a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber;
"absorptance equals 1 minus transmittance"
双语例句
1. With decreasing the film thickness, the maximum absorptance appears.
随着薄膜厚度减小，吸收率具有极大值。
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2. Methods Non flame atom absorptance was used to determine the blood lead levels.
方法采用非火焰原子吸收法测定全血铅含量。
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3. The in-situ measurements for solar absorptance were carried out during irradiation.
在辐照过程中原位测量热控涂层的太阳吸收率参数。
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4. A simplified method to estimate the solar absorptance of a water pond is also presented.
文章还引入了一简化的水池吸收率的计算方法。
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5. The solar absorptance changed obviously, while the emittance has little change after irradiation.
材料辐照后太阳吸收率发生明显变化，而辐射率几乎不发生变化。
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6. 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。
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7. The solar absorptance is automatically calculated as the complimentary part, which is always the case for opaque samples.
太阳吸收率的自动计算出的是免费的部分，它总是此案不透明的样品。
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8. The emission intensity is given by the absorptance of the volume in which there is a difference of the quasi Fermi energies.
辐射强度由存在准费米能级差的体积的吸收率决定。
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9. Spectrally selective coatings for solar-thermal applications are optimised for a high solar absorptance and a low thermal emittance.
涂膜的光谱选择性光热产品应用是用于高太阳能吸收率的优化和低热通量密度。
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10. The laser calorimeter was employed to measure the absorptance of highly reflective dielectric coatings prepared by two different coating techniques.
测量了不同膜层设计、不同使用角度、不同镀膜技术镀制的全介质高反膜样品；
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11. This sphere serves as a diffuse light source, which enables measurements of the hemispherical reflectance, or the directional absorptance, respectively.
这个球作为扩散光源，使测量的半球形或定向吸收率的反射系数，分别使用。
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12. Spectral selective absorbing coating is a kind of special coating with high absorptance in vis-near infrared wavelength and high reflectance in infrared wavelength.
光谱选择性吸收涂层是一种具有对可见-近红外光高吸收、对红外光高反射的特种涂层。
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13. Via experiment, the noise absorptance of the noise-reduction box is 94.4%, temperature difference is reduced, and the noise-reduction box can be used for various medical air-compressors.
经试验该降噪箱对噪声的吸收率为94.4%，温差减小，各种医用空压机均可使用。
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14. Among these four species, the dark respiration rate was lowest and the water use efficiency was highest for L. communis, and the selected absorptance of mineral nutrients was strong in C.
香叶树的暗呼吸强度最低而水分利用效率最高，腊梅则对土壤矿质营养的选择性主动吸收能力最强。
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15. Among these four species, the dark respiration rate was lowest and the water use efficiency was highest for L. communis, and the selected absorptance of mineral nutrients was strong in C.
