| 单词 | electric balance |
| 释义 | > as lemmaselectric balance electric balance n. †(a) equilibrium in respect of electrical properties (obsolete); (b) = electric bridge n. (b), Wheatstone bridge n. at Wheatstone n. a; (c) a form of electrometer that makes use of the attractive or repulsive force of electrically charged objects; (d) a small weighing machine that is electrically operated. ΚΠ 1848 Lancet 23 Sept. 342/2 When their intense emanations flow in currents,..then, as the disturbing forces are severe, the loss of electric balance is severe also. 1860 Proc. Royal Soc. 1859–60 10 307 My modes of experimenting were..all based on Professor Wheatstone's invention of a beautiful method for comparing resistances, to which I have frequently referred as Professor Wheatstone's electric balance. 1887 Nature 29 Sept. 522/1 New electric balances. These balances are founded on the mutual forces, discovered by Ampère, between the fixed and movable portions of an electric circuit. 1931 Jrnl. Sci. Instruments 8 338 Figs. 3–5 show respectively the electric balance as used by Volta in determining the law of attraction in relation to distance, Oersted's compass, [etc.]. 1961 Exper. Cell Res. 25 44 The wet and dry weights of the bones were determined with an electric balance. 2002 Jrnl. Herpetol. 36 662/2 We..weighed body mass..to the nearest 0.1 g with an electric balance. < as lemmas |
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