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单词 scandium
释义

scandium

noun

scan·​di·​um ˈskan-dē-əm How to pronounce scandium (audio)
: a silvery-white metallic element found widely especially in association with rare earth elements and used especially in alloys and in high-intensity electric lamps see Chemical Elements Table

Example Sentences

Recent Examples on the Web And many metals have production losses of 95 percent or higher: arsenic, gallium, germanium, hafnium, scandium, selenium, and tellurium. John Timmer, Ars Technica, 20 May 2022 The country also produces several other key raw materials for computer chips, including the rare Earth metal scandium. Jeremy Kahn, Fortune, 14 Feb. 2022 In 2008, Russian suppliers of scandium, a rare-earth metal and crucial ingredient, raised their price. Rebecca Davis O’brien And Katherine Blunt, WSJ, 8 Dec. 2020 Scientists have come up with several ways to purify scandium from red mud. Robert F. Service, Science | AAAS, 20 Aug. 2020 Ultimately, red mud could meet 10% of Europe’s demand for scandium, Balomenos says. Robert F. Service, Science | AAAS, 20 Aug. 2020 Researchers have recently shown that scandium-aluminum alloys are as much as 40% stronger than pure aluminum. Robert F. Service, Science | AAAS, 20 Aug. 2020 With names like europium, scandium and ytterbium, the bulk of rare earth minerals are extracted from mines in China, where lower wages and lax environmental standards make production cheaper and easier. Washington Post, 8 June 2019 Gallium and scandium, for example, were both discovered in the 1870s. David Grossman, Popular Mechanics, 18 Jan. 2019 See More

Word History

Etymology

New Latin, from Latin Scandia, ancient name of southern Scandinavian peninsula

First Known Use

1879, in the meaning defined above

Medical Definition

scandium

noun

scan·​di·​um ˈskan-dē-əm How to pronounce scandium (audio)
: a white trivalent metallic element found in association with rare earth elements
symbol Sc
see Chemical Elements Table
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更新时间:2025/2/27 20:08:15