1The Research of Detection Method of Optic Fiber Methane Sensor Based on Spectrum Absorption PrincipleHE Yu-kai, WANG Ru-lin, ZHANG Li, WANG Jian, WU Jiu-yanLaboratory Research1-52The Research of Data Processing Technology of Ultrasonic Logger with Large DiameterYANG Wei-ping, WANG Guan-xiang, CHE Xiao-boLaboratory Research5-83The Research of the Technologies of Electricity Generation by Coal Mine Gas and Integrated Supply of Power, Heat and CoolLaboratory Research8-114The Development of Management Information System for Coal Mine SafetyZHU Ming, ZHANG Ai-xia, QIU Li, ZHAO Ya-junLaboratory Research12-145The Research of Wireless Network of Mine Sensor Based on Ad hoc Technology and Its DesignSHAO Qing-liang, ZHANG Zhi-xian, ZHANG Zhen-chuanLaboratory Research15-186The Research of Prediction Technology of Rock BurstLIU Wei-dong, DING En-jieLaboratory Research18-207The Forecasting Method of Coal Mine Ground-water-level Based on BP Neural NetworkWU Xiao-hong, SHI Heng-liang, LI Zhan-liLaboratory Research21-238The Application of the Fuzzy Controller Based on PLC in SBR Sewage DisposalLaboratory Research23-259The Analysis of AC BUCK-BOOST Circuit Based on ARM Control and Its DesignLIU Wen-jiang, ZHANG Xiao-jun, WANG Xu-guangLaboratory Research26-2910The Implementation of Distance Protection for Variable Quantity of Power Frequency Based on Optical Current TransducerLaboratory Research29-3111Fuzzy Evidence Theory and Its Application in Information FusionWANG Yong-dong, CHEN YingLaboratory Research32-3412MAPLE-based Formula Derivation of Boundary Element Methods Used in Symmetrical Steady Thermal Conduction ProblemsLaboratory Research35-3813The Research of Process Control System of Autonomous Decentralization and Its ImplementationLaboratory Research38-4014The Application of PLC in the Electrical Control System for Wire Rope Belt Driven by Double MotorHE Feng-you, LONG Wei-weiTechnical Progress41-4315The Design of Distributed Video Motoring and Control System for Safety Based on DVR/DVS and Its ImplementationTechnical Progress44-4616The Application of Direct Sequence Spread Spectrum in Mine CommunicationLI Wen-jiang, SU Guo-jun, WANG Yu-feng, WANG JinTechnical Progress46-4817The Design of Remote Monitoring System of the Electrical Control System of Underground Belt Conveyor of Binhu Coal MineTechnical Progress49-5118Using TRF6900 and MSP430 to Realize a Kind of Full-duplex Wireless Voice CommunicationTechnical Progress51-5319The Research of the Charge Control Circuit for Portable Gas Annunciator and Its DesignTechnical Progress54-5520The Design of Laser Ranging System with TDC-GP1TONG Min-ming, ZHANG ZhengTechnical Progress56-59 