| 单词 | zirconium |
| 释义 | zirconium noun[U] uk/zɜːˈkəʊ.ni.əm/us/zɚˈkoʊ.ni.əm/(symbolZr) achemicalelementthat is a hard, silver-greymetal 锆Chemistry: metals & metalworking
Examplesofzirconiumzirconium Zirconiumand its alloys are highly reactive toward oxygen, nitrogen, and hydrogen. From theCambridge English Corpus The same is true for the vanadium, rubidium andzirconiumconcentrations in the sediment. From theCambridge English Corpus Figure 21 presents the magnetic field dependence of the gas and metal ion contents for cathodes made of yttrium andzirconiumand oxygen as the fill gas. From theCambridge English Corpus Thezirconiumwater reaction was implicated in the generation of the hydrogen, which subsequently exploded and blew the top off. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Space age materials such as uranium, beryllium,zirconiumand titanium are of great value to the hospital service and for specialised machinery used elsewhere. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 There are a lot of metallurgical problems; many odd metals like beryllium orzirconiumhave to be produced and examined to see if they have suitable properties. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Due to the lanthanide contraction of the elements in the sixth period,zirconiumand hafnium have nearly identical ionic radii. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.It is an unusual ceramic, having relatively high thermal and electrical conductivities, properties it shares with isostructural titanium diboride andzirconiumdiboride. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Afterzirconiumwas chosen as material for nuclear reactor programs in the 1940s, a separation method had to be developed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Many systems use an aluminium oxide orzirconiumoxide or zirconia core instead of metal that makes complete porcelain restorations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Typical materials that are welded include titanium, beryllium, andzirconium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Zirconiumsilicate is usually colorless, but impurities induce various colorations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Titanium, scandium, andzirconiumform stable chemical compounds called metal hydrides when combined with hydrogen or its isotopes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In this process, the strongly coordinating methyl group transfers to the boron to expose a reactive site onzirconium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.As a pure powder,zirconiumhydrides are used as hydrogenation catalysts, in powder metallurgy, and as getters in the vacuum tube industry. 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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