英语释义

1. the relative power of a surface to emit heat by radiation the ratio of the radiant energy emitted by a surface to that emitted by a blackbody at the same temperature

片语

normal emissivity正常发射率

broadband emissivity宽带发射率

skin emissivity表面发射率

emissivity paint辐射涂料

total emissivity总辐射率

electron emissivity电子发射率

radiation emissivity辐射发射率

photoelectric emissivity光电发射率

surface emissivity表面发射率，表面发射系数

directional emissivity定向发射率

英汉例句

• as-for the thermal infrared band, the thermal emissivity is the major factor of surface complexity.

  在热红外方面，红外发射率差异是地表复杂性的表现之一。

• the use of metallised fabrics is sometimes proposed to reduce the emissivity of a fabric .

  不时地有人建议采用镀有金属膜的织物以减少织物的发射率。

• based on the local thermal equilibrium and component effective emissivity concept the radiant model of continuous vegetation has been studied.

  论文基于局地热平衡条件和组分有效发射率概念探讨了连续植被的热辐射方向性模型。

• a kind of infrared coating on metallic substrate with a high emissivity up to 1200℃ was developed.

  研制成一种涂在金属基体上，能在1200℃下工作，具有高发射率的红外涂料。

• easy camera controls, including emissivity & reflective temperature settings to help you troubleshoot with accuracy & confidence.

  简单的相机控制，包括发射及反射温度设定，以帮助您解决与準确性和信心。

• the emissivity of condensed-phase product particles was corrected by using impact factor of particle size.

  利用粒径影响因子对闪光剂燃烧产物中凝聚相粒子的发射率进行了修正。

• one way is to measure a cell that behaves similarly with a point and shoot emissivity temperature reader.

  其中的一个方法是测量行为类似于针对某个点的单元，并记录辐射率温度读取器。

• 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。

• from two points, low emissivity coating of the aluminum and the ito and phase change microcapsule as the decreased temperature were prepared.

  从这两点出发，重点研究了低发射涂层铝粉、ito粉和降温涂料相变微胶囊的制备。

• the experimental results show that the above-mentioned method can solve the true temperature and spectral emissivity measurement of most engineering materials.

  实验结果表明，该方法可以解决绝大多数工程材料的目标真温及光谱发射率的测量问题。

• to avoid the problem of the emissivity of radiation, the method of local adjusting and technological control temperature is used.

  它通过现场校準和工艺控制温度的方法，避开了确定辐射系数的难题。

• it showed that the nature of substrate and the thickness of the film were important to the emissivity .

  结果表明，基板选择和薄膜厚度是影响发射率的重要因素。

• key problems on energy saving of high emissivity coating at middle temperature are discussed.

  本文论述高发射率涂料在中温下使用，节能的若干关键问题。

• infrared emissivity is one nature of substance, low infrared emissivity materials have extensive applications in both civil and military field.

  红外发射率是物性之一，低红外发射率材料无论是在民用还是在军事方面均有着十分广泛的用途。

• 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。

• a new method called rectangular-region approximation is developed to calculate the effective emissivity distribution in blackbody cavity.

  文中提出一种计算黑体空腔有效发射率分布的新方法——矩形区域近似法。

• 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。

• the scientists believe that the lava flows have such a high emissivity because they are fresh — no more than 250 years to 2.5 million years old.

  科学家认为熔巖流之所以具有这么高的辐射率，是因为它们是‘新鲜的’——至少不超过250年至250万年。

• 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。

• smrekar’s follow-up work will include deeper analyses of the anomalies seen in the emissivity data, but she noted that such work is hampered by limited and outdated data.

  斯姆雷卡尔后续的研究工作将包括更深入地分析辐射率数据中观察到的异常，不过她指出这些工作被有限的以及过时的数据限制了。

• 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。

• the relationship between the emissivity and wavelength of the flame was linearly fitted at three points in turn and optimized by ga to obtain the temperature and the emissivities of the flame.

  该方法对火焰发射率与波长的关系依次进行了三点直线拟合，并通过遗传算法进行了优化，从而得到了发光火焰的温度和发射率。

• a formula for calculating the uncertainty of the effective emissivity of a diffusecylindrical cavity is deduced by using the theory of general error propagation.

  运用广义的误差传递理论，推导了漫射圆筒型腔体有效发射率不确定度的计算公式；

• by experiment, we proved that it is one of efficient method for spectral emissivity measurement.

  经实验验证这是一种有效的发射率测量方法。