因此，发生第一激发态跃迁时，将发生分子间电子转移，从而引起荧光猝灭效应。
It suggests that intermolecular electron transfer occurs during the transition of the first excited state, which results in the fluorescence quenching effect.
这将使分子跃迁到另一个激发态，从中我们可以用另一种激光，把它分成两个原子。
This excites the molecule into another excited state, from which we can, with another laser light, break it down into two atoms.
FASPB作为一种阿秒超快调制过程，从理论上说它可以扩展到任何两偶极禁戒跃迁激发态的能级和系统。
As an attosecond ultrafast modulation process, FASPB can be intrinsically extended to any level-summation systems of two dipolar forbidden excited states.
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.
压力实验结果还表明大量子点的第一激发态发光峰来源于电子的第一激发态到空穴的第一激发态的跃迁。
The pressure experiments suggest that the excited state emissions originate from the optical transitions between the first excited electron states and the first excited hole states.
计算了此两种氨基酸从基态到最低激发态的跃迁能。
The transition energy from the ground state to the lowest excited state of these two amino acids is also calculated.
计算了此两种氨基酸从基态到最低激发态的跃迁能。
The transition energy from the ground state to the lowest excited state of these two amino acids has also been calculated.
在PM3/CIS水平上计算了它们的电子光谱，得到了由基态到各激发态的垂直跃迁能和相应的振子强度。
At PM3/CIS level, the vertical excitation spectra were calculated and the vertical excitation energies and corresponding oscillator strength from the ground states to the excited states are obtained.
以蒽-卟啉-蒽分子为例，从激发态之间的跃迁密度分析发现，分子内电荷转移过程可以极大地增强三光子吸收。
Taking anthracene-porphyrin-anthracene triads as example, we found that the intra-molecular charge transfer process can largely enhance the three-photon absorption cross-section.
以蒽-卟啉-蒽分子为例，从激发态之间的跃迁密度分析发现，分子内电荷转移过程可以极大地增强三光子吸收。
Taking anthracene-porphyrin-anthracene triads as example, we found that the intra-molecular charge transfer process can largely enhance the three-photon absorption cross-section.
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