| 单词 | relaxation time |
| 释义 | > as lemmasrelaxation time relaxation time n. (a) a time set aside for relaxation; (b) Science the time taken for a system to return to a state of equilibrium; spec. (in cases in which the process of return is exponential), the time taken for the deviation from equilibrium to be reduced by a factor e. ΘΚΠ the world > matter > physics > mechanics > dynamics > statics > [noun] > equal balance of opposing forces > return towards equilibrium > time taken relaxation time1830 settling time1951 1830 Westm. Rev. Oct. 431 Learned gentlemen..must have their relaxation time. 1864 E. Tabor Janita's Cross I. xi. 126 She often had recourse to tears, but it was always during relaxation time. 1867 J. C. Maxwell in Philos. Trans. (Royal Soc.) 157 53 A time T, which may be called the ‘time of relaxation’ of the elastic force.] 1897 A. G. Webster Theory Electr. & Magn. xii. 472 We shall here..call the time in which the current decreases in the ration 1/e the relaxation-time... Increasing the capacity or the self-induction increases the relaxation-time. 1981 Times 23 Nov. 1/7 The company wants to reduce daily relaxation time from 5 to 40 minutes. 1996 Q. Jrnl. Royal Astron. Soc. 37 638 The Sun is a B star, whose Galactic orbit therefore has a relaxation time of ≳ 200 Myr. 2004 R. Langdon Understanding Cosmetic Laser Surg. 32 They considered the physical properties of small blood vessels, including their..relaxation time, a measure of how quickly a structure cools down after being heated. < as lemmas |
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