http://reply.papertrans.cn/1/84/8389/8389-31.png
Submitted on: 04 March 2002.
Revised on: 24 May 2002.
Accepted on: 06 July 2002.
___________________Energy Ecology and Environment
http://reply.papertrans.cn/1/84/8389/8389-33.png
http://reply.papertrans.cn/1/84/8389/8389-34.png
Submitted on: 20 May 2024.
Revised on: 27 July 2024.
Accepted on: 18 August 2024.
___________________Energy Ecology and Environment
http://reply.papertrans.cn/1/84/8389/8389-36.png