1Research status of global safety science and technology in 2021FENG Changgen, LI Jie, LI Shengcai1-14,232Developing an emergency management disciplinary ecosystemTONG Xing15-233Simulation of fire evacuation in university library based on PathfinderZHANG Jinggang, YIN Yichen, HE Xin24-304Evaluation of urban emergency reserve capacity based on partial least squares path modelSUN Caiyun, KONG Lingdong, ZHONG Luyao, LI Yufan, LIN Ru, YUAN Jingjing31-385Visualization analysis on knowledge map of surface subsidence disaster in domestic goaf in ChinaGU Lei, ZHU Quanjie, ZHONG Jianfeng, LIU Dongmei, WANG Dacang39-466Visual simulation and teaching practice of earthquake disaster based on BlenderLI Shuxian, ZHU Quanjie, WANG Dacang, YANG Keyu, LIN Haoran, WU Chenxi47-557Evaluation of flood disaster emergency capability based on AHP fuzzy comprehensive evaluation methodLI Yulin, LAN Zequan, ZHANG Lina, KUANG Yonghua56-618Design of motor control system for emergency rescue robot based on fuzzy self-tuning PIDHU Xingzhi, LIU Weijia, LI Juanjuan62-679Analysis on pollutant emission characteristics and air demand prediction in Beijing Yuntong tunnelZHENG Shilin, LI Qiong, CHEN Wei, XUE Hongwang68-7310Research on innovation and entrepreneurship education mode reform of emergency characteristic colleges and universitiesWEI Xiaoshuai, YANG Yali, WANG Jun, WANG Hongxia74-7911Principal component analysis and discriminant analysis for source of water pollution in community pipe networksSUN Ximeng, HAO Chunming80-8612Research on the strategy of collaborative innovation of emergency industry from the perspective of designHU Jiabin87-9413On cross-cultural factors of national image construction in emergenciesYAN Penghui, LI Hongmei, LIU Dongmei95-10014Research on cloud model of slope stability evaluation based on grey relational analysisP AN Yu101-10715Construction and thinking of emergency safety culture system in universitiesGUO Yucheng, CAI Jinluo, NI Xuesong108-11216Risk assessment of flood hazard based on AHP and fuzzy comprehensive evaluation methodsLIU Lidan, ZHU Quanjie, ZHENG Guiqiang, WAGN Dacang, LI Peilin, LIANG Siyang113-119 