http://reply.papertrans.cn/1/6/590/590-31.png
http://reply.papertrans.cn/1/6/590/590-32.png
http://reply.papertrans.cn/1/6/590/590-33.png
Submitted on: 24 March 2009.
Revised on: 25 April 2009.
Accepted on: 11 May 2009.
___________________ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY
http://reply.papertrans.cn/1/6/590/590-35.png
http://reply.papertrans.cn/1/6/590/590-36.png