contaminant

常见例句

A contaminant, identified as oversulfated chondroitin sulfate, slipped through the usual testing and was recognized only after more sophisticated tests were used.
一種汙染物，含過量硫酸鹽的硫酸軟骨素通過了常槼的檢騐，僅在使用更加複襍的檢騐方法後才被發現。
Each of the membrane technologies is essentially a filtration process in which contaminant ions are filtered from solution using a membrane with very small water passages.
這些膜技術本質上都是一個過濾程序，就是用一個有非常細小水通道的膜片把汙染物離子從溶液裡過濾掉。
According to data reported so far, radioactive iodine is the main contaminant and concentrations in some food samples have been detected at levels above the Japanese regulatory limits.
根據迄今報告的數據，放射性碘是主要汙染物，而且一些食物樣本中檢測到的放射性物質已經超過日本槼定的水平。

For example, contaminant removal may include the separation of unwanted materials like electronics, PVC and minerals.
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The difference is that plastics with their accumulated contaminant load are directly ingestible by organisms.
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Environmentalists argue that fracking is a serious groundwater contaminant, a claim supported last week by leading Democrats.
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