1Research on Self-protective Range of Steep Very-thick Outburst Coal Seam with Horizontal Slicing Mining MethodTest and Research1-52RFPA Simulation Study of Stress in Vertical Shaft Heading FaceDONG Gang-fengTest and Research6-8,123Experimental Study on Performance of Two-stage Axial-flow Auxiliary FanTest and Research9-124Application Study on Nanomaterial in Plastic Duct for Gas DrainageTANG JiaTest and Research13-145Research on Regularity of Gassy Geology of No.21 "Three-soft" Seam in Chaohua Coal MineTest and Research15-176Application of Outburst Hazard Index for Evaluation of Bottom SliceLIAN You-hong, DONG Gang-feng, LUO ChuanApplication Technique18-19,217Application of High-speed Photography in Test and Inspection of Mine Explosion-proof Water BagFAN Xiao-taoApplication Technique20-218Application of Combined Geophysical Prospecting Technique in Hydrogeological Exploration in Coal Mining AreaWANG Xing-mingApplication Technique22-249Application of Combined Geophysical Prospecting Technique in Advance Detection of Karst in Stone Drifting in Coal MineApplication Technique25-27,3210Design of PCI Data Acquisition Card Based on SOPCZHANG LeiApplication Technique28-2911Application of 2BE1 Series Water-ring Vacuum Pump in Coal Mine Gas Drainage and Selection of Its ModelRUAN Shao-gang, CHEN Yun-biTechnical Experience30-3212Comprehensive Fire Prevention Technique of Injecting Gaoline into High Caving Zone of RoadwayWANG Li-li, ZHANG Xue-feiTechnical Experience33-34,3613Measures for Raising Per Unit Yield of FullY Mechanized Face with Large Dip AngleTechnical Experience35-3614Application of Gas Drainage Technique by Highly-located Tailing Way of Fully Mechanized Longwall Mining Face along DipYAO Jian-pingTechnical Experience37-3815Ventilation and Prevention of Fire, Gas and Dust Technology Used in 41101 Fully Mechanized Caving Face in Wangjiazai Coal MineGAO Liang-yuTechnical Experience39-4016Comprehensive Gas Control Technique for High Gassy Fully Mechanized FaceYANG Ping, JI Hong-weiTechnical Experience41-42,4417Application of Highly-located Boreholes at Drilling Site for Gas Control in Working Face in Wangjiazai Coal MineZHOU Pi-chang, LIU Wan-lunTechnical Experience43-4418Exploration on Gas Control Techniques under Complicated Geological ConditionsTechnical Experience45-46,4819Application of SBR Treatment Technique in Sanitary Sewage Treatment of Baifang Coal MineWANG Wen-qing, LIU Sui-fang, ZHANG Guo-fuTechnical Experience47-4820Application of Combined Support Technique Using shotcrete and Bolting Mesh Plus Cable Anchor in Maintenance of Coal ChuteHUANG Chu-xian, ZHANG Hui-yuanTechnical Experience49-50 