1Fracture Analysis of Alunina-Silica Short Fiber/Aluminium Alloy CompositesYANG Dixin, ZHANG Zhanling, LI Bingzhe1-42Investigation on Removing Iron in Al-Si-Ti AlloyYANG Liushuan, XIA Qing, LIU Yamin, YANG Dixin, SONG Kexing5-73Double Closed Loop Control System of the IGBT Welding InverterQIAN Yong, LIU Zhaokui, WANG Yanxin, ZHU Jinhong8-104Optimum Design of Preshaving HobWANG Yan, ZHANG Yang11-135Optimal Dimension Synthesis for Path Generation with Prescribed TimingWU Xin, HE Xiaoling, WAGN Jun, CHU Jinkui, CAO Weiqing14-176Undercut for Hypoid Gears with Long Tooth HeightDENG Xiaozhong, MENG Qingrui, NIU Hao18-217Optimal Design of Long Tooth Height Hypoid GearsMENG Qingrui, DENG Xiaozhong, CHEN Dong22-248Constitutive Equation and Rheological Properties of 4106 Aviation LubricantWANG Yanshuang, ZHENG Peibin, YAO Xiaoqun25-289Luster Polish Strengthen for Race Surface of Ball BearingsDENG Sier, LI Mingming, QU Tingmin, WANG Jianping, ZHANG Lijuan29-3210Axial Load Effects on Bearing Vibration in the State of Measure VibrationYAO Xiaoqun, LIU Xinzhuang33-3511A Finite Element Analysis Program for Connecting Rod of DieselCHEN Chuanju, YANG Huizhen, CHEN Dong36-3912A Cipher Algorithm with Variable KeysPU Jiexin, CAO Jiuxin40-4213A Method of Velocity Measurement Based on 8031 Single Chip MicroprocessorGAO Zhijun, FAN Ming, HUANG Guangfu, ZHANG Hexin, LI Jianchao, YANG Ping43-4514Design on High Frequency SPWM Inverter Based on 80C196MCSHENG Lei, LIANG Wenlin, GU Haimin, YANG Jun46-4915A Network Form Control System of Walking Mechanisms Based on Direction Current ServomotorsLI Zhanwei, LI Jianchao, GAO Feng50-5216The Digital Filter Measures in the Microcomputer SystemsYANG Huizhen, ZHANG Yubo53-5517Breakdown Analysis of Microcomputer's PowerLI Zi56-5718Development on the High Efficient and Energy-saving Tobacco Drying-off OvenZHANG Yuxian, JIE Zhan, LI Guangzhi58-6019Improvement of Electrical Heated Air-dryerWANG Yuanjing, ZHANG Mingzhu, WANG Molin61-6420Struction Design and Construction of Telecommunication Mansion in LuoyangXU Yanqing65-69