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Authors
Guo, Hua https://orcid.org/0000-0002-3378-2323
Jing, Guangrui
Dong, Mian
Zhang, Lijian
Zhang, Xiaodan
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Funding
Funding for this research was provided by:
Natural Science Foundation of Shaanxi Provincial Department of Education (17JK0319)
Doctoral Scientific Research Foundation of Xi’an Polytechnic University (107020277)
Shaanxi Provincial Science and Technology Department (2018JQ4016)
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Article History
Received: 22 March 2019
Accepted: 10 October 2019
First Online: 21 November 2019
Competing interests
: The authors declare that they have no competing interests.
