| 单词 | turnover rate |
| 释义 | > as lemmasturnover rate b. The simultaneous synthesis and degradation of a substance in a living organism; turnover rate, turnover time (see quot. 1943). ΘΚΠ the world > life > biology > laboratory analysis > period > [noun] logarithmic phase1914 prothrombin time1927 log phase1938 turnover time1943 survival time1947 pulse1960 scotophase1962 the world > life > biology > biological processes > metabolism > [noun] > metabolic processes metastasis1861 respiration1882 nitrogen fixation1893 turn-over1943 the world > life > biology > laboratory analysis > measure > [noun] > rate R1841 productivity1881 fusion frequency1924 mutation rate1930 turnover rate1943 1943 Jrnl. Gen. Physiol. 26 326 Turnover.—This term refers to the process of renewal of a given substance... Turnover rate..is the amount of the substance that is turned over by that tissue per unit of time... Turnover time..is the time required for the appearance or disappearance of an amount of that substance equal to the amount of that substance present in the tissue. 1961 Times 3 Feb. 19/7 In health the myelin sheath is a stable tissue element with little or no evidence of metabolic turnover. 1967 M. E. Hale Biol. Lichens iv. 58 Slow rates of protein turnover might well be a characteristic of all lichens. 1977 P. B. Medawar & J. S. Medawar Life Sci. x. 84 The turnover rate of bodily constituents varies widely from tissue to tissue. 1982 S. G. Chaney in T. M. Devlin Textbk. Biochem. xxv. 1180 The turnover of body protein is a normal process. < as lemmas |
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