Dr. Richard Cheung and Prof. Zheng Jinshu from HongKong City university will visit our lab and give lectures as following in May 11 afternoon (LingFeng 201). 
Dr. Richard Cheung DISTRIBUTION OF PERSISTENT TOXIC SUBSTANCES IN THE COASTAL MARINE ENVIRONMENT OF THE PEARL RIVER DELTA (GUANGDONG PROVINCE, CHINA): BIOMONITORING USING OYSTERS AND MUSSELS Prof. Zheng Jinshu COMPREHENSIVE STUDY ON NORMAL POPs IN COASTAL WATERS OF HONG KONG.