1Effect of Inert Gas Injection on Transport Law of Combustible Gas in Closed Fire ZoneZHANG Jiu-ling, ZHOU Xin-quan, CHANG Wei-wei, YANG jian-leiTest and Research1-52Extraction Fault Rule of Fans of Coal Based on Rough SetLI Meng, BAI Xing-liTest and Research6-93Influence of Fire Arresters Structure on Flame QuenchingZHANG Jian-quan, LI Bao-lin, WU Xiao-rong, CHEN Jing-changTest and Research9-124Numerical Simulation of No-submerged Swirling JetJIANG Wen-zhong, WANG Yao-feng, YANG Yong-yinTechnology Experiences13-15,185Development and Application of Real Time Monitoring System of Disturbance Stress and Gas EmissionXIONG Zu-qiang, WANG Wen, LI Hua-minTechnology Experiences16-186Fast Determination Technology of Gas Pressure of Coal Seam which Go though another Coal SeamXIE Qing-xue, JIANG Cheng-lin, DENG Su-huaTechnology Experiences19-207New Sealing Technology of Cross Drilling Holes under Mining InfluenceSUN Yu-ning, WANG Zhen-fengTechnology Experiences21-238Practice of Comprehensive Gas Extraction on Coal .Seam Roof of First-mined SeamsYU Dong-fang, CAI Zheng-wei, ZUO Jin-baoTechnology Experiences24-269Gas Controlling with Pressure Regulating Way in Gob-side Driving Face with Narrow Coal PillarTONG Xiao-zhangTechnology Experiences27-2910Application and Improvement of Gas Drainage Technology by Shallow Hole in Outburst FacePENG Hai-tao, LIU Huai-lian, WANG Xiao-youTechnology Experiences30-3211Reliability Evaluation of Mine Ventilation System Based on RS-SVMZHANG Jian-rang, DONG Ding-wenTechnology Experiences33-3612Infrared Detection Technology about High Temperature Location at Short Range near Coal RoadwayTechnology Experiences36-3913Composite Expansion Inert Foam and Underground Remote Fire Controlling TechnologyYANG Guang-wenTechnology Experiences40-4114Rational Allocation and Optimal Selection of Air DoorTechnology Experiences42-4415Law of Goat" Air Leakage and It's Influence on Spontaneous Fire under "U+I" Type Island Coal FaceTechnology Experiences45-4716Ventilation System Optimization of Cheji Coal MineYANG Yun-liang, HAO Dian, CHENG LeiTechnology Experiences48-49,5317Construction of Early Warning System of Water Disaster in Coal Mine Working FaceTechnology Experiences50-5318Application of Grouting for Blocking Water in Wuguiqiao Coal MineYUAN Yan, CHEN Suo-zhong, ZHANG Yu-dongTechnology Experiences54-5619Application of Top Coal Caving Technology with Two-column Type Supports in Baode Coal MineZHAI Gui-wuTechnology Experiences57-6020Application of Coal Bunker Collapse Treatment with Grouting TechnologyZHAO Kang-hong, YANG Shu-junTechnology Experiences61-63 