| 单词 | joule's equivalent |
| 释义 | > as lemmasJoule's equivalent Joule's equivalent n. = mechanical equivalent of heat: see equivalent n. 3c. ΘΚΠ the world > matter > physics > mechanics > dynamics > thermodynamics > [noun] > mechanical equivalent of heat Joule's equivalent1853 1853 W. J. M. Rankine in Trans. Royal Soc. Edinb. XX. 192 This last quantity..is..one-ninth of the value according to Mr Joule's equivalent. 1853 W. Thomson in Trans. Royal Soc. Edinb. XX. 298 In terms of Joule's mechanical equivalent of heat. 1912 H. A. Perkins Introd. Gen. Thermodynamics ii. 19 The numerical constant connecting heat energy..and mechanical energy..is known as ‘Joule's equivalent’. 1958 A. J. Woodall Heat v. 99 Joule's equivalent is, of course, expressible in different units. < as lemmas |
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