1. Environment Research Institute
2. Shandong University
3. Qingdao 266237
4. P. R. China
5. Chinese Research Institute Environmental Science
6. College of Environment and Safety Engineering
7. Qingdao University of Science & Technology
8. Qingdao 266042
9. Shenzhen Research Institute of Shandong University
10. Department of Applied Mathematics
11. Moscow State University of Technology “Stankin”
12. Moscow 127055
13. Russia
14. State Key Laboratory Environmental Criteria & Risk Assessment
15. Beijing 100012