particulate lead的意思|示意

Based on large amount of data, this paper studies on the lead pollution level in particulate in the 4 cities of China.

在大量实验数据的基础上，研究了中国四城市空气颗粒物中铅的污染水平。

The distribution of heavy metals in different size fractions of particulate organic matter(POM) in polluted soils around a zinc-lead mine in Shaoxing, Zhejing Province was investigated.

本文主要研究了取自浙江省绍兴市某铅锌矿污染矿区的污染土壤中铅、锌、铜、镉在不同粒级的颗粒态有机物（POM）的分布。