1)emissivity[英][,emi'siviti][美][,?m?'s?v?t?]发射率
1.Relationship between emissivity and thickness of infrared composite ceramic coatings with high emissivity;红外高发射陶瓷涂层发射率与厚度关系
2.Study on synthesis of low emissivity acrylic resins;低发射率羟基丙烯酸树脂的合成
3.Method to determine index of emissivity difference between spots of pattern painting;确定迷彩斑点间发射率差指标的方法
英文短句/例句
1.At 10 um the emissivity of the sky is about 0.1, whereas for a conventional telescope it is 0.5.在10微米处，天空的发射率约为0．1，而一架普通望远镜的发射率为0．5。
2.The ratio of the radiation emitted by a surface to the radiation emitted by a blackbody at the same temperature.发射率在同一温度下一表面发射的辐射量与一黑体发射的辐射量的比例
3.Measuring method for normal total emittance of infrared heaterGB/T7287.9-1987红外辐射加热器全法向发射率测量方法
4.Study on Preparation and Performance of High Emissivity Infrared Radiant Ceramics;高发射率红外辐射陶瓷制备与性能研究
5.Preparation and Study of Infrared Radiation Coating with High Emissivity at High Temperature;高温高发射率红外辐射涂层的制备与研究
6.Comparison of Monostatic Signal Processing in Blackbody Emissivity Measurement黑体发射率单站散射测量数据处理方法比较
7.Study of the Calibration Hot Target for Spaceborne Microwave Radiometer and the Testing of Emissivity星载微波辐射计定标热源及其发射率测试研究
8.The Development of Emissivity On-line Measurement Device Based on Front Reflection前置反射式发射率在线测量装置的研制
9.THE STUDY ON THE MEASUREMENT OF TOTAL HEMISFHERICAL EMITTANCE AND DIRECTIONAL ABSORPTANCE半球向全发射率和定向吸收率的测试研究
10.In the solar and near infrared region it is more usual to speak of absorptivity than emissivity.在日射和近红外区段内，讨论吸收率比讨论发射率更为普遍。
11.underwater emission-and direction frequencies水下发射和定向频率
12.color TV high power transmitter大功率彩色电视发射机
13.output power of sound transmitter伴音发射机输出功率
14.output power of the TV transmitter电视发射机输出功率
15.frequency tolerance of radio transmitter无线电发射机频率容限
16.output power of vision transmitter图像发射机输出功率
17.emission beam angle between half power points半功率点间的发射束角
18.The Research on High Power and High Speed Transmitter of the Free Space Laser Communication;高功率高速率FSLC发射单元的研究
相关短句/例句
emittance[i'mit?ns]发射率
1.Development of Emittance Variable Thermo-Controllable Coatings;发射率可调型智能热控涂层的发展现状
2.Transient Calorimetric Technique for Measuring Total Hemispherical Emittance of Coatings;瞬态卡计法测定涂层的半球总发射率
3.Computation Mmodel of the Thermal Infrared Emittance of a Coating;涂层的热红外发射率计算模型
3)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。
4)high emissivity高发射率
5)Acoustic emission rate声发射率
6)Low emissivity低发射率
延伸阅读
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。
