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单词 obruchevite
释义

obruchevite

/ɒˈbruːtʃəvʌɪt/
Mineralogy (disused )
noun
A mineral containing yttrium and uranium, originally regarded as a member of the pyrochlore group but later shown to consist of two different species.

Origin

1950s. From Russian obručevit from the name of Vladimir Afanas′evič Obručev, Russian geologist + -it.

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更新时间:2024/12/23 14:58:49