1Domestic and International Industrial Application Status of Cement Bed Finished Grinding SystemLI Mingzhe, DU Xin, NIE Wenhai, SHI Guoping, QIN Zhonghua13-172Technical Transformation of Ultra-low Emission of Cement Rotary Kiln PreaheaterLIU HongchaoOverview18-22,263Investigation on Mainly Sources of Water-soluble Chromium(Ⅵ)and the Total Chromium for CementLIU Ji, PAN Guo, QIN Jinfeng, MENG FuhengOverview23-264Numerical Simulation Study of the Effect of Cyclone and Nozzle on Burner PerformanceDU JiajiaEquipment Technology27-345High Efficiency,Green and Energy-saving "Double-fans" Grinding SystemHU Zewu, YANG Ping, HOU XingyuanEquipment Technology35-416Motor Faults Diagnosis Based on Electrical Signature AnalysisZHU Yaping, WAN Bing, YUAN ZhigangEquipment Technology42-477Research on Discharge Gap and Aggregate Gradation of the Impact CrusherWANG Wei, ZHAO Dali, LIN Hui, HAN FeiEquipment Technology48-528Application of Vibratory Stress Relief Technology in the Manufacture of Bearing Housing of Roller PressDONG ZhishouEquipment Technology53-569On-line Repair of Rotary Kiln Supporting RollersXU Wenbin, DU Shijin, SHEN Yinpeng, LIU XichengEquipment Technology57-6110Measures to Reduce Cement Caking in the SiloGUO LinProduction Technology62-6511Application of On-line Element Analyzer in Cement Quality ControlZOU Bo, PAN Bo, LIN Tingquan, HAN Xianping, GAN XiaoliangProduction Technology66-7012Production Practices of G Grade High Sulfate Resistance Oil Well CementZHANG HongweiProduction Technology75-7813Cause Analysis and Treatment of Ring Formation in Rotary KilnCAO HuihuiProduction Technology79-8214Discussion on Design of Fire Hydrant System in Overseas Cement PlantQIN Jiangjiang, WANG ZhouyaEngineering Technology83-86,9115Application in Distribution Design and Comparison between Busway and CableZHANG YuEngineering Technology87-9116Improvement of DCS & DEH Control System for Waste Heat Power GenerationLI JunWaste Heat Power Generation92-96