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单词 functional group
释义
functional group
noun[C]
chemistryspecialized
uk
/ˈfʌŋk.ʃən.əl ˌɡruːp/us
/ˈfʌŋk.ʃən.əl ˌɡruːp/
agroupofatomsthat gives achemicalcompounditscharacteristics, such as theabilitytoreactwithparticularsubstances:
功能基团
Carbonyls andalkenes, two of the mostcommonfunctionalgroupsinorganicchemistry,generallydo notreactwith one another.羰基和烯烃是有机化学中最常见的两个功能基团，它们之间一般不发生反应。
In Table 13.2 wesawthenamesofcompoundsthatsharefunctionalgroups.在表13.2我们可以看到有相同功能基团的化合物的名称。
More examples
  • Nitrogen-containingfunctionalgroupscaninteractwithlithiumatoms.
  • Selectivereactionof onealcoholamong many incomplexmoleculescan beachievedby the use of acatalystthatformsasinglecovalentbondto anearbyfunctionalgroup.
  • Thekeyto theeffectsoffunctionalgroupsliesin what are called "nonbondedinteractions", whichoccurbetweenatomswith nochemicalbonding.
  • Functionalgroupsis atermthat refers togroupsofatomsthat give amoleculespecificcharacteristicproperties.
SMART Vocabulary: related words and phrases
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(Definition offunctional groupfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesoffunctional group

functional group
Little is known, however, about the reproductive capacity and the fate of the propagules, and how different reproductive syndromes are represented in species of the samefunctionalgroup.
From theCambridge English Corpus
Chemical synthesis of the component strands allows great flexibility in terms of sequence andfunctionalgroupmodification, and the attachment of exogenous groups (such as fluorophores) to facilitate physical study.
From theCambridge English Corpus
Phase one would be basic recruit training, undertaken where possible on afunctionalgroupbasis.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
This can be compared with enol, which is afunctionalgroupcontaining both alkene ("en" -) and alcohol (- "ol").
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
A huge number of copies of afunctionalgroupwere placed at a specific site and thereafter simultaneously minimized or simulated.
From theCambridge English Corpus
Molecular diversity can be divided into three types :functionalgroupdiversity, secondary structural diversity and tertiary structural diversity.
From theCambridge English Corpus
The knowledge model of afunctionalgroupdescribes only the diagnostic knowledge of thefunctionalgroup.
From theCambridge English Corpus
Red oak litter promotes a microarthropodfunctionalgroupthat accelerates its decomposition.
From theCambridge English Corpus
Distributions were calculated for each species, then averaged over all species in eachfunctionalgroup.
From theCambridge English Corpus
In the present study thefunctionalgroupof trees from floodplains was analysed, and seed dry mass ranged over four orders of magnitude.
From theCambridge English Corpus
This assumes that the keyfunctionalgroupin all human tissues (including brain) is histidine imidazole.
From theCambridge English Corpus
This group can already be a spin label or afunctionalgroupwhich reacts selectively with a spin label possessing a complementaryfunctionalgroup.
From theCambridge English Corpus
The association of activity rhythm with the other niche variables, food selection,functionalgroup, body size and relative abundance, was analysed using multiple correspondence analysis.
From theCambridge English Corpus
Parameters were calculated for each species, then averaged over all species in eachfunctionalgroup.
From theCambridge English Corpus
In the knowledge model for the entire object, afunctionalgroupis considered as a component.
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.
#https://dictionary.cambridge.org//dictionary/english/functional-group##
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更新时间：2025/2/5 15:37:55