Variation characteristics of the air anion and air particulate matter in arid and semi-arid urban park green spaces during summer
HOU Xiujuan, YAN Xiaoyun, WANG Bo, LI Xinyuan, BAO Hongguang
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2022, (4): 212 -220 .  DOI: 10.12302/j.issn.1000-2006.202104048