1.
Zhengdong Z, Wan Guangcai, Huang Xiaohui, Shao Zhichao. Quantitative Analysis of Influencing Factors of Air Pollution and Evolution Law of Nitrogen Oxide Distribution in Beijing, Tianjin and Hebei. tjg [Internet]. 2018Nov.16 [cited 2026Aug.16];7(11). Available from: https://journals.eduindex.org/index.php/tjg/article/view/8223