Submitted on: 03 March 2001.
Revised on: 18 June 2001.
Accepted on: 08 July 2001.
___________________Ceramics-Switzerland---MDPI
Submitted on: 28 November 2011.
Revised on: 18 March 2012.
Accepted on: 03 April 2012.
___________________Ceramics-Switzerland---MDPI
Submitted on: 16 June 2020.
Revised on: 16 July 2020.
Accepted on: 07 August 2020.
___________________Ceramics-Switzerland---MDPI
Submitted on: 13 July 2003.
Revised on: 08 October 2003.
Accepted on: 04 December 2003.
___________________Ceramics-Switzerland---MDPI
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Submitted on: 25 September 2013.
Revised on: 06 January 2014.
Accepted on: 27 January 2014.
___________________Ceramics-Switzerland---MDPI
http://reply.papertrans.cn/1/51/5023/5023-27.png
http://reply.papertrans.cn/1/51/5023/5023-28.png
http://reply.papertrans.cn/1/51/5023/5023-29.png
Submitted on: 15 December 2015.
Revised on: 09 March 2016.
Accepted on: 06 April 2016.
___________________Ceramics-Switzerland---MDPI