1Experimental study on the influence of grouting pressure on the grouting transformation effect of porous mediaYI Sihai, ZHONG Rui, JING Shengqiang, WANG Yue, ZHU Wei1-62Study on similar destructive test of sandy rocks and rock-like materials based on acoustic emission under uniaxial compressionPENG Rui, YANG Xuehong, ZHAN Shaowei, GAO Chao7-183Design and optimization of roadway support parameters for coal roof in Tangshan mineZOU Guanghua, ZHANG Jinbiao, XIN Chubing, FAN Qingzheng, YANG Jiannan19-254Inversion simulation of geostress distribution characteristics of fault rock in Yuwu coal mineWANG Zhijian, LU Shengliang, YANG Changyi26-315Study on mining surface subsidence law of deep coal seam group mining based on SBAS-InSARLI Xinliang, XING Bin, CHEN Wencong, XUE Yakun, YI Sihai37-44,966Research on optimization of ground heat exchanger depth under soil layered and non-layered in the loess plateau regionWU Jinshun, SUN Qihui, CUI Ying, GAO Xuhui, PAN Song45-567Numerical study of slope stability considering vertical seismic actionLIU Ziyuan, ZHAO Shaofei, LI Pingping, WANG Hang, BAO Junwen57-648Effect of environmental parameters on emergency chemical leaching efficiency of high fluoride sedimentsWANG Yuexuan, ZHANG Haodong, HUANG Zhiyong, HAO Chunming65-729Numerical analysis of the mechanism of calcium carbonate inhibition of methane-coal dust explosion in pipelinesXU Jingde, LU Sentao, LU Hongyu, LIU Junhai, WANG Zhie73-7810Dense crowd detection algorithm based on improved YOLOv5WU Wen, DAI Wantao, CHEN Wenzhuo79-8711Research on lithium battery box fire monitoring system based on wireless sensor network and weight self-adapting decision modelWANG Haoyang, TAN Zhigang, YANG Mingming88-9612Research on the new training mode of intelligent mining professionals based on demandZHANG Kexue, YIN Yuhang, ZOU Guanghua, CHEN Xuexi, WANG Xiaoling, SHI Haoyu, Yin Shuaifeng97-10213The application and practice of domain knowledge graph in emergency management innovation and entrepreneurship educationXU Hange, GUAN Huayu, WANG Yilan, ZHAO Zhihui, SHAN Yao103-10914Research on the relation between the motivation of undergraduates’achievement and academic self-efficacy under the emergency contextWANG Lifang110-11315Research on enhancing the emergency response capacity of grassroots party organizations in Langfang for flood disastersWANG Yongzhi, XU Shuhua114-120 