1Development Situation and Tendency of Native Mining Belt ConveyorJIANG Wei-liang, HAN Dong-jingDesign and Research1-62Analysis of Equipment Completing and Power Supplying Mode in Safety and High Efficient FaceLI Jian-min, ZHANG Zhi-yanDesign and Research7-113A Study on Main Circuit of High Power and Non-harmonic TransducerZHANG Dong-fang, RU Chang-qingDesign and Research11-134Study on Mathematical Model of Tubular Iinear Induction MotorLIU Chao-hui, XU Sheng-jun, SHANGGUAN Xuan-fengDesign and Research14-15,205Design of Mine Cylindrical Flameproof EnclosureGUO Xiao-e, ZHAO Jin-luDesign and Research16-206Realization of Using Zigbee Technique to Wirelessly Collect Gas Information Underground Coal MineLI Guo-min, CHEN Dan-yang, GUO Hong-taoDesign and Research21-247The Study of Parameterization Modeling Technology of Involute Helical Gear Based on APDLYANG Jian-ming, BIAN Ming-jieDesign and Research24-268Applied Study of Vibratory Mixing Technology for Production of Steel Fiber Polymer ConcreteXU Ping, YAN Zhi-wen, YU Ying-huaDesign and Research27-299A Study of Wheel Teeth Shape for Star Wheel Loading MechanismLI Xiao-huo, LIU Chun-huaDesign and Research30,3310A Study on Detection Method of Gas SensorFU Hua, LI Dong-xueDesign and Research31-3411Application of Rough Set-Neural Network Combinatorial Fault-diagnosing MethodAN Wen-dou, LIU Ping, WU Cun-liang, YU Le-quanDesign and Research34-3612Solid Simulation of Planar Double-enveloping WormZHANG Yue-min, WANG Xiao-linDesign and Research37-3913Conception of Roadheader-borne Temporary SupportDU Shi-qiang, SHAN Yu-boDesign and Research39-4014Research on High Speed Machining CNC System Based on STEP-NCWANG Ya, ZHANG Si-bingIssue Discussion41-4315Situation and Problems of Trackless Rubber-tyred Auxiliary Haulage in Chinese MinesWANG Zong-yuIssue Discussion44-4716Development of Gate Oversize Extensible Belt ConveyorMENG Feng, SHI Zhi, XU Jian-jun, ZHU Li-pingIssue Discussion47-4917Roller Bearing Fault Diagnosis Based on Wavelet Packet and BP Neural NetworkYANG Yong, CHENG Hang, CHEN Fa-faIssue Discussion50-5218A Study on New Technique of Low-voltage Leakage ProtectionWANG Xiao-huaIssue Discussion52-5619Application of CAN-bus Technology to Coal and Gas Outburst Prediction SystemXUE Yong-cun, LU Wan-jie, FU HuaIssue Discussion57-58,6120The Application of MACSV Digital Electro-hydraulic Control System to Small DynamoLUO Yi-zhongIssue Discussion59-61