1Stability analysis and rib spalling prediction of coal wall in ultra-high mining working facesREN Huaiwei, LIU Kai, LI Jian, ZHAO Shuji, HAN Cundi, WANG Long, LI Jiyang1-112Study on the digital and intelligent technology system for the operation chain of metal and non-metal minesWANG Liguan, LIU Yongchun, ZHANG Ju12-213Research on the intelligent coordinated top-coal caving model and key technologies in extra-thick coal seamsLI Dongyin, WANG Zuguang, WANG Shen, LI Huamin, PENG Weiping, LI Hongbin, ZHANG Guopeng, ZHANG Xuhe22-334Key technology system for fiber optic intelligent sensing in coal miningFENG Haotian, FANG Xinqiu, QIAO Fukang, CHEN Ningning, SONG Yang, HE Dexing, LIANG Minfu, WU Gang, WU Yang34-435Research on the anti-collision monitoring and early warning system for hydraulic support panels and shearers based on omnidirectional laser radarWANG Yichen, WANG Xuewen, MA Kai, LI Hui, NI Qiang, XIE Jiacheng44-526Research on intelligent control system of hydraulic support based on EtherCATWANG Lei, SUN Kai, YUAN Ruifu, QI Junyan53-637A coal bunker monitoring and management system based on multi-source monitoring information fusionWANG Xueji, MA Chenxiang, FAN Junkai64-70,888Exploration on the construction of a transparent 3D geological environment in underground coal mineWEN Guangchao, WANG Yibo, FENG Yajie, ZHOU Yanbin, ZHANG Yifan, ZHAO Mengyu71-809Research on intelligent counting of gas extraction drill rods based on YOLOv5ZHAO Wei, ZHANG Wenkang, LIU Decheng, WANG Tao, WANG Dengke, XIA Dailin, ZHOU Lizan, LI Zhifei81-8810Review and prospects of 3D laser scanning technology in underground miningREN Zhuli, ZHU Hongyang, YUAN Ruifu, WANG Shen89-10011Measures and effect analysis for stimulation and rehabilitation of low-production coalbed methane wells in Tunlan Block,Xishan CoalfieldWANG Yu, SONG Xiaoxia, HU Zhazha, LIU Yanfei, DU Liqiang, QI Wei, YAN Jiwei, GUO Hao, CHEN Weidong101-11112Study on soil moisture monitoring method based on Spatiotemporal Image-fusion Model and TVDIZHAO Jun, LIU Jian, HU Feipeng, TUO Rui, SUN Ziyun112-11813Research on zoning of ecological restoration in mining area based on Entropy-weighted Extension Matter-element Model:A case study of Huojitu MineCHI Guoming, CHEN Sushe, WANG Wei, WANG Shidong, ZHU Zhiyong, JIAO Yiheng, CHEN Zhichao119-12914Research on power equipment case aid diagnosis system based on deep learningCHENG Hongbo, WANG Lin, WU Hao, XIE Zining, LI Haoling130-13715Study on force-angle characteristics of permanent magnet linear synchronous motorXU Yaohui, ZHU Fuwen, GAO Caixia, ZHAO Baosen, WANG Han, MIAO Qingbin138-14616Design and test of a three-stage amplifying flexible piezoelectric microgripperWANG Haitao, CHEN Guoqiang, WANG Geng147-15517Design and luminescence characteristics of LED controllable burst circuit for jaundice detectorsZHANG Zhongwei, YANG Haikun, LIN Shujie, LIU Zeyu156-16318Numerical study on the internal heating mechanism of asphalt mixtures under microwave thermal inductionWU Wenliang, PENG Junlin, LI Zhi164-17119Dynamic mechanical properties of granite containing holes under impact loadingDAI Jun, LIU Boyuan172-18020Synthesis and performance control of calcium carbonate based on wet carbonation of carbide slagZHANG Saisai, ZHANG Xinyu, SHEN Yuanyuan, ZHU Jianping, LIU Songhui, GUAN Xuemao181-188 