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单词 isotope
释义
isotope
noun[C]
physics,chemistryspecialized
uk
/ˈaɪ.sə.təʊp/us
/ˈaɪ.sə.toʊp/
aformof anatomthat has a differentatomicweightfrom otherformsof the sameatombut the samechemicalstructure:
同位素
aradioactiveisotope ofhydrogen氢的放射性同位素
SMART Vocabulary: related words and phrases
Physics: atoms, molecules & sub-atomic particles
  • acceptor
  • anion
  • anti-radical
  • antilepton
  • antimatter
  • antineutrino
  • elementary particle
  • hydroxyl ion
  • interatomic
  • interelectronic
  • interionic
  • intermolecular
  • intermolecularly
  • muon
  • neutrino
  • non-molecular
  • nucleon
  • nuclide
  • relative atomic mass
  • relative molecular mass
See more results »
(Definition ofisotopefrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

isotope| American Dictionary

isotope
noun[C]
us
/ˈɑɪ·səˌtoʊp/
physics,chemistry
aformof anatomwhich has a differentatomicmassfrom otherformsof the sameatombut the samechemicalstructure
(Definition ofisotopefrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofisotope

isotope
This is no doubt related to the increased interest in gas centrifuges as a means of separating uranium isotopes.
From theCambridge English Corpus
It is commonly believed that both processes are very efficient and do not cause much fractionation of the isotopes.
From theCambridge English Corpus
Scope for use of stable carbon isotopes in discerning the incorporation of forest detritus into aquatic foodwebs.
From theCambridge English Corpus
In two other patients, the uptake ofisotopeby the right ventricle did not fall with time as much as expected following the arterial switch.
From theCambridge English Corpus
Both also had higher scores for left ventricular uptake ofisotopethan the two patients who were considered unsuitable for conversion to the arterial switch.
From theCambridge English Corpus
When using carbon, however, the carbon 11 isotopes produced by fragmentation are positron emitters.
From theCambridge English Corpus
We have recently developed anisotopepulse-chase experiment using quantitative mass spectrometry that permits assembly kinetics to be measured in real time.
From theCambridge English Corpus
These differences are also consistent model predictions of sulfurisotopefractionations produced by biosynthetic networks.
From theCambridge English Corpus
The processes as monitored by stable isotopes seem too slow to generate distinct glacial periods.
From theCambridge English Corpus
All aspects are covered: mineralogy, major- and trace-element compositions, andisotope(radiogenic and stable) geochemistry.
From theCambridge English Corpus
Disentangling a rainforest food web using stable isotopes: dietary diversity in a speciesrich ant community.
From theCambridge English Corpus
Structure of river food webs revealed by stableisotoperatios.
From theCambridge English Corpus
We see that fully closed pore graphites prevents this contribution to hydrogenisotopeinventory because there is no continuous surface leading deep into the graphite.
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.

Collocationswithisotope

isotope

These are words often used in combination withisotope.

Click on a collocation to see more examples of it.

heavy isotopes
This type of fission (called spontaneous fission) is rare except in a few heavy isotopes.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
isotope analysis
The following two papers deal with osteological andisotopeanalysisof the human remains of the 37 individuals recovered.
From theCambridge English Corpus
isotope dilution
The argon analysis was performed using the isotope dilution procedure on a noble gas mass spectrometer in duplicate.
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/isotope##
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更新时间：2024/12/28 12:50:19