| 单词 | contaminant |
| 释义 | contaminant noun[C] chemistryspecializeduk/kənˈtæm.ɪ.nənt/us/kənˈtæm.ə.nənt/asubstancethat makes something lesspureor makes itpoisonous: 致污物，污染物Makesurethat allequipmentiscleanandfreeof contaminants.要确保所有设备是干净、未受污染的。 Dirt & untidiness
contaminant| American Dictionarycontaminant noun[C] us/kənˈtæm·ə·nənt/asubstancethatpollutes,spoils, orpoisonssomething: Highlevelsof contaminants have beenfoundin the groundwater,causingconcernsaboutpossiblehealthriskstonearbyneighborhoods. Examplesofcontaminantcontaminant There is a need to understand the fate and behaviour of hydrocarbon contaminants in these extreme systems. From theCambridge English Corpus When two particles such as those depicted in figure 2 come together they juxtaposecontaminantparcels with a concentration difference 2s ma. From theCambridge English Corpus In some cases the contaminants appeared upon the sixth or seventh subculture. From theCambridge English Corpus Any bacteria are probably recent contaminants rather than those involved in the decay process. From theCambridge English Corpus The sealed glass tubes are filled with a solid carrier material containing reagents that discolour on contact with specific contaminants. From theCambridge English Corpus Modern contaminants are non-reflective, regardless of their transparency and colour, because they have not undergone carbonization. From theCambridge English Corpus The length of the thaw period and the amount of water available will determine the extent ofcontaminanttransport in lowsalinitycontaminantsolutions. From theCambridge English Corpus The other peaks in the spectra are salt adducts and other contaminants that are not representative of the presence of additional oligomers. From theCambridge English Corpus The only contaminants present were red blood cells and, as determined by electron microscopy, some cell debris but no host vacuolar membranes. From theCambridge English Corpus Cellular contaminants coextracted with the glycoprotein may contribute to falsely amplify the antibody titre. From theCambridge English Corpus We tested one greywacke and three igneous compositions as contaminants. From theCambridge English Corpus In the case ofcontaminantremediation, there is essentially the opposite situation: large need and far too little research and development. From theCambridge English Corpus But only in the last decade has the question been asked of what really happens when contaminants are added to this complex system. From theCambridge English Corpus The movement of contaminants through soils is extremely limited unless significant amounts of water are available. From theCambridge English Corpus Without significant amounts of water,contaminantmovement is extremely limited in this dry inland environment. From theCambridge English Corpus 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. CollocationswithcontaminantcontaminantThese are words often used in combination withcontaminant. Click on a collocation to see more examples of it. chemical contaminant The fish advisories inform the public about possible health risks from highchemicalcontaminantlevels. 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 naturalenvironmentalcontaminantand both feeding stuffs and water for livestock contain fluorides. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen 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. |
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