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单词 strontium 90
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strontium 90
strontium 90 n. a radioactive isotope of strontium which is one of the chief products of the fission of uranium 235, can pass from fall-out into plants and animals and hence into human tissue (where it is concentrated in bones and teeth), and has been used in radiotherapy.
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the world > matter > physics > atomic nucleus > radioactive isotope > specific isotopes > [noun] > strontium
strontium 901955
the world > matter > chemistry > elements and compounds > metals > specific elements > strontium > [noun] > radioactive isotope of
strontium 901955
1955 Sci. News Let. 28 May 345/1 Strontium 90 is of particular interest because, being chemically similar to calcium, it may be deposited in human bone.
1961 Lancet 12 Aug. 366/1 Measurements of strontium 90 in human bone in the United Kingdom.
1978 Jrnl. Royal Soc. Arts 126 257/1 Two fission products, Strontium 90 and Caesium 137 have particularly awkward half-lives of about 30 years.
extracted from strontiumn.
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更新时间:2024/12/24 22:02:15