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单词 californium
释义 californium|kælɪˈfɔːnɪəm|
[f. the University of California, where it was discovered, + -ium.]
A transuranic radioactive element; symbol Cf; atomic number 98.
1950in Amer. Speech (1951) XXVI. 291/2 Scientists have created a new element—Californium—carrying the heaviest atom ever known, it was announced Friday.1954Sci. News XXXII. 109 Through the absorption of 13 successive neutrons and 4 emissions of electrons (beta decay), it [sc. plutonium-239] was converted into californium-252, which was separated chemically.1969Times 22 Apr. 6/6 Element 104 has successfully been synthesized by bombarding the artificial element californium.
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更新时间:2024/12/22 11:17:27