1) normal thermal emittance
法向发射率
1.
Five type graded Al-N/Al absorbing coatings with closer solar absorptane a and different normal thermal emittances εn around 0.
制备的五种多层铝一氮／铝吸收涂层，具有相近的高太阳吸收率，而法向发射率εｎ在０。
2) normal spectral emissivity
法向光谱发射率
1.
The Chinese operation software of the Normal spectral emissivity testing system with the VC~(++) have also completed.
阐述了采用"单光束比较辐射度量法"测量材料的法向光谱发射率的原理和系统设计方法;改进、设计制作了黑体炉、样品炉、斩波装置、扫描装置和A/D转换系统,用VC++完成了"法向光谱发射比测试系统中文操作软件"的编写;利用此系统测量了涂料样品的法向光谱发射率。
3) normal emittance
法向发射率，法向黑度
4) directional emissivity
方向发射率
1.
The optical constants (including the refractive index and the extinction coefficient) of some metals were numerically determined by applying experimental data of spectra reflectivity and the Kramers-Kronig relations and Fresnel reflect equation, and so the directional emissivity can then be calculated.
用红外光谱仪测定光洁金属表面反射率谱,再根据Kramers-Kronig积分式和Fresnel方程,计算出几种金属表面的折射率n(ω)和消光系数k(ω),然后使用n(ω),k(ω)和 Mcmahon关系式求出全波长方向发射率(0~90°)。
5) directional emittance
定向发射率
1.
A statistical model to calculate the directional emittance of the real surface is successfully built with the assumption that the real surface is formed by multiple Vgrooves whose walls slopes are taken to have a normal statistical distribution.
首先应用经典的电磁场理论对光学表面在远红外波段的定向发射率进行了计算，然后将实际表面模化为由各种不同倾角的Ｖ槽按正态分布随机组成的表面。
6) normal emittance
法向发射度
补充资料：火焰光度法(见原子发射光谱法)
火焰光度法(见原子发射光谱法)
火焰光度法见原子发射光讼法.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条