| 单词 | acetone |
| 释义 | acetone noun[U] uk/ˈæs.ə.təʊn/us/ˈæs.ə.t̬oʊn/a strong-smelling,clearliquidthat is used in theproductionofvariouschemicalsand is sometimesaddedtopaintto make it moreliquid 丙酮Chemicals, chemical compounds & gases
Examplesofacetoneacetone The ethanol is placed in the indoor lower corridor and theacetonein the upper corridor. From theCambridge English Corpus Only two odour filters are used,acetoneand ethanol. From theCambridge English Corpus They were washed in several changes of deionized water and dehydrated in an ascending series ofacetoneconcentrations. From theCambridge English Corpus For these calves, production rates ofacetoneand butanone were similar to those from an ox (fig. 4). From theCambridge English Corpus For each replicate, a filter paper was impregnated with 1 ml of insecticide dissolved inacetone. From theCambridge English Corpus Other freshly-fixed specimens and some of the cryo-specimens were dehydrated inacetoneand soaked in amyl acetate. From theCambridge English Corpus The plants were separated into their parts and macerated with different solvents (n-hexane,acetone, ethanol and methanol). From theCambridge English Corpus Comparisons of freeze substitution usingacetone, ethanol or methanol, showed similar morphological appearance. From theCambridge English Corpus After the acid leaching, the samples were washed twice with standardacetone, centrifuged and dried. From theCambridge English Corpus The slides were then dried overnight, dehydrated in a series of alcohols andacetone, and rinsed in xylene before being coverslipped. From theCambridge English Corpus Due to the small amount of material available, only 15 aliquots of the sample could be prepared by settling inacetoneon aluminum discs. From theCambridge English Corpus Theacetonefrom the crude extracts was removed by evaporation under a stream of nitrogen and dry residues were dissolved in 100% (v/v) acetonitrile. From theCambridge English Corpus Monolayers were fixed with 75 %acetoneafter 1-2 days of incubation. From theCambridge English Corpus Control papers were treated with 0.15 mlacetone. From theCambridge English Corpus A control experiment showed that the residualacetonehad no effect on grain germination. 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. |
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