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单词 absorptivity
释义 absorptivity
[ǝb´sȯrp`tiv·ǝd·ē]
ANALYTICAL CHEMISTRY
The constant a in the Beer's law relation A = abc, where A is the absorbance, b the path length, and c the concentration of solution. Also known as absorptive power.Formerly known as absorbency index; absorption constant; extinction coefficient.
THERMODYNAMICS
The ratio of the radiation absorbed by a surface to the total radiation incident on the surface.
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