Zhang Liang, a PhD student in the class of 2020, mainly researches the integration of detection and removal of heavy metal contaminants in food and the killing and control of food-borne pathogens. As the first author, he has published 3 papers in international journals, As the first author, he has published 3 papers in international journals, and has won many awards and honorary titles such as national scholarships and school-level "three good students".