1FROM THE EDITOR前插12Comments on Establishment of Mine Safety Emergency Refuge SystemTIAN Rui-yunExperts Forum1-43Comments on Design of Main Shaft Headframe in Liuzhaung MineZHOU Jia-ying, ZHU Xiao-hui, KE Wen-gaiDesign and Technology5-64Study and Practices on Combined Applied Technology of Upward Mining and Downward MiningGAI Zeng-xueDesign and Technology7-95Optimized Design on Strip Mining Base on Improvement of Mining RateLIU Jun-hai, WU Bo, WANG Ying-yingDesign and Technology10-11,146Research and Design on CPLD Control System of Geological Radar InstrumentMA Kai, WANG Yan-wen, QIN Xiao-ping, HAN Liang-liangDesign and Technology12-147Analysis on Key Problems of Loading Control System Applied to Mine Main Belt ConveyorLI Wei, YAN Ji-ping, LI Na, ZHANG Hai-taoDesign and Technology15-168Study on Power Charging Design of Mine High Power EPS ElectricityDesign and Technology17-199Discussion on System Optimization of Xuehu Coal Preparation PlantZHAO Jiang-tao, ZHU Xue-binDesign and Technology20-2110Design on Winter Ventilation and Heating Supply System of Underground Mine in Cold Region AreaZANG Si-maoDesign and Technology22-2311Discussion on Method to Determine Grade of Atmosphere Environment Evaluation WorkZHONG Zhi-mingDesign and Technology24-2512Comparison on Slope Design Alternatives of Coal Transportation Roadway Substructure in Yuhe MineAI Shi-boDesign and Technology26-2713Analysis on General Plane Plan of Mine Industrial ParkSONG Chun-lanDesign and Technology28-2914Construction Technology with Hydraulic Sliding Mould of Mine Shaft Liner for Mine Main Shaft in Gaohe MineSHA Xuan, HAO Xiao-liangConstruction Technology30-3215tudy on Pilot Support Optimization of Two Gateways in Plaster Backfill Coal Mining FaceLI Xiu-shan, WEN Guo-hui, LIU Cheng-mao, CHEN Shao-jie, LI BoConstruction Technology33-3516Application of Smooth Blasting Technology to Base Rock Section Construction of Mine ShaftCHEN Xin-mingConstruction Technology36-3917Study and Application of Support Technology for Mine Roadway in Swelling Soft RockZHANG Jun-bo, CHEN Zheng-ping, ZHOU Chao-huiConstruction Technology40-4118Application of Middle Hole Grouting Anchor to Support of Gateway Retained Along GoafConstruction Technology42-4419Practices on Cross Point Construction of Inclined Seam Gateway with H Type Steel Ladder - Shaped SupportZHANG Xuan-song, ZHANG BoConstruction Technology45-4620Practices on Cross Point Construction of Inclined Seam Gateway with H Type Steel Ladder-Shaped SupportZHANG Xuan-song, ZHANG BoConstruction Technology47-49 