http://reply.papertrans.cn/1/84/8305/8305-31.png
Submitted on: 28 December 1998.
Revised on: 07 April 1999.
Accepted on: 22 April 1999.
___________________Emission Control Science and Technology
http://reply.papertrans.cn/1/84/8305/8305-33.png
http://reply.papertrans.cn/1/84/8305/8305-34.png
http://reply.papertrans.cn/1/84/8305/8305-35.png
Submitted on: 10 June 2005.
Revised on: 02 October 2005.
Accepted on: 28 November 2005.
___________________Emission Control Science and Technology