1The Research on Grasping of Automatic Synchronization Parallel Switch on Opportunity with Single-chip MicrocomputerFU Zhouxing, LI Zhong, GUO Yingna1-32A Linear Bridge Circuit Based on PI RegulatorLI Aiguo4-63Study of Measuring Method for Metal Impact WareZHAO Yawei, ZI Keming, YANG Yanbo6-84Improved SDT Algorithm and Its Application in Process Data CompressionWANG Zhenghong9-115Application of MATLAB Software in the Fuzzy Control System for Water Level in BoilerCHEN Xinhua12-146How to Improve Reliability of Monitoring and Control System Based on SDT Engineering ComputerFANG Minghuang, FANG Mingye15-177Analysis of Electric-control System for Boom Tunnelling Machine and Study on Its Reliability17-198Study of Intelligent Multi-parameter Instruments Used in MinesSUN Peide20-229Development of Intelligent and Airtight Detecting Device22-2410The Fuzzy Control System for Electrodialysis25-2611Study of PLC Monitoring and Control System for Mine Used Switch Element27-2812Anti-noise Broadcasting Telephone Communication System and Its Application in Coal Mine29-3013Application of Automation System for Electricity Dispatching in Huaibei Coal (Group )Co.,Ltd.MIAO Xuefu31-3314Selection Design and Application of Safety and Production Monitoring and Control System for Tucheng Coal Mine33-3415Designing of Safety Information Management System Used in Coal MineSONG Jinling, WANG Hui, LIU Yuying, ZHANG Hong35-3616Model KJ50 PROMOS Monitoring and Control System37-3817Model KJ56 Monitoring and Control System Used in Coal MineZHENG Fenglong, ZHENG Xiaotian, SUN Yubao39-4118Research of the Application of Industry Controlling Configuration Based on Internet Technology in Coal Enterprise41-4319Development and Application of Read-write System for General IC Card44-4520Utilisation of Flame-proof Dieseal Rubber-tyred Geared Locamotive and Its Prospect46-49 