Submitted on: 23 December 2011.
Revised on: 11 February 2012.
Accepted on: 08 March 2012.
___________________HELIOS---TEXAS TECH UNIV PRESS
http://reply.papertrans.cn/2/112/11196/11196-12.png
http://reply.papertrans.cn/2/112/11196/11196-13.png
Submitted on: 15 April 2021.
Revised on: 09 June 2021.
Accepted on: 11 July 2021.
___________________HELIOS---TEXAS TECH UNIV PRESS
http://reply.papertrans.cn/2/112/11196/11196-15.png
http://reply.papertrans.cn/2/112/11196/11196-16.png
Submitted on: 13 August 2013.
Revised on: 29 November 2013.
Accepted on: 21 December 2013.
___________________HELIOS---TEXAS TECH UNIV PRESS
Submitted on: 17 November 2010.
Revised on: 22 December 2010.
Accepted on: 14 January 2011.
___________________HELIOS---TEXAS TECH UNIV PRESS
http://reply.papertrans.cn/2/112/11196/11196-19.png
Submitted on: 20 July 2018.
Revised on: 09 September 2018.
Accepted on: 29 October 2018.
___________________HELIOS---TEXAS TECH UNIV PRESS