| 单词 | acetylene |
| 释义 | acetylene noun[U] uk/əˈset.ə.liːn/us/əˈset̬.ə.liːn/agaswith astrongsmellthatburnswith a veryhot,brightflame, used incuttingandjoiningmetal 乙炔，电石气Chemicals, chemical compounds & gases
Examplesofacetyleneacetylene Under water and acid hydrolysis copper acetylide produces essentiallyacetylene. From theCambridge English Corpus Samples assayed for nitrogenase activity byacetylenereduction indicated that nitrogenase activity occurred in the dark. From theCambridge English Corpus Even the possibility of methanogenic life consumingacetyleneand hydrogen or silane-based life in hydrocarbon lakes has been speculated. From theCambridge English Corpus Localization of nitrogenase activity as assayed byacetylenereduction. From theCambridge English Corpus The gas phase in the syringe was replaced withacetylene(10% v/v) and the syringe was incubated for 25 mins. From theCambridge English Corpus The chemical synthesis begins with the formation ofacetylene, the first building block of benzene, in carbon stars. From theCambridge English Corpus Theacetylenereduction assay for measuring nitrogen fixation in waterlogged soil. From theCambridge English Corpus Overturning may drive suspension and redistribution of solidacetyleneon the lake bottom. From theCambridge English Corpus Studies on the photolysis ofacetyleneand diacetylene have also been reported. From theCambridge English Corpus Theacetylenereduction method for measuring nitrogenase activity. From theCambridge English Corpus Rates of nitrogen fixation were determined using theacetylenereduction method. From theCambridge English Corpus After measuring theacetylenereduction, the soil cores were air-dried in the shade and the dry weights recorded. From theCambridge English Corpus Controls were run with noacetylene. From theCambridge English Corpus Functionalized acetylenes in organic synthesis. From theCambridge English Corpus Alternatively,acetylenemay yield amino acids directly via a conversion of an alkyne to the corresponding aldehyde, 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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