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单词 atomic number
释义
atomic number
noun[C]
chemistryspecialized
uk
/əˌtɒm.ɪk ˈnʌm.bər/us
/əˌtɑː.mɪk ˈnʌm.bɚ/
thenumberofprotonsfoundin thenucleusof anatomof aparticularchemical, used as a way oflistingthechemicalelementsinorderin theperiodictable
原子数（某种化学物质的原子核中质子的数量，用于化学元素周期表中的排序）
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(Definition ofatomic numberfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

atomic number| American Dictionary

atomic number
noun[C]
physics
the number ofprotonsin thenucleus(=centralpart)of anatomof aparticularchemical, used as a way oflistingthechemicalelementsin theperiodictable
(Definition ofatomic numberfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofatomic number

atomic number
The chemist is in the process of trying to discover theatomicnumber, but as yet is without evidence that theatomicnumberis 79.
From theCambridge English Corpus
It must be noted that for measuring of higher temperature plasmas, higheratomicnumbermaterials are more suitable to diagnose the heating process.
From theCambridge English Corpus
The difference can be explained by the dependence of collisional cross sections on the targetatomicnumber.
From theCambridge English Corpus
The dark contrast of the fossilized cell walls suggests that a light element (lowatomicnumber), perhaps carbon, is still present.
From theCambridge English Corpus
Effect of targetatomicnumberon laser induced ablation pressure scaling.
From theCambridge English Corpus
This variation increases with theatomicnumberof the projectile, but it is rather independent of the projectile energy in our domain.
From theCambridge English Corpus
The property of being gold and the property of havingatomicnumber79 are metaphysical identicals and being gold supervenes on havingatomicnumber79.
From theCambridge English Corpus
Conversely, the specific deposition energy per ion increases with increasingatomicnumber.
From theCambridge English Corpus
It is clear that the average number of electrons lost per encounter increases with increasing targetatomicnumber.
From theCambridge English Corpus
Because of the high melting temperature and largeatomicnumber, tantalum is sometimes used as the target material.
From theCambridge English Corpus
Experimental scaling laws for mass-ablation rate, ablation pressure in planar laser-produced plasmas with laser intensity, laser wavelength, and targetatomicnumber.
From theCambridge English Corpus
For elements of lowatomicnumber, calculations of radiative opacities with an explicit term-structure configuration are now possible.
From theCambridge English Corpus
We can imagine an early chemist who has evidence that gold is an element with anatomicnumber.
From theCambridge English Corpus
Successful realization of the plasma jet generation required a target material with theatomicnumber greater than that of aluminum, a short wavelength, and a relatively large focal spot radius.
From theCambridge English Corpus
When the medium is primarily composed of low and mediumatomicnumberelements, the medium's absorption of radiation is often dominated by absorption from well-separated core of spectral lines.
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/atomic-number##
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更新时间：2024/12/28 3:48:14