Henan Province, the power company power company Pingdingshan , Pingdingshan 467001，Henan，China
Henan Province, the power company power company Pingdingshan , Pingdingshan 467001，Henan，China
Henan Province, the power company power company Pingdingshan , Pingdingshan 467001，Henan，China
Copyright © Chun-hong Jing, Shuo-yan Jing, Fei Zhai et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.