1. School of Architecture and Civil Engineering; Chengdu University; Chengdu P. R. China
2. School of Environmental and Municipal Engineering; Xi'an University of Architecture and Technology; Xi'an P. R. China
3. International Science & Technology Cooperation Center for Urban Alternative Water Resources Development; Xi'an P. R. China
4. Prof. S. Xia School of Environmental Science and Engineering; Tongji University; Shanghai P. R. China
5. Department of Civil and Environmental Engineering; Tohoku University; Sendai Japan