environmental geochemistry造句怎么写

2、A case study from Panzhihua city, primary studies about urban environmental geochemistry of trace elements in the soil were carried out.

1、Fractionation mechanism, analytical method and its applications in environmental geochemistry of calcium isotopes are summarized in this paper.

3、The study on the soil environmental geochemistry in Chang-Zhu-Tan area shows that heavy metals in the industrial area were seriously polluted.