Submitted on: 06 July 2000.
Revised on: 18 September 2000.
Accepted on: 08 October 2000.
___________________Acta Polytechnica---CZECH TECHNICAL UNIV PRAGUE
http://reply.papertrans.cn/1/5/457/457-22.png
http://reply.papertrans.cn/1/5/457/457-23.png
http://reply.papertrans.cn/1/5/457/457-24.png
http://reply.papertrans.cn/1/5/457/457-25.png
Submitted on: 18 May 2020.
Revised on: 15 August 2020.
Accepted on: 08 September 2020.
___________________Acta Polytechnica---CZECH TECHNICAL UNIV PRAGUE
http://reply.papertrans.cn/1/5/457/457-27.png
Submitted on: 01 February 2020.
Revised on: 10 May 2020.
Accepted on: 05 July 2020.
___________________Acta Polytechnica---CZECH TECHNICAL UNIV PRAGUE
http://reply.papertrans.cn/1/5/457/457-29.png
Submitted on: 28 July 2015.
Revised on: 27 October 2015.
Accepted on: 05 December 2015.
___________________Acta Polytechnica---CZECH TECHNICAL UNIV PRAGUE