Submitted on: 04 January 2007.
Revised on: 27 March 2007.
Accepted on: 08 May 2007.
___________________International Journal of Coal Science & Technology
http://reply.papertrans.cn/2/132/13166/13166-12.png
http://reply.papertrans.cn/2/132/13166/13166-13.png
http://reply.papertrans.cn/2/132/13166/13166-14.png
http://reply.papertrans.cn/2/132/13166/13166-15.png
http://reply.papertrans.cn/2/132/13166/13166-16.png
http://reply.papertrans.cn/2/132/13166/13166-17.png
Submitted on: 28 January 2009.
Revised on: 02 March 2009.
Accepted on: 30 April 2009.
___________________International Journal of Coal Science & Technology
Submitted on: 07 January 2015.
Revised on: 26 March 2015.
Accepted on: 21 May 2015.
___________________International Journal of Coal Science & Technology
http://reply.papertrans.cn/2/132/13166/13166-20.png