| 单词 | aldehyde |
| 释义 | aldehyde noun[C] uk/ˈæl.dəˌhaɪd/us/ˈæl.dəˌhaɪd/achemicalsubstancethat is made fromalcohol 醛；乙醛Chemicals, chemical compounds & gases
aldehyde| American Dictionaryaldehyde noun[C] us/ˈæl·dəˌhɑɪd/chemistry achemicalsubstancethat is made fromalcohol Examplesofaldehydealdehyde Diminished alcohol preference in transgenic mice lackingaldehydedehydrogenase activity. From theCambridge English Corpus Butanal amounts and total aldehydes evolved, on the other hand, showed a high negative correlation with peroxide amounts. From theCambridge English Corpus The three most active compounds were 6-carbon aldehydes and alcohols, components of general green leaf volatiles. From theCambridge English Corpus In other words, it was not possible to conclude thataldehydehad a higher affinity for oxygen. From theCambridge English Corpus The slide was immersed in analdehyde-dichromate mixture, and then in 1% silver nitrate, for a few days each. From theCambridge English Corpus Rat brains were thenaldehyde-fixed and processed using standard methods. From theCambridge English Corpus The remaining hydrocarbons, terpenoids and aldehydes were found in both categories of seeds in similar quantities. From theCambridge English Corpus Consequently, the presence of aldehydes and ketones found in meteorites cannot be considered as proof that they are precursors of amino acids. From theCambridge English Corpus The latter compounds are typical by-products of bacterial metabolism and include aldehydes, esters, ketones and short-chain alcohols. From theCambridge English Corpus Of the 13 compounds that were identified, six were aldehydes. From theCambridge English Corpus It is possible these monocarboxylic acids and aldehydes present in liquid smoke work together to break dormancy. From theCambridge English Corpus They catalyse the oxidative deamination of primary amines by dioxygen to form aldehydes, ammonia, and hydrogen peroxide. From theCambridge English Corpus These studies used classical descriptive electron microscopy afteraldehyde-osmium fixation, excluding the application of most of the fine-structural cyto- and immunocytochemical assays. From theCambridge English Corpus These compounds probably arise from a reaction with 4-hydroxy-2-nonenal, the mainaldehydecompound released during lipid peroxidation, or after occupational exposure to vinyl chloride. From theCambridge English Corpus Alternatively, acetylene may yield amino acids directly via a conversion of an alkyne to the correspondingaldehyde, which then forms an alpha amino nitrile and eventually an amino acid. 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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