http://reply.papertrans.cn/1/81/8050/8050-21.png
http://reply.papertrans.cn/1/81/8050/8050-22.png
Submitted on: 25 March 1999.
Revised on: 07 June 1999.
Accepted on: 01 July 1999.
___________________Education for Chemical Engineers
Submitted on: 12 May 2007.
Revised on: 12 July 2007.
Accepted on: 24 July 2007.
___________________Education for Chemical Engineers
http://reply.papertrans.cn/1/81/8050/8050-25.png
Submitted on: 27 June 2005.
Revised on: 07 October 2005.
Accepted on: 13 November 2005.
___________________Education for Chemical Engineers
http://reply.papertrans.cn/1/81/8050/8050-27.png
http://reply.papertrans.cn/1/81/8050/8050-28.png
Submitted on: 03 September 2013.
Revised on: 17 December 2013.
Accepted on: 28 January 2014.
___________________Education for Chemical Engineers
http://reply.papertrans.cn/1/81/8050/8050-30.png