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 contaminant [kən'tæminənt]   添加此单词到默认生词本
n. 污染物, 沾染物

[计] 污染物

[医] 污染物


  1. Product must be destroyed if the metal contaminant cannot be found.
    如果金属污染物无法发现,产品必须进行销毁.
  2. With that relation, oil's ISO4406 contamination level can be estimated if the contaminant weight is known.
    据此,可以用重量法所测结果推算油液的ISO4406污染度等级。
  3. This paper puts forward the detection principle of computer vision based shape characteristic of solid contaminant.
    传统的油液固体颗粒污染检测装置不能全面反映污染物特性，无法满足对系统进行在线监测、统故障早期预报以及故障分析的要求。


contaminant
[ noun ]
a substance that contaminates
<noun.substance>


  1. Scientists at the CDC and the Food and Drug Administration quickly began trying to determine if the illnesses were being caused by L-tryptophan itself, or by some contaminant that got into batches of the product.
  2. The contaminant argument resurfaced.
  3. Fourteen workers at the troubled Savannah River nuclear weapons plant were exposed to tiny amounts of plutonium outside buildings, and five went home with the potentially deadly contaminant on their shoes, officials said.
  4. Moreover, the company says that if the regulators accept that a minute, unseen contaminant can cause such a devastating effect, it means that perhaps dozens of other commonly used medicines may also pose a health risk.
  5. But researchers still don't know what sort of contaminant might be responsible or how it got there.
  6. In order to understand these powerful forces, we should think of quarantine as a legal demarcation between two groups intended to prevent the penetration of a biological contaminant into the unaffected group.
  7. But Thomas and other EPA officials said regulating contaminant levels was too complicated.
  8. "Arguing against the contamination theory is that in spite of the fact that people have been searching (for the contaminant), it hasn't been identified," said one of the researchers, Dr. Paul Katz, chief rheumatologist at Georgetown.
  9. "I'm not aware of any major adverse reaction ever attributed to such a low-level contaminant," says Robert Temple, head of the FDA's bureau of new drug evaluation.
  10. Aflatoxin is a fungus-produced contaminant, known to cause cancer in certain laboratory animals.
  11. They also have been unable to pinpoint a specific chemical or microbial contaminant that could be responsible, the FDA said.
  12. The main suspect in Agent Orange is the contaminant dioxin, a byproduct of industrial processes known to be an extremely potent carcinogen in laboratory animals.
  13. Radon gas evaporating out of drinking water could be "as large a contaminant as anything we're dealing with," the head of drinking water programs at the Environmental Protection Agency said Wednesday.
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