1Research on Filling Foam for Accumulation Gas Control in Upper Corner of Coal FaceYANG Qi-jun, LI Zeng-hua, YANG Yong-liang, ZHU Ke-kuo, TANG Yi-bo1-52Research on Gas Absorption Experiment of Coal in Pingdingshan Mining AreaZHANG Xiao-lan, HUANG Zai-juan6-93The Prediction of the Spontaneous Combustion Dangerous Zone in the Gob of Re-mining Face Based on Numerically Modeling the Flow FliedDENG Jun, MA Wei, ZHANG Xin-hai, ZHAI Xiao-wei10-13,194Experiment Research on the Effect Confining Pressure on Physical Properties of CoalWANG Ji-yuan14-165Discussion on the Technology of the Shaft Uncovering the 4 Seam in Xintian Coal MineZHANG Bao-dong, LIU Yang17-196Gas Gauge Laws and Conrol Meatures of the Tenth Coal Mine in Hebi Coal Industry in 2009FENG Wei20-227Large Working Periodic Pressure Gas Control during the Upper Corner in Low Gas MineCAO Huai-jian23-258Required Measures of Controling Gas Outburst in Shaft Uncovering Section of the Aquifer RockNIE Sheng-li26-289Innovation of Mine Ventilation System during the Transition Level in Complex Network MineCHEN Han-qiu, DONG Fu-wei, LIU Zhi-qiang29-3110The Comprehensive and Three-Dimension Fire Controling Technology in Overlying Coal Seams of GobDU Gang-hua, XU Yang, WU Xiao-juan32-3511Application and Practice of Belt Roadway Fire Emergency Rescue System36-3912Study of Main Fan Ventilation Capacity Upgrade40-4213Application of Mine Cured Foam Material in Local Fire District Controling of Wuda CoalfieldJIA Yue-rong43-4414Comprehansive Prevention Technology of Spontaneous Combustion of Close Coal Croup in Xishan MineHE Ming-xin45-4815The Design and Application of Pneumatic and Hand-Control Throttle Switch in High Vacuum MineCHENG Lei49-5016The Bolting Practice in Huge Thick Seam of Xiagou Coal Mine51-5417Numerical Simulation and Technoloy Application on Wall Rock Failure Mechanism of Roadway Influenced by Coal ExcavationZHANG Hua-lei, WANG Lian-guo, LI Yu-jie55-5718Narrow Coal Pillar Design and Support Technology for Roadway Driving along Next Goaf in Deep MineLIU Zeng-ping, LIANG Shun58-6019Theory of Collapse Treatment of Tunnel and Its Application61-6320Application of Radio Frequency Technology in Mine Personnel Positioning SystemGAO Yu64-66 