Spatio-temporal variation characteristics of air pollution and influencing factors in Hebei province
HE Zhen-fang, GUO Qing-chun, LIU Jia-zhen, ZHANG Ying-ying, LIU Jie, DING Hang
JOURNAL OF NATURAL RESOURCES . 2021, (2): 411 -419 .  DOI: 10.31497/zrzyxb.20210211