Submitted on: 16 July 2012.
Revised on: 14 August 2012.
Accepted on: 31 August 2012.
WATER AND ENVIRONMENT JOURNAL
Submitted on: 28 August 2003.
Revised on: 08 September 2003.
Accepted on: 27 September 2003.
WATER AND ENVIRONMENT JOURNAL---WILEY
http://reply.papertrans.cn/4/306/30548/30548-13.png
http://reply.papertrans.cn/4/306/30548/30548-14.png
http://reply.papertrans.cn/4/306/30548/30548-15.png
http://reply.papertrans.cn/4/306/30548/30548-16.png
http://reply.papertrans.cn/4/306/30548/30548-17.png
Submitted on: 16 November 2003.
Revised on: 24 November 2003.
Accepted on: 10 December 2003.
WATER AND ENVIRONMENT JOURNAL---WILEY
http://reply.papertrans.cn/4/306/30548/30548-19.png
http://reply.papertrans.cn/4/306/30548/30548-20.png