| 单词 |
Young |
| 释义 |
Young, n.2 Physics and Mech.|jʌŋ|
[The name of Thomas Young (1773–1829), English physician and physicist.]
Young's modulus: = modulus of elasticity s.v. modulus 3.
1865Proc. R. Soc. XIV. 293 Young's ‘modulus’, which has generally been called simply the modulus of elasticity of a solid, is the longitudinal traction of a stretched rod or wire of the substance, divided by the extension produced by it. Ibid., Several accurate determinations of Young's modulus have been made upon wires of different substances hung in the College Tower of the University of Glasgow. 1930Engineering 11 Apr. 465/1 The modern theory of the elasticity of isotropic materials makes use of a number of physical constants, all of which are definitely related to Young's Modulus E. 1967M. Chandler Ceramics in Mod. World iv. 118 The harder it is to stretch a material, the higher is its Young's modulus. 1978Jrnl. R. Soc. Arts CXXVI. 683/1 The stresses built up in a structure due to these temperature differences are proportional to E (Young's Modulus), α (the linear coefficient of expansion) and ΔT (the temperature difference). |
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