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单词 strontium
释义

strontium

noun

stron·​tium ˈsträn(t)-sh(ē-)əm How to pronounce strontium (audio)
ˈsträn-tē-əm
: a soft malleable ductile metallic element of the alkaline-earth group occurring only in combination and used especially in color TV tubes, in crimson fireworks, and in the production of some ferrites see Chemical Elements Table

Example Sentences

Recent Examples on the Web This reservoir is constantly loaded with strontium atoms, the researchers noted in their paper. Joshua Hawkins, BGR, 23 June 2022 The baryte group also includes celestite, or strontium-sulfate, used to produced purple fireworks. David Bressan, Forbes, 4 July 2021 As herbivorous dinosaurs digested ferns and conifers, for example, isotopes of oxygen, carbon and strontium from those plants accumulated in different proportions. Riley Black, Scientific American, 21 June 2022 Looking for oxygen and strontium isotopes within mastodon tusks is revealing some of that insight. Ashley Strickland, CNN, 13 June 2022 Older rock formations including granite are found to have more strontium than younger rocks like basalt, and this is reflected in the vegetation that grows around them. Katie Hunt, CNN, 17 Apr. 2022 The particles were not enriched with calcium and strontium, which would be present if the particles were from Earth. Elizabeth Gamillo, Smithsonian Magazine, 13 Apr. 2022 Using chemical analysis on the teeth, the researchers will try to determine if the people lived in Africa before coming to the U.S. Elements such as calcium and strontium in food are incorporated into the teeth and bones. CBS News, 11 Apr. 2022 The elements strontium and lithium will produce red light. David Bressan, Forbes, 4 July 2021 See More

Word History

Etymology

New Latin, from strontia strontium oxide, from obsolete English strontian, from Strontian, village in Scotland

First Known Use

1808, in the meaning defined above

Medical Definition

strontium

noun

stron·​tium ˈsträn-ch(ē-)əm How to pronounce strontium (audio) ˈstränt-ē-əm How to pronounce strontium (audio)
: a soft malleable ductile bivalent metallic element of the alkaline-earth group occurring only in combination
symbol Sr
see Chemical Elements Table
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更新时间:2024/11/10 21:15:18