The delay time ought to be smaller than the lifetime of the excited molecule in the practical use of the OODR-MPI technique.
探测光相对于抽运光的延迟时间越大，离化效率越低，实用中应控制延迟时间远小于受激分子的自发辐射寿命。
This excites the molecule into another excited state, from which we can, with another laser light, break it down into two atoms.
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 molecule was suspected to play a role in fibromyalgia because previous studies had shown that some brain regions in fibromyalgia patients appear to be highly excited.
这种分子被怀疑在纤维肌痛中起作用，因为先前的研究已经显示纤维肌痛患者的大脑许多区域呈现高度兴奋。
The added energy of the photon boosts the energy condition of the molecule from a stable state to a less-stable excited state.
光子吸收的能量激发了分子中的能量条件，使其从稳定态转入不稳定不兴奋态。
The electronic properties of the molecule are calculated using the B3LYP functional while excited singlet and triplet states are examined using TD-B3LYP.
用B3LYP方法计算了分子的电子性质，用TD-B3LYP方法计算了单重激发态和三重激发态能量。
Then, a new analytical potential energy function of diatomic molecule is proposed based on the ECM and applied to some electronic ground states and excited states of diatomic molecules.
在创立能量自洽法的基础上提出了一种新的双原子分子解析势能函数—ECM势，并将其运用到一些双原子分子的电子基态和激发态。
We report here briefly the principle and the device of our single-molecule detection spectrometer based on two-photon excited fluorescence.
介绍采用双光子激发荧光方法进行单分子探测的原理和自行研制的实验装置，激发光聚焦和荧光收集采用共焦方式。
The twisted conformation was favorable for luminescence, and the excited coplanar molecule could relax to the twisted conformation.
扭曲构象为较好的发光构象。分子受激后，平面构象可经旋转松弛到扭曲构象。
The excited O_2 molecule oxidizes a free radical in the solvent.
受激态的氧分子氧化溶剂中的自由基。
The excited O_2 molecule oxidizes a free radical in the solvent.
受激态的氧分子氧化溶剂中的自由基。
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