In the morning of April 5, 2022, Mr. Rengyu Yue successfully passed his PhD proposal exam. The title of his exam report is “Stimuli-responsive Surface Washing Fluids for Oiled Shoreline Cleanup”. His profound knowledge and excellent presentation helped him win a good evaluation from the external examiner, Dr. Sana Jahanshahi Anbuhi, and other examining committee members (Drs. Zhi Chen, Catherine Mulligan, Zhibin Ye, and Chunjiang An).