| 单词 | samaria |
| 释义 | > as lemmassaˈmaria saˈmaria n. the oxide Sm2O3, a cream-coloured solid. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > samarium > [noun] > compounds samaria1885 1885 Jrnl. Chem. Soc. 48 ii. 1025 The spectrum of a phosphorescent mixture of samaria 90 parts, and yttria 10 parts, in high vacua, shows none of the lines of yttrium, but is almost a facsimile of the spectrum of pure samarium. 1898 W. Crookes Addr. Brit. Assoc. 23 The persistence of the samarium spectrum in presence of overwhelming quantities of other metals, is almost unexampled in spectroscopy: thus one part of samaria can easily be seen when mixed with three million parts of lime. 1974 Encycl. Brit. Macropædia XV. 516/1 Mosander's didymia was resolved into several oxides—samaria (samarium; 1879), praseodymia.., neodymia.., and europia. < as lemmas |
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