同时还计算了跃迁辐射波长、振子强度和跃迁率。
The wavelengths, oscillator strengths and radiation rates are also calculated.
所以，在1967年，SI采用了一个更为精确的制定办法，该办法基于一个铯原子在两个能级之间跃迁时的辐射频率。
Thus, in 1967, SI adopted a more precise definition based on the frequency of the radiation a caesium atom emits when it flips between two energy states.
禁戒跃迁指的是选择定则所不容许的偶极辐射跃迁。
Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.
本文利用量子力学的宇称理论和角动量理论，对原子物理学中所熟知的电偶极辐射的跃迁选择定则进行了理论探讨。
In this paper, we discussed the transition selection rule of electrical dipole radiation in atom physics by the parity theory and angular momentum theory in quantum.
上述这些宏观性质，可以从原子分子结构，辐射跃迁几率和原子间相互作用势等基本参数求出。
All of the above macroscopic properties can be calculated from the basic informations about the atomic and molecular structures, radiation transition probabilities and interatomic potentials.
本文通过对波函数、原子能量、辐射跃迁等方面的讨论，分析了原子结构壳层模型的近似性。
The approximation of the shell model in atomic structure had been assayed with discussion about the wave funtion, atomic energy and the radiant transition in this paper.
本文用考虑了相对论修正的势模型计算重夸克偶素的能谱、轻子宽度和辐射跃迁宽度。
Using a potential model with relativistic correction we evaluated the spectrum, lepton decay widths and radiative transition widths of heavy quarkonium systems.
以往的激光器是由束缚电子的能级跃迁而产生相干辐射的。
The generation of the coherent radiation in a conventional laser results from the transitions between the quantum states of the electrons, which are attached to the atoms.
使用平均原子模型研究了电四极及更高阶跃迁对高温稠密金等离子体辐射不透明度的贡献。
The contributions of the multipole transitions to the opacity of hot and dense plasmas of gold are taken into account by using an average-atom model.
计算了相关态的振子强度和辐射跃迁率。
The oscillator strengths and radiation transition rates are also calculated.
本文详细计算了辐射跃迁几率、无辐射跃迁几率、交叉弛豫几率和其他光谱参数。
In this paper, the radiative transition probability, non-radiative transition probability, cross relaxation probability and other spectral parameters are calculated in detail.
由于钕离子进入低声子能量的氟化物中，无辐射跃迁损失小，氟氧化物玻璃基质的量子效率高于氧化物玻璃基质的量子效率。
Nd3 + enters into fluoride with the low phonon energy, so the loss of irradiation transitions deduces, the quantum efficiency of oxy-fluoride glass is higher than that of oxide glass.
从原子能级跃迁的角度，分析了低压汞灯的光子的产生过程，说明了辐射禁锢效应的概念。
The concept of radiation effects of detention was explained and photon produce process of low-pressure mercury was uras analyzed, from the perspestive of atomic energy level transition.
分析表明，同位素替代改变了晶格振动的频谱，对无辐射跃迁产生很大的影响。
It has been shown that the isotope substitution changes the spectrum of lattice vibration, and brings forth a great influence on the non-radiative transition.
这些受激辐射分别来自单重态的跃迁、三重态间的跃迁以及单-三重态间的辐射跃迁。
These stimulated lines are from radiative transitions between singlet states, triplet states and singlet-triplet states respectively.
计算了相关态的振子强度和辐射跃迁率。
The oscillator strength and radiation rates are also calculated.
通过实验表明磷酸盐玻璃在制备过程中引进的水，与无辐射跃迁速率的增加有直接的关系。
Experimental research indicates that the water introduced during the preparation of phosphate glasses is directly responsible for the enhancement of nonradiative transition probability.
也给出了辐射和无辐射跃迁几率对温度的关系以及浓度猝灭和温度猝灭曲线。
The dependence of radiative and nonradiative transition probability on the temperature is discussed, and the curve of concentration quench and temperature quench is given.
采用原子蒸气束激光诱导荧光法测量钆原子的第一激发态的同位素位移及超精细结构、原子跃迁自发辐射的分支比和原子蒸气束的多普勒宽度。
The isotope shifts, hyperfine structure, spontaneous emission branch ratio of the first excited level and Doppler width of the atom vapor beam were measured using laser induced fluorescence.
虽然硅是一种非直接跃迁半导体，但它的发光机制同样服从于直接跃迁半导体的广义普朗克辐射定律。
Although silicon is an indirect semiconductor, light emission from silicon is governed by the same generalized Planck's radiation law as the emission from direct semiconductors.
利用多声子辐射和无辐射跃迁理论，讨论了实验结果。
The experimental results are analysed by means of the theory of multi-phonon radiative and non-radiative transitions.
利用多声子辐射和无辐射跃迁理论，讨论了实验结果。
The experimental results are analysed by means of the theory of multi-phonon radiative and non-radiative transitions.
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