Figure 1
From: Physicochemical properties and toxic elements in bus stop dusts from Qingyang, NW China
Sampling sites and study area in Qingyang, China (the background map was made using surfer 11.0).
Figure 1 | Scientific Reports
From: Physicochemical properties and toxic elements in bus stop dusts from Qingyang, NW China
Sampling sites and study area in Qingyang, China (the background map was made using surfer 11.0).
