang, WANG Lei, DENG Ka-zhongTest and Research11-145Analysis of Gas Drainage Methods in Gassy Thick Coal Seam Full -mechanized Caving Fare and Numerical SimulationLI Wei-dongTechnology Experiences15-176Safety Technology Across Outburst Coal Seam with Inverse Construction in Coal BunkerZHANG Jin-changTechnology Experiences18-197Advance Distinguishing of Gas Disaster and Classification and Sub-area ControllingZHANG Xing-hua, MENG Qing-hai, ZHANG Hong-fuTechnology Experiences20-218Application of Gel Inhibitor in Fire FightingTechnology Experiences22-249Analysis on Aerodynamic in Goaf with Flexible Shield SupportingLUO Da-yong, ZHANG Guo-shu, CHEN XiongTechnology Experiences25-2710Indicating and Determining System Based on Fuzzy Control for Spontaneous Combustion of Coal SeamBIAN Bing, GAO Ping, CUO Li-wenTechnology Experiences28-3011First-lime Application of Fire Fighting Technology with Three-phase Foam in Open-pit Coal MineTechnology Experiences31-3312Refrigeration and Cooling Technology in Zhaolou MineTechnology Experiences34-3613Application of Comprehensive Fire Controlling Technology in Long-wall Full -mechanized Caving Faces under SeaTAN Hua-wen, LIU Yu-zhouTechnology Experiences37-39,4414Building and Application of Essential Safety Mining Technology SystemWANG Hong-sheng, ZHANG Dong-sheng, LI Shu-gangTechnology Experiences40-4415Application of Grey Theory in Prediction of Rock BurstTechnology Experiences45-4716Automatic Monitoring and Measuring System of Shaft Lining Additional Strain and it's ApplicationLIANG Heng-chang, ZHOU Guo-qing, LIU Zhi-qiangTechnology Experiences48-5017Design of Energy-saving Controller for Air Heating in Well HeadZHANG Zhi-wei, WANG Xue-shui, WANG Yan-qingTechnology Experiences51-5318Research on Mine Flame-Proof AC Soft-start Controller Protection SystemGUO Ji-hong, NIU XinTechnology Experiences54-5719Hardware Design of Intelligent Instrument Used in Gas InspectWANG MinTechnology Experiences58-6120Intrinsic Safety Lighting Power Supply System in Full-mechanized Mining FaceCHEN Zi-chunTechnology Experiences61-63 