1Monitoring and Control System for Coal Mine Safety Based on Zigbee TechnologyLIU Yuan, ZHU HuaLaboratory Research1-32Analysis of Transmission Characteristics of Electromagnetic Wave in Rectanglar and Curved TunnelSUN Ji-ping, ZHANG Hong-wei, ZHANG LongLaboratory Research4-63Integrated Remote Monitoring and Control System for Coal Mine SafetyLaboratory Research6-94Research and Development of Remote Monitoring and Management System of Major Dangerous SourcesSUN Fei, ZHANG Sheng-wen, FANG Xi-fengLaboratory Research10-135Research of Wave Characteristics of Rock AE Based on Wavelet TransformHE Jian-ping, WANG NingLaboratory Research14-176Research of the Feasibility of Applying Ionic Smoke Inductor in Coal MineCHEN Zhi-gang, WANG Tian-fuLaboratory Research17-197Research of Data Mining-oriented Data Warehouse of Materials Supply in Coal MineFAN Ji, WANG De-yongLaboratory Research20-228Design of Temporal Data Warehouse and Its ImplementationBAO Rong, SHAO Xiao-gen, WANG Yao-caiLaboratory Research22-249An Online Detecting Technique for Fiber Based on Bend Loss and Its ImplementationXING Xue-ning, GU Ya-pengLaboratory Research25-2710Research of the Problem of Spectrum Leakage in Harmonics Measurement of Power SystemYIN Qing-ping, NIU Xiao-pingLaboratory Research28-3011Research of Self-adaptive Current Protection of Middle-low Voltage Distribution NetworksLaboratory Research30-3212A Reactive Power Optimization Planning of Power System Based on Genetic AlgorithmMA Yan-nan, CHENG Qian-liLaboratory Research33-3513Design of Monitoring and Control System for Vehicle of Coal Mine Based on WinCC and CAN BusTAN Si-yun, TIAN Geng, YOU Wei-junTechnical Progress35-3714Design of Monitoring and Control System of Hoisting System of Permanent Magnet Linear Synchronous Motor and Its ImplementationLIU Hui, FU Zi-yiTechnical Progress38-4015Development of New Model Intelligent Safety Monitor of Emulsion Pump StationTechnical Progress40-4216System for safety and Production of Coal Mine and Its ImplementationTechnical Progress43-4617Design of Digital Monitoring and Alarming System for GasTechnical Progress46-4818Implementation of Memory Function of Monitoring and Control System of Mine HoistTechnical Progress49-5019Remote Monitoring System of Pressure of Hydraulic Support Based on Configuration SoftwareTechnical Progress51-5220Research of an Improved Multilevel Inverter of Hybrid CascadeZHU Mei-qiang, LI Ming, XU Yi-pingTechnical Progress53-56 