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单词 radiotellurium
释义

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radiotellurium
radiotellurium n.
Brit. /ˌreɪdɪə(ʊ)tɛˈl(j)ʊərɪəm/
,
/ˌreɪdɪə(ʊ)tɛˈl(j)ɔːrɪəm/
,
/ˌreɪdɪə(ʊ)tᵻˈl(j)ʊərɪəm/
,
/ˌreɪdɪə(ʊ)tᵻˈl(j)ɔːrɪəm/
,
U.S. /ˌreɪdioʊˌtɛˈlʊriəm/
,
/ˌreɪdioʊtəˈlʊriəm/
(a) an isotope of polonium (polonium-210, originally thought to be tellurium), which occurs in the radium decay series and decays by alpha emission with a half-life of about 138 days (obsolete); (b) any radioactive isotope of tellurium.
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the world > matter > physics > atomic nucleus > radioactive isotope > specific isotopes > [noun] > polonium
radiobismuth1903
radiotellurium1903
1903 N.-Y. Tribune 12 July ii. 2/6 A local sensation was created in Berlin a few months ago by Professor Marckwald's announcement that he had found a new radio-active substance. He derived it from pitchblende, and was disposed to call it ‘radio-tellurium’.
1962 O. Hahn in Coll. Papers Ld. Rutherford I. 168 Eventually it turned out that polonium and radiotellurium were identical, and the latter name had to be dropped, although polonium is in fact a higher homologue of tellurium.
1971 W. J. Edwards & J. M. Bateman Adsorption of Tellurium from Aqueous Solution (Atomic Energy of Canada Ltd.) Pref. i Radio-tellurium is a possible fission product and nickel oxide, or hydroxide, a potential trap for this method of detection.
1996 Nucl. Technol. 113 204/1 The irradiated targets are dissolved in a sulfuric acid medium, entailing the maintenance of radioiodine and radiotellurium..in the form of I (AgI) and Te(0), respectively.
extracted from radio-comb. form2
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