1. National Engineering Laboratory for Clean Technology of Leather Manufacture; Sichuan University; Chengdu P. R. China
2. Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research; Chinese Academy of Sciences; Yantai P. R. China
3. State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University; Chengdu P. R. China