1) emissivity
[英][,emi'siviti] [美][,ɛmə'sɪvətɪ]
辐射系数
1.
Experimental Study on Surfaces Emissivity of Cryogenic Devices;
低温装置材料表面辐射系数实验研究
2.
At the same time, we point out that the choice of λ 1 and λ 2 and the influence of emissivity of high temperature objects should be paid more attention on in designing fiber optic colorimetric pyrometer.
本文介绍了比色光纤高温计的测温原理和结构，分析了各种结构方案的优缺点，同时指出了设计比色光纤高温计要注意λ１、λ２的选择和高温物体的辐射系数影响。
3.
To avoid the problem of the emissivity of radiation,the method of local adjusting and technological control temperature is used.
它通过现场校准和工艺控制温度的方法,避开了确定辐射系数的难题。
2) radiation coefficient
辐射系数
1.
Novel radiation coefficient tester for protective fabrics;
新型防护织物热辐射系数测试仪
3) heat emissivity
热辐射系数
1.
A method of indirectly measuring the heat emissivity for alloys is presented in this paper.
利用悬浮试样在热平衡状态输入功率与能量耗散平衡,从而得到合金的高温热辐射系数。
4) radiation angle factor
辐射角系数
1.
By Monte Carlo method, the reflection and infrared radiation angle factors are calculated between spacesuit and spacecraft or earth when spacesuit is located at any position relative to the spacecraft or the earth.
采用蒙特卡罗(MonteCarlo)法,计算了航天服及飞船处于各种相对位置时,航天服对飞船的红外辐射角系数;航天服相对于地球位于各种位置时,航天服对地球的红外辐射角系数;在一定太阳照射方向下,飞船及地球对航天服的太阳反射角系数。
5) sound radiation coefficient
声辐射系数
6) radiant time series method
辐射系数法
1.
Principle of radiant time series method was precisely described and steps through which design air cooling design load calculations can be introduced.
简要介绍了辐射系数法的计算原理以及利用它计算空调设计负荷的步骤。
补充资料：自发辐射系数
分子式：
CAS号：
性质：又称自发辐射系数。单位时间内从高能级向低能级自发跃迁的原子数，与跃迁前处于高能级上的原子数之比。自发跃迁伴随有自发辐射。
CAS号：
性质：又称自发辐射系数。单位时间内从高能级向低能级自发跃迁的原子数，与跃迁前处于高能级上的原子数之比。自发跃迁伴随有自发辐射。
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