搜索结果: 1-3 共查到“环境科学技术 Urban air”相关记录3条 . 查询时间(0.031 秒)
Oak trees in Southern U.S. cities are natural urban air filters（图）
Oak trees Southern cities U.S. natural urban air filters
2019/10/18
Researchers at the University of North Texas have found that two oak tree species, post oak and live oak, that are widespread across the U.S. South remove black carbon from the urban atmosphere. The f...
Spatial and Temporal Variation of Urban Air Quality: A GIS Approach
Ambient Air Quality Seasonal Variation Air Quality Index (AQI) Geographic Information System (GIS)
2013/3/13
This study investigated the seasonal variation of ambient air quality status of Burdwan town using GIS approach. Concentration of SOR2R (sulphur dioxide), NOR2R (nitrogen dioxide) and RSPM (respirator...
Characterization and Source Identification of PM10-bound Polycyclic Aromatic Hydrocarbons in Urban Air of Tianjin, China
PAHs PM10 Diagnostic ratios PCA Sources
2016/3/29
PM10 samples were collected at six sampling sites in city center of Tianjin from April 2008 to January 2009. The
concentrations of 17 selected polycyclic aromatic hydrocarbons (PAHs) in PM10 were qua...