| 词汇 | contaminant |
| 释义 | contaminant noun[ C ] chemistry specializeduk /kənˈtæm.ɪ.nənt/ us /kənˈtæm.ə.nənt/ a substance that makes something less pure or makes it poisonous: 致污物，污染物 Make sure that all equipment is clean and free of contaminants.要确保所有设备是干净、未受污染的。 Dirt & untidiness bloodstain clutter contamination crud daub grime grunge gunge gunk guttersnipe muck pollutant polluter scrappiness scruff shambles slime slob slovenliness smear contaminant | American Dictionarycontaminant noun[ C ] us/kənˈtæm·ə·nənt/ a substance that pollutes, spoils, or poisons something: High levels of contaminants have been found in the groundwater, causing concerns about possible health risks to nearby neighborhoods. Examples of contaminantcontaminant There is a need to understand the fate and behaviour of hydrocarbon contaminants in these extreme systems. When two particles such as those depicted in figure 2 come together they juxtapose contaminant parcels with a concentration difference 2s ma. In some cases the contaminants appeared upon the sixth or seventh subculture. Any bacteria are probably recent contaminants rather than those involved in the decay process. The sealed glass tubes are filled with a solid carrier material containing reagents that discolour on contact with specific contaminants. Modern contaminants are non-reflective, regardless of their transparency and colour, because they have not undergone carbonization. The length of the thaw period and the amount of water available will determine the extent of contaminant transport in lowsalinity contaminant solutions. The other peaks in the spectra are salt adducts and other contaminants that are not representative of the presence of additional oligomers. The only contaminants present were red blood cells and, as determined by electron microscopy, some cell debris but no host vacuolar membranes. Cellular contaminants coextracted with the glycoprotein may contribute to falsely amplify the antibody titre. We tested one greywacke and three igneous compositions as contaminants. In the case of contaminant remediation, there is essentially the opposite situation: large need and far too little research and development. But only in the last decade has the question been asked of what really happens when contaminants are added to this complex system. The movement of contaminants through soils is extremely limited unless significant amounts of water are available. Without significant amounts of water, contaminant movement is extremely limited in this dry inland environment. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Collocations withcontaminantcontaminantThese are words often used in combination with contaminant. Click on a collocation to see more examples of it. chemical contaminant The fish advisories inform the public about possible health risks from high chemicalcontaminant levels. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. common contaminant It is a common contaminant in blood and cerebrospinal fluid cultures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. environmental contaminant Fluorine is a natural environmentalcontaminant and both feeding stuffs and water for livestock contain fluorides. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. See all collocations with contaminant |
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