1Research on alarm method of coal mine extraordinary accidents based on sound recognitionSUN Jiping, YU XingchenAchievements of Scientific Research1-5,442Design of high-power intrinsically safe power supply based on fault current change rateKANG Qian, XU Chunyu, TIAN Muqin, SONG JianchengAchievements of Scientific Research6-123Anomaly detection method of inspection video for coal mine underground roadway deformationYANG Chunyu, YUAN XiaoguangSpecial of Intelligent Control in Underground Space13-174Research on the application of direct current resistivity method in coal seam floor water inrush monitoringLU JingjinAnalysis Research18-255Analysis of the influence of cable recovery method on long-distance power supply of fully mechanized working faceYAN Donghui, FAN Shengjun, HOU Gang, YANG Feiwen, RONG Xiang, WANG Yue, OUYANG MinAnalysis Research26-316Research status and prospect of roadheader health managementLIU Songyong, LIU QiangAnalysis Research32-377Analysis of the influence of mining thickness on the stability of surrounding rock of goaf-side roadway drivingYANG Zhen, YANG Yongliang, GUO Ruirui, GUO Aiwei, ZHAO YangyangAnalysis Research38-448Research on surface deformation law of closed mines based on SBAS-InSARYU Hao, CHEN Bingqian, KANG Jianrong, MEI HanAnalysis Research45-519Optimization of electromagnetic structure of magnetic levitation belt conveyorHU Kun, JIANG Hao, JI Chenguang, PAN ZeExperimental Research52-5710Research on signal processing method of mine wire rope damage detectionWANG Hongyao, WU Jiaqi, LI Changheng, TANG Wenjin, ZHANG YanlinExperimental Research58-6211Experimental study on characteristics of strain and acoustic emission in the process of coal rock expansion and fractureLI Jie, QIU Liming, YIN Shan, LIU Yang, TONG YongjunExperimental Research63-69,7412Study on the change law of temperature and mechanical properties of coal body in uncovering coal seam in low temperature freezing cross-cutZHOU Zhen, ZHAI ChengExperimental Research70-7413Stroke control method for energy-saving operation of mine hoistZHANG Mei, HU XuexueExperimental Research75-79,10814Numerical simulation study on the influence of surface air leakage in shallow thick coal seam on coal spontaneous combustion in goafXING ZhenExperimental Research80-87,10315Buck circuit fault diagnosis method based on digital twinXIA Ling, JIANG Yuanyuan, ZHANG Jie, SUN Quan, WEI Nianwei, ZHANG ShutingExperimental Research88-92,11516Design of pipeline flow meter based on ultrasonic time difference methodMA Jian, LI Zefang, ZHANG DeshengExperience Exchange93-9717Optimal measures for gas control on fully mechanized working face of close-distance coal seam groupXUE YanpingExperience Exchange98-10318Design and implementation of clock synchronization scheme for mine distributed acquisition systemAN SaiExperience Exchange104-10819The practice of rock burst disaster prevention and control in the stress concentration area of Zhangshuanglou Coal MineZHANG LeiExperience Exchange109-11520Construction practice and key technologies of intelligent mineREN Wenqing, GAO XiaoqiangExperience Exchange116-120 