The parameters will help producers control and prevent contamination of ready-to-eat foods with this bacterium that can result in listeriosis, a potentially fatal disease.

这些参数将有助于生产商控制和防止即食食品被这种细菌污染，从而导致李斯特菌病这种可能致命的疾病。

youdao

The researchers said the Wells they analyzed had been hydraulically fractured, but that more study of that process was needed to understand whether fracturing might be causing the contamination.

研究人员说，他们分析的钻井是已经采用水力压裂法完成的，但是，岩层破裂是否可能正在导致污染，这个问题还要更多的过程研究才可以理解。

youdao

Nishiyama said the increase was a concern, but also said the area is not a source of seafood and that the contamination posed no immediate threat to human health.

Nishiyama表示辐射量的增加确实令人担忧，但他同时表示这一海域不是海产供应地，所以这里的水污染对人类健康没有即时威胁。

youdao

Some scientists have proposed adding chemical tracers to fracking fluids as a way of confirming that any contamination of drinking water comes from the drilling process.

BBC: Fracking: Untangling fact from fiction

"We should not be sitting here in front of you today, any of us, " he said, adding that stories of food contamination are not new.

CNN: Peanut company officials spurn Congress' questions

Physicians have to formulate doses of the drug in a way that increases the risk of contamination.

FORBES: Blinded By Savings? Is Cost Trumping Risk On Blindness Drug?