“polonium”的英文意思_释义_用法

单词

polonium

释义

polonium Chem.|pəʊˈləʊnɪəm|
[mod.L. and F. polonium, f. med.L. Polōnia Poland + -ium: see quot. 1900.]
A highly radio-active metallic element, discovered in 1898 by Prof. and Mme. Curie in pitchblende; atomic number 84, symbol Po.
1898Sir W. Crookes Addr. Brit. Assoc. 24 A new constituent of the uranium mineral pitchblende,..The radiant activity of the new body, to which the discoverers have given the name of Polonium, needs neither the excitation of light nor the stimulus of electricity.1900Nature 14 June 151/2 That [substance] associated with bismuth being named polonium, a name derived from the Polish nationality of Mme. Curie.1906Athenæum 20 Jan. 82/1 In six days it becomes radium F, which Prof. Rutherford identifies with the polonium of Madame Curie and the radio-tellurium of Prof. Marckwald.

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