Submitted on: 26 January 2011.
Revised on: 18 May 2011.
Accepted on: 17 July 2011.
___________________Journal of Pipeline Systems Engineering and Practice
Submitted on: 26 September 2009.
Revised on: 10 December 2009.
Accepted on: 27 December 2009.
___________________Journal of Pipeline Systems Engineering and Practice
Submitted on: 13 February 2009.
Revised on: 22 May 2009.
Accepted on: 21 June 2009.
___________________Journal of Pipeline Systems Engineering and Practice
Submitted on: 27 May 2021.
Revised on: 18 July 2021.
Accepted on: 28 July 2021.
___________________Journal of Pipeline Systems Engineering and Practice
http://reply.papertrans.cn/2/188/18788/18788-25.png
http://reply.papertrans.cn/2/188/18788/18788-26.png
http://reply.papertrans.cn/2/188/18788/18788-27.png
http://reply.papertrans.cn/2/188/18788/18788-28.png
Submitted on: 30 March 2002.
Revised on: 05 July 2002.
Accepted on: 31 August 2002.
___________________Journal of Pipeline Systems Engineering and Practice
Submitted on: 08 November 1998.
Revised on: 12 January 1999.
Accepted on: 28 January 1999.
___________________Journal of Pipeline Systems Engineering and Practice