1Intelligent security control technology system and high-quality development countermeasures for coal minesWANG Guofa, GONG Shixin, SHEN Kaispecial theme for"Key technologies of mine safety monitoring and early warning"1-82Research on semantic segmentation of mine sub-illumination images based on self-attention mechanismYANG Kehu, LONG Qihang, WANG Jiawen, PENG Baoshan, JIN Bo, YANG Xuemengspecial theme for"Key technologies of mine safety monitoring and early warning"9-183Design and implementation of positioning watch with health monitoring based on UWB technologyFAN Rong, GUO Jiangtao, WANG Feispecial theme for"Key technologies of mine safety monitoring and early warning"19-234Research on early warning model of coal and gas outburst based on case-based reasoningLI Quangui, LI Jianbo, HU Qianting, WU Jiangjie, ZHENG Menghao, LI Shang, ZHOU Junjiangspecial theme for"Key technologies of mine safety monitoring and early warning"24-29,365Study on prediction of coal spontaneous combustion based on MSWOA-BPKONG Biao, ZHU Sixiang, HU Xiangming, YANG Tao, ZHAO Xushuai, FEI Date, WAN Shuhanspecial theme for"Key technologies of mine safety monitoring and early warning"30-366Research status and system design of intelligent mine ventilationZHANG Jinggang, WANG Qingyan, HE Xinspecial theme for"Key technologies of mine safety monitoring and early warning"37-427Research and implementation of intelligent control platform architecture for coal mine based on digital twinXIAO Canjun, LIU Hongmei, SHI Faqiang, DENG Congyang, LAI Jianspecial theme for"Key technologies of mine safety monitoring and early warning"43-498Research on prediction of gas emission in working face based on WOA-LSTMZHANG Yucai, WANG Yi, GUO Kaiyanspecial theme for"Key technologies of mine safety monitoring and early warning"50-559Atomic scale characterization of the reaction mechanism of moisture in coal acting on coal spontaneous combustion processZHANG Tong, ZHANG Xin, ZHANG Yulong, YIN Hai, YANG Jianmin, CHEN GuoweiTest Research56-6210Study on damage characteristics and mechanical properties of limestone under multiple impact loadsXU Guangyi, LI Haiyan, WU Lei, ZHANG KaiTest Research63-6911Study on ultra-high pressure hydraulic jet slotting stress-relaxed and rock burst prevention technology of free wide coal pillarHAO Yinghao, ZHAO Qian, DING Guoli, HUANG ZhenfeiTest Research70-7512Numerical simulation of heat CO2 injection to increase CH4QIE JianyuTest Research76-8113Study on the change of active groups and heat transfer characteristics of coal samples with different degrees of metamorphismXING JingTest Research82-8714Efficient gas extraction from roof of overlying limestone stoping faceLI Lianghong, QIAO Yonggang, ZHANG Zeyu, SUN Lei, WANG Haijie, QIN PengfeiTest Research88-93,9815Research on key technologies of 5G intelligent application practice in coal mineWANG HaigangApplication Techniques94-9816Study on prevention and control of rock burst in affected area of overlying coal pillar based on composite weak structurePAN Liyou, SHI Mingwei, DONG Wenzhuo, XU Weizheng, LIU HongjunApplication Techniques99-104,11017Study on technology of super-long gob-side entry retaining gangue support with mining and assemblingLIU Zhongping, MA Liang, GAO Liang, CAO Yuxiang, WANG Shouyin, LIU Yongdong, SUN GuoqiangApplication Techniques105-11018Study on overburden stability classification and support parameters of mining roadway in Datong mining areaCHENG Zhibin, WANG Zuguang, LI Huamin, WANG WenqiangApplication Techniques111-115,12319Study on development characteristics of ground fissures in Suntuan Coal Mine in HuaibeiWANG Ziwei, CAI Yi, YAN Jiaping, HUANG He, FENG Yu, SHANG XiangchunApplication Techniques116-12320Study on secondary grouting reinforcement technology of Matigou Coal Mine retracement laneway in the final mining stageZHU Zixin, ZHAO Dongfang, WANG YuweiApplication Techniques124-129,136 