单词 | lanthanides |
释义 | BETA Examples oflanthanidesDictionary> Examples oflanthanides lanthanidesisn’t in the Cambridge Dictionary yet. You can help! Add a definition The section on rare earths (lanthanides) is also notably strong. From theCambridge English Corpus 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. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because of its closed-shell electron configuration, its density and melting and boiling points differ from those of the otherlanthanides. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Neodymium is not found naturally in metallic form or unmixed with otherlanthanides, and it is usually refined for general use. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In an aqueous solution, like compounds of other latelanthanides, soluble lutetium compounds form a complex with nine water molecules. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other carbon rich stoichiometries are known for somelanthanides. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. About 15000 ton/year of thelanthanidesare consumed as catalysts and in the production of glasses. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Compared to most other nondietary elements, non-radioactivelanthanidesare classified as having low toxicity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the gas phase the trihalides are planar or approximately planar, the lighterlanthanideshave a lower % of dimers, the heavier lanthanides a higher proportion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is prepared by solvent extraction from the mixedlanthanidesisolated from bastnsite (or monazite). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Actinium has similar chemical properties as lanthanum and otherlanthanides, and therefore these elements are difficult to separate when extracting from uranium ores. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Contrary to most otherlanthanides, which have a close-packed hexagonal lattice, ytterbium crystallizes in the face-centered cubic structure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Boron nitride reacts with nitrides of alkali metals andlanthanidesto form nitridoborate compounds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chromate and dichromate salts of heavy metals,lanthanidesand alkaline earth metals are only very slightly soluble in water and are thus used as pigments. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thelanthanideselute in order of decreasing atomic number. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In aqueous solution, like compounds of other latelanthanides, soluble thulium compounds form complexes with nine water molecules. 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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