Liqi Cui, Ruifeng Niu and Weitian Wang*
Physics Department, Yantai University, China
This article is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
2022; 23(1): 57-61
Published on Feb 28, 2022
Physics Department, Yantai University, China
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