1The Study of the Monitoring Technology of Anchor-staff Supporting and the Application of the Portable Rock-seam Video MonitorYUAN Xiao-ping, YU Hong-zhen, WANG De-yinLaboratory Research1-32An Algorithm of Anti-collision between Readers of RFID Positioning System of Coal Mine UndergroundHU Sheng-bo, ZHEN Zhi-pingLaboratory Research4-73The Study of Data Warehouse in ERP EnvironmentBAO Rong, WANG Yao-cai, SHAO Xiao-genLaboratory Research7-94Integrated Research on Power Monitoring and Control System of Coal Mine Based on OPC TechnologyZHANG Kun-ao, GONG Shang-fuLaboratory Research10-135Discussion on Frequency-conversion Drive of Dual-roller of Upward Belt ConveyorLaboratory Research13-156The Study of Intranet Integrated Technology of Safety Decision of MineYU Zhong-lin, XU Guo-qingLaboratory Research16-187The Monitoring System of Gas Concentration of Mine Based on Bluetooth TechnologyYE Lin, ZHU Zheng-ying, ZHANG Hong, ZHANG JieLaboratory Research18-218Using Digital Correlation Technology to Realize Rapid Capturing of the DS SignalLaboratory Research22-259The Development of Intelligent Module of Flux Sensor Based on PROFIBUS-DP and Its ImplementationLI Ming, TANG Zhi-biao, CHANG Jiang, ZHANG Hong-xing, YANG Da-yongLaboratory Research25-2710The Study of Monitoring and Control Device of Coal Mine Based on SOPC TechnologyZHENG Hong-dang, XU ZhaoLaboratory Research28-3011The Application of Wireless Network Technology in the Remote Monitoring and Control System of Coal Mine in NingxiaLUO JiaTechnical Progress31-3212The PLC Implementation of the Automatic Drainage in MineTechnical Progress33-3513Electric Leakage Alarm Network System Based on CANXIA Ji-qiang, YU Shu-sheng, XING Chun-xiang, LI Wen-qiTechnical Progress36-3914The Design of the Auto-leveling System Based on Keilc51 and Its ImplementationDING Shou-cheng, YUAN Gui-ciTechnical Progress39-4115A Kind of High-precision Voltage Regulator Based on LM399CHEN Tai-hongTechnical Progress42-4416The Application of Ultrasonic Material Level InstrumentTechnical Progress44-4517Reform of Whole Digital DC Regulating System for Wire Cable BeltLU Xing-xianTechnical Progress46-4818Model KSS-1 Automatic Control System for Lump Coal Crash PreventionLUO Yu-qi, LEI Nai-qing, ZHANG Yong-fa, ZHENG JiangTechnical Progress48-4919The Design of the Management Information System for Production Plan of Coal Enterprise and Its ImplementationMU Qi, GONG Shang-fuTechnical Exchange50-5320Soft Starting of the Asynchronous Squirrel Cage Motor Based on ITPM and Its Saving Energy OperationWANG Xian-juanTechnical Exchange53-55 