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件。
Atom's motivated state in not stable, it inevitably disintegrate into the lower energy state, which makes the phenomenon of the spontaneous radiation.
原子激发态是不稳定的，其必然会自发地向低能级衰变，产生自发辐射现象。
We prepared broadband source of transducer system in fiber grating by analyzing characteristics of amplification spontaneous radiation spectrum and LD drive in erbium doped fiber.
通过对掺铒光纤放大自发辐射谱特性和LD驱动电路的分析，最终研制出用于光纤光栅传感系统的宽带光源。
The results indicate that the reason of the asymmetry is from the shorter peak wavelength of the spontaneous radiation than the gain peak wavelength. The experiment confirmed the t...
结果表明，这种非对称分布可以认为是由于自发辐射峰值波长短于增益峰值波长所造成的。
Numerical results show how the intensity of emitted light varies from the spontaneous radiation, which undergoes amplification by small-signal gain, to the steady output due to the saturation effect.
结果显示了随机激光器中辐射光能量从自发辐射开始，经历小信号增益状态得到放大，再到由于增益饱和形成稳态输出的整个演化过程；
The total infrared radiation was divided into the spontaneous emission and the reflection radiation, and the formulas for spontaneous and reflection radiant intensity were given respectively.
将总红外辐射分解为自发辐射和反射辐射两部分，分别给出了计算自发辐射强度和反射辐射强度的计算式。
We have derived the formulas of harmonic spontaneous emission power density, small signal gain of this undulator FEL and the coupling coefficients between the electrons and the radiation field.
导出了这种新型摇摆场结构自由电子激光高次谐波的自发辐射功率密度和小信号增益公式。以及电子与辐射场的耦合系数的表达式。
Objective To establish spontaneous and transplanting tumor models in the radiation resistant IRM-2 inbred mouse.
目的建立IRM— 2小鼠自发性肿瘤模型和移植性肿瘤模型，为肿瘤研究提供实验模型。
Objective To establish spontaneous and transplanting tumor models in the radiation resistant IRM-2 inbred mouse.
目的建立IRM— 2小鼠自发性肿瘤模型和移植性肿瘤模型，为肿瘤研究提供实验模型。
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