1Application of multi way technical design for retreat mining gateway of fully mechanized coal mining faceHE An-minDesign and Technology5-62Analysis on feasibility of upward mining in mine of GuizhouDesign and Technology7-93Research and development on comprehensive operation device of underground mine signalZHAO Xiao-dongDesign and Technology10-114Selection of auxiliary transportation design alternative for high inclined seamLIU Hong-deDesign and Technology11-125Application design of flame-proof and intrinsic safe type four quadrant frequency converted control system to steel cable driving belt conveyor in underground mineDesign and Technology13-146Min support tree applied to area electric power network optimizationDesign and Technology15-167Mine Distribution capacitive current control measures and achieveWU Wen-ming, LIU Tao, XU Jin-gangDesign and Technology17-198Considered factors, problems needed to be solved and development tendency in railwayZHANG Zhao-pingDesign and Technology19-219Application of bending and twisting distinguishing method for angle welding to projectDesign and Technology22-2310Application of landscape ecology to mine geological environment treatmentDesign and Technology24-2711Optimized design of GPS control network for mining area in mineZENG Shao-bing, LI Gang-fengDesign and Technology28-3112Analysis on economy of heat supply system with solar energy thermal pumpDesign and Technology31-3413Study on Support Technique for Mining Sensitivity Floor RoadwayYANG Hong-min, YANG Ji-ping, DING Xiao lei, YAO Qiang-lingConstruction Technology35-3714Application of bolt and grouting support to repair gateway of fully mechanized over miningConstruction Technology38-4015Reinforced support technology for stage loading chamber in mining blockTAN Yu-feng, WANG Gui-faConstruction Technology40-4116Application of boom type roadheader to metro constructionWANG Xi-sheng, WANG Xue-chengConstruction Technology42-4517Discussion on support system selection for coal mining face with shallow ground pressure base on similar simulation methodZHANG Bai-xiangConstruction Technology46-4818Parameter study and application of high level gas drainage borehole in tail gatewayProduction Experience48-5019Technical masures for coal mining under iron tower of 220 KV power transmission line at surfaceLUO WenProduction Experience51-5220Technical research on gas prevention and control alternatives in Bide MineHAN Zhen-li, FENG Dong-guiProduction Experience53-56 