Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2016CM01)
Key R&D Program of Shandong Province (2018YYSP022 and 2017YYSP029)
Spring Industry Leader Talent Support Plan (2017035)
Key Products Upgrading Plan for Gold Seed Enterprises (201711175)
Article History
Received: 4 November 2018
Accepted: 25 January 2019
First Online: 15 April 2019