Submitted on: 27 August 2009.
Revised on: 24 September 2009.
Accepted on: 22 November 2009.
___________________Condensed Matter---MDPI
Submitted on: 20 January 2003.
Revised on: 15 March 2003.
Accepted on: 22 April 2003.
___________________Condensed Matter---MDPI
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Submitted on: 31 May 2000.
Revised on: 15 August 2000.
Accepted on: 05 October 2000.
___________________Condensed Matter---MDPI
Submitted on: 06 April 2013.
Revised on: 13 June 2013.
Accepted on: 24 July 2013.
___________________Condensed Matter---MDPI
http://reply.papertrans.cn/1/64/6343/6343-16.png
http://reply.papertrans.cn/1/64/6343/6343-17.png
http://reply.papertrans.cn/1/64/6343/6343-18.png
http://reply.papertrans.cn/1/64/6343/6343-19.png
Submitted on: 20 December 2019.
Revised on: 07 February 2020.
Accepted on: 15 March 2020.
___________________Condensed Matter---MDPI