1Design of Gas Abnormality Early-warning System of Coal MineYAN Zhao-zhenAchievements of Science and Research1-32Design of Mine-used IP Broadcast and Talkback SystemWANG Shu-qiang, JIANG Yun, XU Wei, GU Yi-dongAchievements of Science and Research4-63Mine-used TD-SCDMA Wireless Communication System and Solution of Release Platform of Mobile InformationXU Wei, BAO Jian-junAchievements of Science and Research7-94Research of Control Method of Coal Mine Pump System Based on BP Neural NetworkJIANG Wei, WANG Xiao-cenAchievements of Science and Research10-135Research of Remote Technical Support Service Platform of Coal Mine Application SystemDI Peng-hao, LIU JiaAchievements of Science and Research13-156Contrast Analysis of Mine-used Technologies of TD-SCDMA and WiFiREN Yong-xing, ZHAO Zhi-huaAnalysis Research16-217Research of Interpolation Algorithm of Missing Mine Pressure DataCHEN Hui, ZHOU Wen-chao, WEI Yong-qiang, LIU Wei-na, ZHANG Yun, YAN Guan-yu, ZHANG Rui-pingAnalysis Research22-258Spark Test Device and Its Application in Assessment of Intrinsically Safe CircuitXU ZhiAnalysis Research26-289Research of Application of Optimized Grey Model in Power Load ForecastingLIU Jian-hua, LIANG Hua-yang, YANG LuoAnalysis Research28-3110Research of Coverage Problem of Mine Wireless Sensor NetworkHU Ming, ZHU Xiao-ying, ZHU Zhi-chengAnalysis Research32-3411Research of Application of AC-AC Frequency Converter Similar to Plugged Pulse-chopping Converter in Coal Mine UndergroundYANG Wei-yi, JIANG De-zhiLaboratory Research35-3812Underground Risk Assessing Method Based on Rough Set and D-S Evidence TheoryLI Bo, HUANG Yuan-yueLaboratory Research38-4013Research of Fault Line Selection Method in Distribution Network Based on Transient Zero Sequence ComponentTIAN Shu, HE Jin-peng, LIANG JingLaboratory Research41-4514Design of Closed-loop Inspection Information Collection System of Mine Electromechanical EquipmentsCUI Li-zhi, LOU Hui, YAO Ya-feng, KONG Xiang-yunLaboratory Research45-4815Design of Measuring System of 2-sides Deformation of Mine Roadway Based on Ultrasonic Distance MeasurementYUAN Feng-pei, YAN Xiang-hong, LIU JieLaboratory Research49-5316Research of Control Strategy of Dynamic Voltage RestorerYUAN Shu-bo, GAO Qing-xian, GENG Liang, LI Shuang, GU Xiao-pengLaboratory Research53-5617Simulation Research of Frequency Conversion Starting System of Load Commutated Synchronous MotorWANG Hua-ping, XIA Jing-jing, WANG Xiao-cenLaboratory Research57-5918Detecting Method of Moving Human in Intelligent Video Monitoring of Coal Preparation PlantZHANG Sheng-qiang, WANG Jian-jun, DING LeiLaboratory Research60-6219Research of Open-loop Speed Regulation Characteristics of Brushless Doubly-fed MachineLU Xiao-qi, WANG Feng, LIU Yi, WANG BinLaboratory Research63-6620Design of ZigBee Wireless Transmission System in Setting-out SurveyZHANG Jing-xia, QIU Li-cunLaboratory Research66-70 