| 单词 | ketone |
| 释义 | ketone noun[C] uk/ˈkiː.təʊn/us/ˈkiː.toʊn/atypeofchemicalcompoundcontainingcarbon,producedin thebodywhen itburnsfat 酮Chemistry: types of chemical
ketone| American Dictionaryketone noun[C] us/ˈki·toʊn/chemistry achemicalsubstancethatcontainscarbonandoxygen, used inindustry Examplesofketoneketone Changes in orangutan caloric intake, energy balance, and ketones in response to fluctuating fruit availability. 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 The metabolic screening included blood glucose, lactate, pyruvate andketonebody, total and free camitinc levels. From theCambridge English Corpus Subsequent evolution of oxygenase enzymes in plants resulted in the transformation of p-hydroxycinnamic acid into raspberryketoneand methyl eugenol (figs 2, 3). From theCambridge English Corpus Cuelure is not known to occur in nature and is only found in its analogous form as raspberryketone. From theCambridge English Corpus Inactivation of interleukin-ip converting enzyme by peptide (acyloxy)methyl ketones. From theCambridge English Corpus For the third compound, theketone, either hypothesis is plausible. From theCambridge English Corpus Changes in orang-utan caloric intake, energy balance, and ketones in response to fluctuating fruit availability. From theCambridge English Corpus The second reason why the cytosolic concentration of pyruvate is expected to be lower in infected animals has to do with the synthesis ofketonebodies. From theCambridge English Corpus Increased production ofketonebodies and the need for these compounds in extra-hepatic tissues would result in an increase in the rate of export of acetoacetate out of hepatic mitochondria. From theCambridge English Corpus Both of the sulphides and isobutenyl methylketonewere never detected in the healthy seeds and were only found in the seeds infested by the bruchid larvae. From theCambridge English Corpus Aketonewill give a negative result because it can not be oxidized easily. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.One of the greatest advantages of this method is its compatibility with unsaturated ketones. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It is a double-unsaturatedketonethat does not occur in nature. 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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