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1)  emissivity [英][,emi'siviti]  [美][,ɛmə'sɪvətɪ]
发射率,比辐射率
2)  specific radiance
比辐射率
1.
Precise measurement instrument for temperature and specific radiance using lasers and pyroelectric detector in real-time;
利用激光并采用热释电探测器实时测量比辐射率及温度的系统
2.
Precise measurement instrument for temperature and specific radiance of high temperature object using laser and standard heat noise radiating source and 8031 chip microprocessor;
高温物体比辐射率及温度测量系统
3.
An intelligent measurement instrument of specific radiance and temperature of hightempera ture object using laser in real time;
利用激光实时测量高温物体比辐射率及温度的系统
3)  emissivity [英][,emi'siviti]  [美][,ɛmə'sɪvətɪ]
比辐射率
1.
The Retrieval of Land Surface Temperature and Emissivity byRemote Sensing Data: Theory and Digital Simulation;
遥测地表温度与比辐射率的迭代反演方法──理论推导与数值模拟
2.
The macro fractal characterization of the rough surface with low emissivity and high diffuse reflectance is analyzed by DFBIR model, and the macro fractal dimension is calculated by using SEM topography and graphic processing system S600.
采用 DFBIR模型分析了热红外低比辐射率高漫反射比粗糙表面的宏观分维特性 ,利用 SEM表面形貌图和图像处理系统 S60 0计算了宏观分维数 。
3.
The target temperature obtained using the infra-red method is a function of its emissivity ε.
用红外方法获得的目标温度是其比辐射率ε的函数。
4)  radiation emissivity
辐射发射率
1.
This paper presents a new method which can be used to measure material radiation emissivity,gives a theory formulation,experimental data,and a discussion of the results.
构思了一种用光学椭球测物体辐射发射率ε的设想 ,在理论上给出了ε的表达式。
5)  emissivity [英][,emi'siviti]  [美][,ɛmə'sɪvətɪ]
发射率,辐射率
6)  the spontaneous emission rate
自发辐射率
1.
The formulas of the quantum electrodynamics are applied to calculate the spontaneous emission rate of high-excited atoms in a cavity sandwiched by two semi-infinite dielectric slabs.
研究了半无限大介质板夹层对空腔中激发态原子的自发辐射率的影响。
2.
Quantum electrodynamics formulas are applied to calculate the spontaneous emission rate of an excited atom in the vicinity of a perfect reflecting mirror.
利用腔量子电动力学计算了原子在全反射镜面附近的自发辐射率。
补充资料:发射率
分子式:
CAS号:

性质:物体的辐射能力与相同温度下黑体的辐射能力之比称为该物体的发射率或黑度。这是针对所有波长而言的,因此应称为全发射率,通常就简称为发射率。实际物体的发射率与物体的表面状态(包括物体表面温度、表面粗糙度以及表面氧化层、表面杂质或涂层的存在)有关。金属的发射率随表面温度的上升而增大,而非金属的发射率一般是随表面温度的上升而减小。金属的发射率比非金属的小得多。

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