Funding for this research was provided by:
he financial support provided by Urumchi Construction Project of Science and Technology (H151312001)
National Natural Science Foundation of China (41302223)
Chongqing Research Program of Basic Research and Frontier Technology (cstc2016jcyjA0074, cstc2016jcyjA0933)
Chongqing No.3 Colleges and Universities Youth Backbone Teachers Funding Plans
Science and Technology Plan Projects of Chongqing Administration of Land, Resources and Housing (KJ-2015047)
Article History
Received: 12 August 2017
Accepted: 26 January 2018
First Online: 6 February 2018