Submitted on: 28 February 2016.
Revised on: 24 March 2016.
Accepted on: 04 April 2016.
Progress in Superconductivity and Cryogenics
Submitted on: 22 December 2012.
Revised on: 06 January 2013.
Accepted on: 18 January 2013.
Progress in Superconductivity and Cryogenics
http://reply.papertrans.cn/3/255/25470/25470-33.png
http://reply.papertrans.cn/3/255/25470/25470-34.png
http://reply.papertrans.cn/3/255/25470/25470-35.png
Submitted on: 03 March 1999.
Revised on: 06 April 1999.
Accepted on: 02 May 1999.
Progress in Superconductivity and Cryogenics