| 单词 | allotrope |
| 释义 | allotrope noun[C] uk/ˈæl.əˌtrəʊp/us/ˈæl.ə.troʊp/one of manyformsof achemicalelement. Forexample,coalandgraphiteare differentformsofcarbon. 同素异形体Chemistry - general words
allotrope| American Dictionaryallotrope noun[C] us/ˈæl·əˌtroʊp/chemistry one of manyformsof achemicalelement, forexample,coalandgraphite(=substanceused inpencils)are differentformsofcarbon Examplesofallotropeallotrope Introduction : recently we have started a program on the synthesis and investigation of the chemical structure and properties of carbon allotropes and certain carbonaceous matter. From theCambridge English Corpus To give it its technical description, it is a blue gaseousallotropeof oxygen derived or formed naturally from diatomic oxygen by electric discharge or exposure to ultra-violet radiation. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 From its electron diffraction pattern, the mineral has been considered to have a carbyne structure, the linear acetylenic carbonallotropeof carbon. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.The alphaallotropeis rhombohedral, and the betaallotropeis tetragonal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Through catalysis's and convoluted magnetic fields the reactors convert ultra-pure hydrogen into an exoticallotropeof hydrogen, ekti. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.At very high pressures carbon forms the more compactallotropediamond, having nearly twice the density of graphite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Examples of solid elemental insulators are diamond (anallotropeof carbon) and sulfur. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.While thisallotropeis occasionally mentioned in the literature, no subsequent work appears to have been published either confirming or discrediting its existence. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.A seventh plutoniumallotropeexists at very high pressures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The high-temperature gammaallotropehas a body-centered cubic crystalline structure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The crystallineallotropeis gray and has a metallic luster. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The last would be a high energyallotropeof nitrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Allotropeis a misnomer, as adamantium is an alloy and not a pure element. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Effect of heat: it is the most stableallotropeof carbon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Technically, graphene is a crystallineallotropeof carbon with 2-dimensional properties. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.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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