1Conception and Countermeasures to Develop Construction of High capacity and High-efficiency Mine of Coal Industry during New PeriodCHEN Qi1-3,62Research on Application of Vibrant Cutting on RoadheaderZHU Hao, LIU Jing-tao4-63Research on Technigue of Hydraulic Braking System for Downward Belt Conveyor in Coal MinesDAI Jian-li7-104Development and Application of the Powerful Geared-head Unit for Thin Seam ShearerZHOU Chang-fei, ZHANG Wei11-145The Application of MG300/700 -QWD Shearer to Jiahe Coal MineCHEN Jian-yong, GUO Cai-feng14-156Matching Relation between Traction and Cutting Power of ShearerLIU Chun-sheng16-177MG200/456 -WD Electric Haulage Shearer for Thin SeamsFENG Jing-ruo, WU Li-ya, WU Hou-rong, YANG Qi-ping18-198Factor Analysis of Continuous Miner on Coal LumpLI Xiao-huo, YU Xin-wei, MA Xiao-hong20-21,249Transformation Scheme of Power Supply System for Wulan Coal MineZHI Jian-hua22-2410Analysis of Buffer Action during Full-speed Over-wind of HoisterHAN Chang-jun25-26,2811Analisys of Walking Speed Regulation System of Driving MachineLIU Jian-ping27-2812Development of Quality and Strong PicksZHANG Guo-dong29-29,3213Design of Monitoring and Control System for Underground Distributed SubstationL(U) Hong-Sheng, HE Yong-Xue30-3214The Study of Control Technology of Mine Rail Locomotive Signal Shunt EquipmentLI Yu-liang, LI Dian-ping, GUO Xiang-sheng, KONG Yue, LIU Ming-wang33-3615Application and Principle of Ground Wire-selecting Protection Based on Breakdown Phase CurrentWANG Jin-ye, WANG Qi-jun, MU Long-hua36-3816Refrigeration System with Energy-saving and Frequency Conversion Speed RegulatingMU Yu, FU Xing-wu39-41,4417The Application of Fuzzy Synthetic Judgment in Fault Diagnosis of Axial plunger PumpZHANG Yuan-shen, HU Kang-liang, ZHANG Xiu-ge42-4418An Intelligent Low-voltage Vacuum Circuit-breaker for Flameproof Feed SwitchesJIANG Zhi-li, WU Jian-bin, MA Hong45-47,5019The Study of Using Low Voltage Explosion-proof Converter for Coal MineGUO Jun48-5020Selection and Power Consume Calculation of Contravariant Module of Mine-used Frequency-converterXU Zhong, YANG Wei-yi51-53,56 