1) transition probability of spontaneous radiation
自发辐射系数
2) spontaneous emission
自发辐射
1.
Enhancement and suppression of the spontaneous emission of a two-level atom in a photonic crystal with a state-conservative photonic pseudogap;
具有态守恒赝隙的光子晶体中两能级原子自发辐射的增强与抑制
2.
Affects of loss and spontaneous emission to output characteristics of on Yb~(3+)-doped double-clad fiber lasers;
光纤损耗和自发辐射对掺镱双包层光纤激光器的影响
3.
spontaneous emission of free electron laser with an electrostatic wiggler;
静电摇摆器自由电子激光的自发辐射
3) spontaneous radiation
自发辐射
1.
The quantum coherent control of spontaneous radiation in four level systems;
四能级系统中自发辐射谱线的量子相干控制
2.
The spontaneous radiation of a Vaidya-Bonner black hole;
Vaidya-Bonner黑洞的自发辐射
3.
The energy condition for the occurrence of the spontaneous radiation is obtained.
给出了带电蒸发黑洞发生自发辐射的能量条
4) spantaneous emission
自发辐射
1.
The spantaneous emission of an electron in a magnetostatic field produced by current-carrying linear wire is investigated and an expression for the emission spectrum is obtained.
根据电子在长直载流导线磁场中的运动和相对论性电子产生辐射的一般规律，计算并分析了电子在这种磁场中运动所产生的自发辐射强度分布，最后的结果中包含一个重要因子sin2η，正是它把自由电子的自发辐射与受激辐射联系起来了。
2.
The spantaneous emission spectrum of the novel wiggler freeelectron is obtained by means of the general Bessel functions.
Ｐｉｎｈａｓ工作的基础上，利用广义Ｂｅｓｅｌ函数计算了电子在这种摆动器中运动产生的自发辐射强度分布，得到了一个较普遍的自发辐射谱表达式。
3.
The spantaneous emission spectrum of an electron in a wiggler field produced by current—carrying linear wire is investigated and the relationship between spantaneous emission and stimulated radiation in this kind of field is derived by means of a single - particle approach.
根据经典辐射理论计算出电子在线电流摇摆场中运动产生的自发辐射强度分布；利用单粒子理论推导了自发辐射与受激辐射的关系；利用这种关系求出了电子在线电流摇摆场中运动产生自由电子激光的小信号增益。
5) 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
6) 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。
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