The project succeeded in screening 346 sites with potential chemical contamination risks and identifying 58 priority pollution sources for follow-up mitigation actions.

通过对346个具有潜在化学污染风险的点进行筛查，这一全球环境基金项目识别出58个重点污染源作为采取后续措施的重点。

In library, the contaminations can be divided into four parts: i. e. chemical contamination, physical contamination, biological contamination and radioactive contamination.

前言： 图书馆内污染物按性质分为化学性污染物、物理性污染物、 生物性污染物和放射性污染物。

Product in registered establishments is sometimes exposed to chemical contamination as a result of an accident in the plant, such as a fire, ammonia leak, or burst hydraulic line.

有时工厂中的事故如火灾、氨水泄漏或爆裂的水管会导致注册场所中的产品接触到化学污染物。

Air pollution will be our first priority due to the huge health impacts that it causes, as well as its close links with other risks, such as climate change and chemical contamination.

空气污染会成为我们的第一要务，因其与气候变化和化学污染等其他风险紧紧相连，带来了严重健康影响。

This paper briefly introduces chemical filters in air-conditioning, including the knowledge of chemical filtration, indices of chemical contamination, inspecting methods and typeable chemical filters.

本文介绍应用于系统的化学过滤器，包括化学过滤一般知识，控制室内环境化学污染的相关指标，现场检测方法和典型过滤器产品。