Because calculations and lab experiments replicating the Venusian surface and atmosphere show that emissivity decreases over time, emissivity can be an important indicator of a substance's age.
同时因为计算与实验室的实验复制的金星地表与大气层的活动，表明辐射率一直在下降，所以辐射率能够成为某个地质年代的一个重要指标。
The influence of the diameter of the absorber, wind speed and the emissivity of the absorber surface on the equilibrium temperature have been discussed.
讨论了吸收器直径、风速和吸收表面发射率对平衡温度的影响。
Three-wavelength pyrometer can eliminate the effect of emissivity in the radiation temperature measurement, for example, measuring the surface temperature of a polished metal.
三波长辐射温度计能消除发射率对测温的影响，尤其是对抛光表面的测温。
Temperature and surface emissivity are the two factors that determine the IR radiant intensity of an object.
影响目标红外辐射亮度有两个因素：表面温度和发射率。
Theoretical calculations of the emissivity of material surface were shown that the emissivity of material surface decreases with the temperature increases.
通过理论计算推导出材料表面发射率随温度的变化趋势，结果表明，材料表面的发射率是随着温度的升高而降低。
The specular reflection pyrometer has the advantages of decrease the influence of surface emissivity on temperature measurement, but the short continuous working duration limits its application.
镜面反射式高温计具有能减少被测表面发射率影响的优点，但它的连续工作时间短，限制了应用。
Based on single channel double colour principle, it overcomes the interference of emissivity of object surface and other factors on temperature measuring precision.
用单通道实现比色成像，可明显地降低物体表面发射率及其它因素对测温精度的影响。
With these measured emissivity spectra, all of the mainstream thermal infrared remote sensors can be calibrated using Dunhuang Gobi surface at radiometric calibration site of China.
利用该发射率光谱测量结果，可以在敦煌戈壁——中国遥感卫星辐射校正陆面场， 对目前国内外主流的遥感卫星热红外通道进行在轨场地绝对辐射定标。
Under the condition of radiative equilibrium, this paper examines the effects of surface emissivity and scattering albedo on radiative heat flux and temperature fields.
在辐射平衡的情况下，考察了表面发射率和散射反照率对介质内辐射热流和温度场的影响。
The measurement of the total emissivity of a solid surface in the black cavity which is immersed in liquid nitrogen and under high vacuum (10-6 torr) by steady caloric method is described.
本文提出了一个真空度为10~（-6）毫米汞柱，黑体腔四周浸泡在液氮中的固体的表面热辐射率的测定方法。
The uncertainty of surface emissivity influences directly the efficiency of satellite radiance assimilation in numerical weather prediction model.
地表比辐射率计算的不确定性，直接影响到卫星资料在数值预报中同化应用的效果。
We developed a sea surface emissivity model and atmospheric model for special frequencies and incidence angles of RAD.
针对神舟四号飞船微波辐射计（RAD）特殊入射角、频率的特点，开发了海面和大气参数的反演算法。
Effect of furnace wall emissivity on surface heat flux of heated stock is analyzed for direct firing furnace and indirect heating furnace.
分析了炉壁黑度对炉膛辐射换热流的影响，分别对火焰直接加热炉和间接加热炉进行了讨论。
Based on the normal emissivity characteristics of measured surface, the mathematical model is simplified, and the formula of temperature measurement using infrared imager is obtained.
基于物体表面法向发射率的特点，简化了热像仪测温的数学模型，得到了红外热像仪测温的计算公式。
A method for measurement of surface emissivity and temperature of terrestrial objects is presented.
本文提出一种测量常温地物比辐射率和表面温度的方法。
Simultaneously, due to the addition of the additives, the invention reduces the surface activity of particles, so that the low-emissivity powder can be dispersed in the matrix polymer more uniformly.
同时，添加剂的加入降低了微粒的表面活性，使低发射率粉体能更均匀地分散在基体聚合物中。
Simultaneously, due to the addition of the additives, the invention reduces the surface activity of particles, so that the low-emissivity powder can be dispersed in the matrix polymer more uniformly.
同时，添加剂的加入降低了微粒的表面活性，使低发射率粉体能更均匀地分散在基体聚合物中。
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