| 单词 | action spectrum |
| 释义 | > as lemmasaction spectrum action spectrum n. Biology a graphical representation of the effectiveness of a range of electromagnetic wavelengths in producing a given biochemical or physiological response in an organism. ΚΠ 1937 Jrnl. Gen. Physiol. 21 72 The action spectrum for CO2 assimilation has bands that correspond in position only to those of the bacteriochlorophyll. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) XIV. 188/2 When the bactericidal effectiveness of each of a series of wavelengths is plotted against the wavelength, the resulting curve is an action spectrum for the bactericidal effect. 2006 BioSystems 86 13/1 Hydra's behavioral action spectrum has been elucidated, indicating red blindness. < as lemmas |
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