Funding for this research was provided by:
National Natural Science Foundation of China (61403109, 61202458)
Specialized Research Fund for the Doctoral Program of Higher Education of China (20112303120007)
Heilongjiang Natural Science Foundation (F2017021)
Scientific Research Fund of Heilongjiang Provincial Education Department (12541169)
Specialized Research Fund for Scientific and Technological Innovation Talents of Harbin (2016RAQXJ036)
Article History
Received: 29 November 2018
Accepted: 5 June 2019
First Online: 3 July 2019