| 单词 | mass resistivity |
| 释义 | > as lemmasmass resistivity mass resistivity n. Physics the resistivity of a substance expressed in terms of a wire of unit length and mass (rather than unit length and cross-sectional area), equal to the product of the volume resistivity and the density. ΚΠ 1902 J. J. Thomson in Encycl. Brit. XXVIII. 5/1 We may express the resistivity [of a metal] by stating the resistance in ohms offered by a wire of the material in uniform cross-section, one metre in length, and one gramme in weight. This numerical measure of the resistivity is called the Mass-Resistivity. 1967 E. U. Condon & H. Odishaw Handbk. Physics (ed. 2) a–11/2 Mass resistivity is the name given to the product ρm = ρd. < as lemmas |
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