http://reply.papertrans.cn/2/166/16591/16591-11.png
Submitted on: 16 September 2005.
Revised on: 06 January 2006.
Accepted on: 18 January 2006.
___________________Journal of Engineering Research
Submitted on: 02 May 2005.
Revised on: 08 July 2005.
Accepted on: 06 August 2005.
___________________Journal of Engineering Research
http://reply.papertrans.cn/2/166/16591/16591-14.png
http://reply.papertrans.cn/2/166/16591/16591-15.png
http://reply.papertrans.cn/2/166/16591/16591-16.png
http://reply.papertrans.cn/2/166/16591/16591-17.png
Submitted on: 16 March 1998.
Revised on: 26 April 1998.
Accepted on: 03 June 1998.
___________________Journal of Engineering Research
http://reply.papertrans.cn/2/166/16591/16591-19.png
Submitted on: 26 August 2001.
Revised on: 18 December 2001.
Accepted on: 18 January 2002.
___________________Journal of Engineering Research