N a measure of the ability of an object to absorb radiation, equal to the ratio of the absorbed radiant flux to the incident flux. For a layer of material the ratio of the flux absorbed between the entry and exit surfaces of the layer to the flux leaving the entry surface is the internal absorptance 吸收比 ( symbol: α) [physics] → compare reflectance, transmittance[1]
screen absorptance[电] 屏幕吸收系数 ; 屏幕吸收系数
luminous absorptance 光吸收比
absorptance rate 吸收率
total absorptance 总吸收率
gas absorptance 烟气吸收
radiant absorptance 辐吸收比
absolute absorptance 总接收率
infrared absorptance 红外吸收率
monochromatic absorptance 单色吸收率[1]
In this paper another method is employed to derive the expression for the absorptance of non quarter wave systems.
本文提出了推导非四分之一波长膜系反射镜吸收率的另一种方法。
The emission intensity is given by the absorptance of the volume in which there is a difference of the quasi Fermi energies.