Liu Xiaoyan, female, PhD, professor and doctoral supervisor at Daqing Petroleum Institute. He graduated from Jilin Normal University with an undergraduate degree in Chemistry and received a Bachelor of Science degree; graduated from Daqing Petroleum Institute with a postgraduate degree in Geochemistry and received a Master of Engineering degree; graduated from Harbin Institute of Technology with a PhD in Environmental Engineering and received a Doctorate of Engineering degree. He was promoted to associate professor in 1995, professor in 2000, and was hired as doctoral supervisor in 2005. Currently, he is the director of the Geochemistry Department and Party branch secretary of Daqing Petroleum Institute, leader of the environmental geology and environmental geochemistry disciplines, member of the Daqing Expert Committee, Heilongjiang Provincial High-tech Project Evaluation Expert, Heilongjiang Provincial Safety Production Expert Group Member, and China Doctoral Program Fund Peer review expert, online communication review expert for Chinese scientific papers, and reviewer for magazines such as "Journal of Soil Science" and "Journal of Daqing Petroleum Institute". He has hosted and participated in more than 30 scientific research projects, including 1 National Natural Science Foundation project, 17 national-level research projects and provincial and ministerial-level research projects, and more than 20 bureau-level and other-level scientific research projects. The research content mainly involves the fields of oil and gas geology and geochemistry, environmental science and environmental engineering. In recent years, research work has been carried out in the prevention and control of organic pollution and environmental protection, mainly conducting research on the migration and prevention of soil organic pollutants, wetland ecological environment assessment and pollution control research, regional groundwater characteristics research, oil field ecological environment restoration, cleaner production audit, etc. research work. The main scientific research awards include: 1 first prize of China University Science and Technology Progress Award from the Ministry of Education, 3 third prizes of provincial and ministerial level science and technology progress awards, 5 first prizes and 3 second prizes of Provincial Department of Education Science and Technology Progress Awards, Provincial Environmental Protection Science and Technology 1 second prize. He has published more than 50 research papers at home and abroad.