This paper has given an analysis on where arsenic comes from, present pollution situation, and description of arsenic and its compounds' harmful effect on environment and life things.
2
本文就砷、汞两种重金属对食品的污染及其来源，对人体的危害及检测方法进行介绍和了解。
This paper arsenic and mercury two heavy metal pollution and its source of food, for the harm to human body and detection method is introduced and understanding.
3
通过对某化工厂硫酸车间的监测，探究砷的污染来源、砷的平衡以及含砷废水的治理方法。
Through monitoring to a sulphuric acid workshop of chemical plant, we probe into the pollution sour of the Arsenic, the balance of the Arsenic and administration method including Arsenic waste water.
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