The content of dust absorption, heavy metal and s of vegetation has reducedas the increase of the distance from the expressway.
植物叶片的滞尘量、重金属含量以及s含量随着离公路距离的增加而减少。
2
In DMSO-H2O mixture, using TPP and metal TPP's as sensitizers, EDTA as electron donor, methyl viologen was reduced to the blue methyl viologen cation radical upon irradiation with white light.