| 单词 | equivalent number |
| 释义 | > as lemmasequivalent number equivalent number n. Chemistry atomic weight. ΘΚΠ the world > matter > physics > atomic physics > [noun] > atomic weight atomic weight1819 equivalent number1826 atomic mass1884 relative atomic mass1892 1826 W. Henry Elements Exper. Chem. (ed. 10) I. ix. 629 The equivalent number, or weight of the atom, of alumina, has been less satisfactorily determined than that of most of the earths. < as lemmas |
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