Yu Qin, female, born in 1981. Doctor of engineering, professor of Hohai College, Chongqing Jiaotong University, visiting scholar of University of California, San Diego. He received his bachelor's degree from the Department of Environmental Engineering, School of Civil Engineering, Southeast University, and his doctor's degree from the School of Urban Construction and Environmental Engineering, Chongqing University. Currently, he is a master's tutor of Municipal Engineering and Hydraulic Engineering, Hohai College, Chongqing Jiaotong University, a member of the expert pool of Chongqing Science and Technology Bureau and Chongqing Ecological Environment Bureau, and a member of Chongqing Youth Federation of Science and Technology. Member of Young Academic Experts of Chongqing Jiaotong University, "Top Ten Teachers" of Chongqing Jiaotong University, jointly awarded the title of "Most Beautiful Teacher" by the Publicity Department of Chongqing Municipal Committee of the Communist Party of China and Chongqing Municipal Education Commission. Main research fields and academic expertise: teaching, design and scientific research in environmental ecology, water environmental ecological restoration, water treatment theory and technology, etc. As the project leader, he has presided over the National Natural Science Foundation of China, the Chongqing Natural Science Foundation of China, the Science and Technology Research project of Chongqing Education Commission, the key Laboratory of Water Conservancy and Water Transportation Engineering funded by the Open Fund of the Ministry of Education, etc., and has participated in the National Science and Technology Support Program and the doctoral research Fund project of higher Education institutions of the Ministry of Education, etc. As the first author or corresponding author, he has published more than 30 papers in core journals at home and abroad.