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单词 supercritical
释义
supercritical
adjective
chemistry,physicsspecialized
uk
/ˌsuː.pəˈkrɪt.ɪ.kəl/us
/ˌsuː.pɚˈkrɪt̬.ɪ.kəl/
relatingtosubstancesthat areheatedtohigherthantheircriticaltemperatureandpressure(= thehighesttemperatureandpressureat which agascan bechangedinto aliquid),resultinginchangesto the way theybehave:
超临界的
Although muchdenserthan agas, the supercriticalCO2is lessdensethanwaterso it willstarttomigrateupwards.虽然比气体密度大得多，但超临界二氧化碳的密度比水小，因此它会开始向上移动。
More examples
  • Manycommonchemicalscan go supercritical, forinstancewater,carbondioxideandethylene, used to makepolytheneshoppingbags.
  • Carbondioxide, when it goes supercritical at just over 30C, was first used in the 1960s forextractingthecaffeinefromcoffeebeanswithoutleavingachemicalresidue.
  • a newgenerationof supercriticalcoal-firedpowerstations
  • Theysqueezedthegastoalmost100timesatmosphericpressurebutheatedit to just 35C. Once in the supercriticalstate, theketoneswereadded.
(Definition ofsupercriticalfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofsupercritical

supercritical
Generally, smaller (order 0.1) input g yieldedsupercriticaloutputs, and larger (order 10) g subcritical outputs, which we now describe.
From theCambridge English Corpus
A locallysupercriticalflow is formed, which jumps a t some location to a subcritical state.
From theCambridge English Corpus
Everything after this, including the re-initiation mechanism for thesupercriticalcase, is irrelevant if we are only concerned with the critical energy.
From theCambridge English Corpus
According to the model equations, in thesupercriticalrange, chaotic oscillations with intermittently growing amplitudes occur, resulting in repeated global flow reversals in the loop.
From theCambridge English Corpus
Here the fourth order term has the wrong sign whenever p(x, t) is subcritical and the right sign where it issupercritical.
From theCambridge English Corpus
Such periodic waves are not roll waves, because there is no transition from subcritical tosupercriticalflow in the wave.
From theCambridge English Corpus
If the total mass issupercritical, why should subcritical spreading behavior be expected for the initial regime of the dynamics?
From theCambridge English Corpus
Thesupercritical, steady two-dimensional motion, the heat transport and the stability of the motion are investigated.
From theCambridge English Corpus
In both these investigations the heating wassupercritical.
From theCambridge English Corpus
The failure point is identified as the point where the profiles of the marginally subcritical and marginallysupercriticalinitiation energies start to deviate significantly.
From theCambridge English Corpus
There is no question of applying an 'initial' condition, in the sense that it is used in the case of disturbances undersupercriticalconditions.
From theCambridge English Corpus
A similar analysis shows that these flows are alsosupercriticalt o waves of that type.
From theCambridge English Corpus
Two-dimensional rolls have indeed been shown to be a stable bifurcation solution for weaklysupercriticalconvection.
From theCambridge English Corpus
The flow is thensupercriticaland internal hydraulic jumps may occur under suitable downstream conditions.
From theCambridge English Corpus
When the specifying flow is slightlysupercritical, a weakly nonlinear solitary wave (29a) is possibie.
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/supercritical##
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更新时间：2024/12/28 1:37:14