The basic state of carbene is singlet or triplet.
卡宾的基态有单线态和三线态两种状态。
Besides, the ratio of the absorption coefficients between singlet states and singlet-triplet states, and that of probability of collision energy-transfer were measured.
此外还测定了单重态和单-三重态间的吸收系数之比以及能级间的碰撞转移几率之比。
We have used the perturbation theory to calculate the energy bands of the bipolaron and the free-polaron, in order to investigate the stabilities of the singlet and the triplet bipolaron states.
应用微扰理论计算了双极化子和自由极化子的能带，以能带结构讨论了单重态和三重态双极化子的稳定性。
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。
The advantage of phosphorescent materials is that they can utilize both singlet and triplet exciton states which can reach 100% internal quantum efficiency theoretically.
磷光材料在发光过程中可以利用单线态和三线态激子，理论上内量子效率达到100%，这类材料的使用成为提高器件效率的主要途径之一。
The results show that the magnetic field can effectively change the relative ratio between the singlet and the triplet polaron pairs, resulting in an increase in the density of the free carriers.
从聚合物光电池中光电流和暗电流的产生机制出发，对该现象进行了解释，认为外加磁场可以有效改变单重态极化子对和三重态极化子对之间的相对比例，进而使自由载流子浓度增加。
These stimulated lines are from radiative transitions between singlet states, triplet states and singlet-triplet states respectively.
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。
Though the energy spectra of the singlet and triplet excitations are degenerate, their transport properties are quite different.
尽管自旋单态激发和自旋三态激发简并，但是它们的持续流谱已经被明确地证实是完全不同的。
Also, the excited triplet state, once populated, is about 2 times more efficient in the formation of the colored form than the excited singlet state.
而且，一旦生成激发三线态，它的光化学活性大约比激发单线态大2倍。
The entrance channel of the C-H bond activation step involves the spin cross between the singlet and triplet potential energy profiles.
C-H键活化步骤涉及势能面交叉，且自旋交叉与动力学相关。
The entrance channel of the C-H bond activation step involves the spin cross between the singlet and triplet potential energy profiles.
C-H键活化步骤涉及势能面交叉，且自旋交叉与动力学相关。
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