| 单词 | amine |
| 释义 | amine noun[C] uk/ˈeɪ.miːn/us/əˈmiːn/any of agroupofsubstancesformedfromammoniabyreplacinghydrogenatomswith agroupofatomscontainingcarbon 胺Chemicals, chemical compounds & gases
amine| American Dictionaryamine noun[C] us/əˈmin,ˈæm·in/chemistry any of agroupofsubstancesformedfromammoniabyreplacinghydrogenatomswith agroupofatomscontainingcarbon Examplesofamineamine In fact, there are specific postnatal critical periods and developmental sequences for the appearance of the biogenic amines dopamine and noradrenaline. From theCambridge English Corpus The active compounds share a common structural motif : a protonatableaminemoiety separated from an ionized sulfonate moiety by 2 or 3 methylene groups. From theCambridge English Corpus In the other isomers, where the two groups are linked together, the carbonyl group attracts the electrons, which destabilizes the protonatedamine. From theCambridge English Corpus Biogenic amines were selected on the basis of their effects during frequency of movement assays. From theCambridge English Corpus Table 2 depicts the data for the biogenic amines and their metabolites under basal and separation conditions. From theCambridge English Corpus The major inactivation of biogenic amines is performed by monoamine oxidase, an enzyme located solely in mitochondria. From theCambridge English Corpus Trace amines are endogenousaminecompounds structurally related to the classical monoamine neurotransmitters. From theCambridge English Corpus The effects of the fetal environment on the development of biogenicaminesystems have received less attention than genetic or postnatal environmental factors. From theCambridge English Corpus The primary aim was to determine whether prenatal stress persistently alters the activity of brain biogenicaminesystems. From theCambridge English Corpus Clinical treatment was instituted initially, using high doses of diuretics, peripheral vasopressor and vasodilator amines. From theCambridge English Corpus But this problem would not hamper data collection on hydrogen bonds to amines, since amino protons exchange readily with solvent. From theCambridge English Corpus A longitudinal study of the effects of different rearing environments on cerebrospinal fluid norepinephrine and biogenicaminemetabolites in rhesus monkeys. From theCambridge English Corpus Consequently, the same isomers were studied as before, first protonated on the acid group, then on theaminegroup. From theCambridge English Corpus Red regions are around the carboxyl oxygens, and blue regions are around hydrogens and theaminegroup. From theCambridge English Corpus Biotinylated dextranamineas an anterograde tracer for single- and double-label studies. 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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