单词 | respiratory quotient |
释义 | > as lemmasrespiratory quotient respiratory quotient n. Physiology the ratio of the volume of carbon dioxide evolved to that of oxygen consumed by an organism, tissue, or cell in a given time. ΘΚΠ the world > life > the body > respiratory organs > breathing > [noun] > respiratory quotient respiratory quotient1879 RQ1900 1879 J. B. Sanderson Syllabus Course Lect. Physiol. (ed. 2) i. 34 If all the inspired O were discharged as CO2, the quotient (by volume)—called the ‘Respiratory Quotient’..would be = 1. 1900 W. S. Hall Text-bk. Physiol. iv. 218 The respiratory quotient varies considerably in different species, and in the same animal under different conditions. 1995 Sci. Amer. Dec. 85/1 Figuring the respiratory quotient—the ratio of carbon dioxide molecules released to the number of oxygen molecules consumed—is not much more difficult. < as lemmas |
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