The pollution of the particlematter in the indoor air of shopping centre is serious.
结论大中型商场内存在颗粒物的污染来源,商场内空气中颗粒物污染严重。
2
The particle concentration is always higher in China, especially the concentration of particlematter 10(PM10).
我国大气中的粒子浓度普遍较高,特别是可吸入颗粒物PM10。
3
The study was carried to investigate the relation between total particlematter (TPM) in leaf of flue-cured tobacco from different regions of China and chemical components of tobacco leaf.