contamination hazard

The contamination and hazard of lubricating oil in engine running-in time was analyzed.

分析了发动机生产线磨合油的污染及危害；

This article summarizes the physiological and biochemical characteristics, distribution, sources of contamination, hazard and the detections methods of listeria monocytogenes.

本文综述了单核细胞增生李斯特菌的生理生化特征、分布、污染途径、危害与流行病学概况和检测方法。

Q2.Is it likely that contamination with the identified hazard could occur in excess of the acceptable level or could increase to an unacceptable level?

对于已识别的危害的污染情况是否极有可能发生超过可接受水平，或增加到不可接受水平？

The contamination of microorganism hazard seriously quality of chilled meat.

微生物污染是冷却肉产品质量的重要危害.

According to their characteristics, the contamination source, hazard and prevention method of the contaminations are analyzed in the article.

本文按此分类对图书馆内主要污染物的来源、危害和防治进行分析。

Another hazard to drinking water is contamination of wells by salt water from the tsunamis.

由于海啸使咸海水进入到当地居民食用的水井里,于是这些井被污染.