1Research on Pressure Compensation Method for Methane Detection Based on GA-BP LaserLI ZhifuDesign and Research1-52Current Status and Development Trends of Scraper Conveyor Drive System TechnologyMENG Fanyu, WANG Teng, SONG Tao, GUO WenxiaoDesign and Research6-93Design and Research of MEMS Thermal Conductivity Methane SensorYAN PeiyuDesign and Research10-154Design of the Impact Test Bench for Column Safety ValvesKONG Xiangkai, LI JunshiDesign and Research16-205Research on Battery Swapping Technology for Mining Explosion-proof Lithium Battery VehiclesQI HongDesign and Research21-276Modal Analysis of Cantilever Double Stage Longitudinal Moving Drilling Anchor MachineLUO Songsong, WANG Hongyu, TAO Yongqin, ZHANG Anning, LIU Yang, LI ChuangDesign and Research28-31,397Research on Vector Control of Vienna Rectifier Based on OSS-MPCSUN Hanyu, LI Quanxin, FANG JunIssue Discussion32-398Influence of Motion Parameters of Thin Coal Seam Coal Winning Machines on Drum Loading RateGUO Dai, WANG PengfeiIssue Discussion40-459Exploration of Bilingual Database Construction for Coal Winning Machines Based on TradosTAO Rong, MA ZiyaoIssue Discussion46-4910Asymmetric Deformation Law and Control Technology of Steeply Inclined Soft Slope RoadwayCHENG ShiyiIssue Discussion50-5611Mechanical Response Characteristics of Drilling Hole Circumference under Lateral Pressure Coefficient EffectWANG Li, LIU Haisheng, QI Xiaohua, MA Yun, GOU KaiIssue Discussion57-6112Discussion on the Matching Form and Space of the End Support and Rear Conveyor of the Fully Mechanized Caving Face ConveyorLI Haoyu, SUN SongIssue Discussion62-6513Development of Hydraulic Cylinder for Adjusting the Height of Coal Winning Machine Stroke SensingZHU HongTechnical Practice66-6814Prediction of Coal Loading Rate for Thin Coal Seam Coal Winning Machine under Downward Mining Conditions Based on Improved DBO-BPNNWANG Pengfei, GUO DaiTechnical Practice69-74,8015Current Status and Prospects of Welding Research on the Central Chute of Scraper ConveyorYIN Zhonghui, WANG HuichunTechnical Practice75-8016Practice of Intelligent Comprehensive Mining Technology for Large Dip Coal SeamsLI Liang, LIU Zhongyuan, WANG Wei, ZHANG Tao, CHEN FeiTechnical Practice81-85,8917Research on the Processing Technology of Irregular Wedge Blocks for BackstopMA Guocong, YANG JieTechnical Practice86-8918Design of Air Suspension for Mining Vehicles and Analysis of Rollover StabilityQIN HaichuTechnical Practice90-92 