| 单词 | alkyl | |
| 释义 | alkyl noun[C] chemistryspecializeduk/ˈæl.kɪl/us/ˈæl.kɪl/agroupofatomsthat consist of analkanethat has had onehydrogenatomremoved; often used before anothernounin thenameofchemicalsubstances: 烷基，烃基an alkyliodide一种碘代烷 an alkylammoniumsalt一种烷基季铵盐 Chemistry: types of chemical
Examplesofalkylalkyl Such species can generate secondary products such asalkylhydroperoxides and lipid peroxides. From theCambridge English Corpus The active ingredient of these products is amyl nitrite, one of a group of chemicals known as thealkylnitrites. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The second category was that of compounds derived from phenethylamine byalkylor other substitution in the aromatic ring. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The research octane numbers in this specification have remained unchanged with the reduction of the leadalkylcontent. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Use ofalkylnitrites is likely to be rare in these populations. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 There is no clear evidence that use ofalkylnitrites causes cancer in humans. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Covalent lead compounds such as tetraalkyllead compounds which are used as petrol additives are excluded from its scope. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 More specific tests include analysis foralkylcyclobutanones and electron spin resonance analysis. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 First, compounds derived from tryptamine, or from ring-hydroxy tryptamines which have been substituted at the nitrogen atom of the side chain by analkylgroup or groups. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The report from our current research on the effects of sewage effluent on fish, will include some data on levels ofalkylphenol ethoxylates in rivers. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 This enzyme belongs to the family of transferases, specifically those transferring aryl oralkylgroups other than methyl groups. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.Reaction vessels are typically charged with the two monomers, a free radical generator, and a chain transfer agent such as analkylmercaptan. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Solubility in water can be estimated from the number of hydrogen bond donors vs.alkylsidechains in the molecule. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.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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