单词 | zero-order |
释义 | > as lemmaszero-order zero-order adj. (a) Statistics designating the degree of correlation between two variables when no other variables are held constant; (also) of or relating to this; (b) Chemistry designating a chemical reaction in which the rate of reaction is constant and (apparently) independent of the concentration of the reactant; (also) designating an equation modelling such a reaction. ΚΠ 1919 Public Health Rep. (U.S. Public Health Service) 34 1773 The zero order coefficients were all determined by the direct product-moment method, without the formation of correlation tables. 1926 Amer. Chem. Soc. 48 2860 When small amounts of solid are used, the reaction is better represented by a ‘zero’ order than by a first-order equation. 1929 Jrnl. Educ. Res. 19 316/2 The correlation between score and experience when the factor of age is kept constant is seen to be slightly higher than the zero order correlation. 1978 G. C. Hill & J. S. Holman Chem. in Context xxiii. 359 This means that changing the concentration of X will not affect the rate of a reaction which is zero order with respect to X. 2012 S. A. Zumdahl & S. S. Zumdahl Chemistry xii. 544 For a zero-order reaction, the rate is constant. 2012 E. M. Uslaner Segregation & Mistrust vii. 182 The zero-order correlation between this measure of Allport's optimal conditions and secular volunteering is higher..than the correlation for mainline respondents. < as lemmas |
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