“Lewis number”的概念、定义、翻译、参考文献-科学参考

单词	Lewis number
释义	Lewis number Chemical Engineering A dimensionless number, Le, used in heat and mass transfer that characterizes a particular substance as the ratio of the thermal diffusivity, α, to the molecular diffusivity, D: $L e = \frac{α}{D}$ It is named after American chemical engineer Warren K. Lewis (1882–1975). See lykov number.
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