英语语法分析

The pollutant removal effect of ferric coagulant was researched by stirring jar test to remove trace phenol and heavy metal ions of Pb and Cd in Sungari River.

本文以松花江水为本底，以微量苯酚和重金属离子铅与镉为研究对象，通过烧杯搅拌试验，初步考察了高铁酸盐的除污染效能。