| 单词 | diffusion constant |
| 释义 | > as lemmasdiffusion constant diffusion constant n. Science (with reference to a substance in a mixture or solution) the ratio of the diffusive flux in any given direction to the concentration gradient in that direction; = diffusion coefficient n. ΚΠ 1855 London, Edinb., & Dublin Philos. Mag. 4th Ser. 10 35 We understand by k, as above, the diffusion-constant for the combination of salt and water in question. 1936 W. Stiles Introd. Princ. Plant Physiol. iv. 46 The value of D..at a defined temperature and concentration is called the diffusion constant, diffusivity, or coefficient of diffusion of the substance. 2012 S. Matsuoka & T. K. Kwei in F. Bovey Macromolecules v. 404 The diffusion constants are, as a rule, functions of both the temperature and the concentration of the organic diffusant c in the system. < as lemmas |
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