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单词 lanthanides
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Examples oflanthanides

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The section on rare earths (lanthanides) is also notably strong.
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In this regard, the use oflanthanidesprovides a gamma of versatile paramagnetic probes, but still needs to be fully exploited.
From theCambridge English Corpus
Lanthanides, in particular, can impart a large paramagnetic anisotropy and, hence, greatly enhance levels of alignment.
From theCambridge English Corpus
The reason for the high potency of thelanthanidesis probably partly due to their trivalency.
From theCambridge English Corpus
These series are, respectively, thelanthanidesand the actinides.
From theCambridge English Corpus
Monazite was the only significant source of commerciallanthanidesuntil bastnsite began to be processed in about 1965.
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Because of its closed-shell electron configuration, its density and melting and boiling points differ from those of the otherlanthanides.
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Neodymium is not found naturally in metallic form or unmixed with otherlanthanides, and it is usually refined for general use.
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In an aqueous solution, like compounds of other latelanthanides, soluble lutetium compounds form a complex with nine water molecules.
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Other carbon rich stoichiometries are known for somelanthanides.
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About 15000 ton/year of thelanthanidesare consumed as catalysts and in the production of glasses.
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Compared to most other nondietary elements, non-radioactivelanthanidesare classified as having low toxicity.
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In the gas phase the trihalides are planar or approximately planar, the lighterlanthanideshave a lower % of dimers, the heavier lanthanides a higher proportion.
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It is prepared by solvent extraction from the mixedlanthanidesisolated from bastnsite (or monazite).
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Actinium has similar chemical properties as lanthanum and otherlanthanides, and therefore these elements are difficult to separate when extracting from uranium ores.
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Contrary to most otherlanthanides, which have a close-packed hexagonal lattice, ytterbium crystallizes in the face-centered cubic structure.
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Boron nitride reacts with nitrides of alkali metals andlanthanidesto form nitridoborate compounds.
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Chromate and dichromate salts of heavy metals,lanthanidesand alkaline earth metals are only very slightly soluble in water and are thus used as pigments.
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Thelanthanideselute in order of decreasing atomic number.
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In aqueous solution, like compounds of other latelanthanides, soluble thulium compounds form complexes with nine water molecules.
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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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更新时间:2024/12/28 12:11:53