1Design of Electric Control System of Full-section Rectanglar Fast Tunnel Boring MachineYUE YajunDesign and Research1-5,102Analysis of Pressure Gradient in Accumulator Type Impact Test of Safety ValveWANG YangyangDesign and Research6-103Design of Embedded Condition Monitoring Instrument for Coal Machinery EquipmentLI Zhen, JIA HonggangDesign and Research11-13,174Structural Improvement of Swing Beam Connecting Part of U-shaped TrailerLIU ZhigengDesign and Research14-175Research and Application of High Energy Efficiency Anti-freeze Automatic Spraying System in Express Loading StationREN Xiaodi, ZHANG XiaogangDesign and Research18-236Modeling and Performance Investigation of Vane Type Oil-gas Multiphase PumpGE QinlongDesign and Research24-27,327Strength Analysis of Universal Arm of CMZY2-400/35 Drilling,Loading and Anchoring MachineLUO Songsong, ZHANG Anning, ZHANG Biao, TAO Yongqin, MAO MajieDesign and Research28-328Performance Analysis of Flame Arrester for Flame-proof Vehicle with the Rubber Wheels for the MineFAN JiangpengDesign and Research33-369Environmental Assessment of Coal Mine Driving Face Based on Projection Pursuit ModelHU Yuanyuan, LI LeleIssue Discussion37-4010Analysis and Treatment of Noise in Shearer GearboxZHANG Liqiang, WANG ZhenqianIssue Discussion41-43,4711Kinematic Error Analysis of Four-Bar Linkage Mechanism of Hydraulic Support Considering the Influence of Articulation ClearanceWANG ShuaiIssue Discussion44-4712Control Protocol of Wireless Sensor Network in Goaf Based on Virtual Gateway NodeWANG ChunIssue Discussion48-51,5513Analysis on Function and Correlation Characteristics of Cable Shielding Structure of Coal Winning MachineJIN XinIssue Discussion52-5514Single-phase Grounding Method of Coal Mine Power Grid Based on Analysis of DC Component Attenuation LawLIU Yi, WANG ZhijieIssue Discussion56-62,6615Research and Application of Short Wall Mechanized Filling Mining Technology of Continuous MinerDAI LimingIssue Discussion63-6616Research and Application of Intelligent Technology of Substation HandcartXU Jianjun, QI Yanhui, PAN BoTechnical Practice67-7017Development of a Hand-held Borehole Inclinometer for Small ApertureLI YuanTechnical Practice71-75,7918Design of Siemens S7-200 and MCGS Coal Sample Cleaning SystemLUO Jie, WANG ChunLian, ZHOU Jian, SHAO MingKaiTechnical Practice76-7919Hardware Design and Implementation of Electric Drive Shuttle Car Control System in Coal MineZHU FengTechnical Practice80-83,8720Research on Key Technology of Preheating and Emission Reduction Flameproof Glow Plug for Explosion-Proof Diesel EngineLI ZhiweiTechnical Practice84-87 