英语词汇“thulium”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

thulium

释义

thulium Chem.|ˈθjuːlɪəm|
[mod.L., coined in Fr. (P. T. Cleve 1879, in Compt. Rend. LXXXIX. 480), f. Thule + -ium.]
A rare metallic element of the lanthanide series that forms pale green salts in which it is trivalent. Atomic number 69; symbol Tm.
1879P. T. Cleve in Chem. News 12 Sept. 126/2 For the radical of the oxide placed between ytterbia and erbia..I propose the name of Thullium [sic], derived from Thulé, the ancient name of Scandinavia.1923U. R. Evans Metals & Metallic Compounds II. 236 Thulium can be separated in a fairly pure state by oft-repeated recrystallization as bromate.1924[see holmium].1956Nature 17 Mar. 494/2 Iridium-192 continues to be the source most commonly used in industry for gamma-radiography... Thulium-170 has only gained slightly in popularity.1968Punch 24 Apr. 604/3 Gold, silver and platinum are starting to look pretty square as well as pricey these days. More sophisticated speculators have already shifted into antimony and zinc: while an avant garde group is believed to have plunged heavily on thulium.

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