http://reply.papertrans.cn/1/7/620/620-31.png
http://reply.papertrans.cn/1/7/620/620-32.png
Submitted on: 18 July 2018.
Revised on: 17 October 2018.
Accepted on: 17 November 2018.
___________________Advanced Fiber Materials---SPRINGERNATURE
http://reply.papertrans.cn/1/7/620/620-34.png
Submitted on: 10 May 2003.
Revised on: 21 June 2003.
Accepted on: 02 July 2003.
___________________Advanced Fiber Materials---SPRINGERNATURE
Submitted on: 04 February 2001.
Revised on: 27 February 2001.
Accepted on: 27 March 2001.
___________________Advanced Fiber Materials---SPRINGERNATURE