1Technology Research and Development Trend of Thin Seam Electrical-Haulage ShearerZhang Shihong, Zhou ChangfeiDesign and Research1-52Design and Research of Thermal Balance Test-Controlling System for InverterLi Bin, Liu Weiming, Zhu XuedanDesign and Research6-93Research on Intelligent Circle Chain Medium-Frequency Power Heating SystemWang YanDesign and Research10-134Study on Minimum Film Thickness of Piston Ring-Cylinder Liner Pair in Elastrohydrodynamic LubricationKan WenhaoDesign and Research14-175Fault Line Selection Method of Two Pseudo Self-Reflection Method for Distribution NetworkCheng Zhilei, Zhou Fuyong, Qiu FengDesign and Research18-216Design of DC Speed Drive System Based on Buck CircuitWang Zhao, Zhang QizhiDesign and Research22-247Study and Design of Grouping Switching Reactive Power Compensation Controller Based on Fuzzy ControlHao Junying, Guan Ruifang, Wei YaojieDesign and Research25-30,358Research and Design of Fire Protection Monitoring System of GroutingZhao GuangxuDesign and Research31-339Design of Half-Duplex Communication Interface Based on Mono-Stable TriggerWang Lili, Zheng Fenglong, Liu Jianzhao, Meng Fanmeng, Chen PengDesign and Research34-36,4010Research and Design of Belt Conveyor Centralized Control System Based on Industrial EthernetZhang Xuan, Duan YanjieDesign and Research37-4011Design of Mining Controller Based on RF CommunicationZhu Kai, Gao Feng, Liu Daling, Zhang ZhiyongDesign and Research41-4412Design of Reclaiming Machine Claw Soft Starting SystemCui Guangxin, Zhang HongweiDesign and Research45-4713On-line Insulation Monitoring Device Based on Low Frequency Signal Injection Method for Mine High-Voltage Power NetworkWang Jianjun, Zhu WeidongIssue Discussion48-51,5714Application of Powerful, Safe, Effective and Automatic Hoist System in Coal MineLiu DatongIssue Discussion52-5715Application of PID and Multi-Valued Logic Control to Multi-Magnetic Circuit and High Current Test PlatformCheng LitongIssue Discussion58-61,6516Application of Intelligent Emulsion Pump at Fully Mechanized Coal TunnelLi JianminIssue Discussion62-6517Application of Electromagnetic Radiation Technology at Highland Prominent Stress Mining FieldZhou Fei, Tian HuilingIssue Discussion66-67,7018Status and Prospects of Rapid Tunneling Equipment in ChinaSong Dan, Zhang Yunsen, Wang Kai, Zhang GuoliangIssue Discussion68-7019Lightning Protection Simulation of Transmission Line Based on ATP-EMTPFeng Liang, Liang PeiranIssue Discussion71-7320Design and Research of ZFB-350/12(A) Explosion-Proof Direct-Current GeneratorZhao RuipingIssue Discussion74-75 