environmental chemical effect的意思|示意

The environment risk assessment was one of important contents of the chemical industry items of basic construction environmental effect appraisal.

环境风险评价是化工建设项目环境影响评价的一项重要内容。

This article makes an analysis on the physical and chemical nature of dioxins, its analysis method, toxin, origin of pollution and its environmental effect on human body.

本文对二恶英的理化性质、分析方法、毒性、来源、污染的产生及其环境效应对人体健康的影响进行了评述。

Conclusion: It was the key that the work had been achieved obvious effect to take the measure of combination of environmental control, chemical control and physical of flies.

结论：环境治理、化学防制与物理防制相结合是本次灭蝇工作取得显著成效的关键。