First Excited State

With the basic Boltzmann equation and the improved Boltzmann equation , the high energy electron distributions , whose energy is larger than the first excited state energy ( 11.56eV ), are calculated in argons pumped by electron beam .

利用Boltzmann基本方程和改进的Boltzmann方程，对电子束泵浦氩中能量大于氩原子第一激发态能量（11.56eV）的高能电子分布函数进行了理论计算。

The results make sure that the first excited state of 13C is the one-neutron halo state .

结果证实13C的第一激发态为单中子晕核态，首次从实验上证实在B稳定线上存在激发的晕核态。

The energy gap between the ground state and the first excited state is also investigated .

我们也调查了系统基态和第一激发态的能隙情况。

Variational calculation of the first excited state energy of the lithium-like atom

锂原子第一激发态能量的变分计算

AMPAC Theoretical Calculations of Ground State and first Excited State of Saturated Amines

采用AMPAC方法关于饱和胺的基态和第一电子激发态分子构型理论计算

If you have benzene , for example , the lowest electronic state , is quite far below the first excited state .

比如苯环，也就是最低电子态，远低于第一激发态。

Study on Calculation for the Fast-precession Angular Velocity C , Si , Ca Atoms Under the First Excited State

C，Si，Ca原子第1激发态下快旋进角速度的计算

In the visible light region , the maximal one-photon absorption strengths of the molecules occur in the first excited state .

在低能量范围内，对于D-π-A型分子，分子的单光子吸收强度和双光子吸收截面最大值都发生在分子的第一激发态。

The elastic electron scattering process on the first excited state of 17 F is studied with the RMF model and Eikonal approximation .

用相对论平均场理论和Eikonal近似研究了质子晕核17F的第一激发态的电子弹性散射过程。

Using variational method , the electron-phonon interaction energy of polaron at ground state and the first excited state in a rectangular quantum wire were studied .

研究了矩形量子线中极化子基态和第一激发态的性质.采用在有效质量近似下的变分变换方法导出了在基态和第一激发态时电子&LO声子之间相互作用能。

On this basis , the first excited state electronic transition energy has been calculated using time-dependent density function theory , and λ _ ( max ) is obtained .

在此基础上使用含时密度泛函理论方法计算了分子第一激发态的电子垂直跃迁能，得到最大吸收波长λmax。

It is likely that the sideband originates from the transition of the local vibrational mode of carbon from the first excited state to the second excited state .

该边带可能起因于C受主LVM第一激发态向第二激发态的跃迁。

We find that all the energy levels are non-degenerate and the original first excited state or energy level disappears because of the operation of symmetry or antisymmetry of identical particles .

我们发现所有能级都是非简并的，而且原本应该存在的第一激发态能级因为对称性或反对称性消失了。

If the system is of the first excited state , the system is in a way of decay with time or in a way of periodic oscillation with a main period of2.3 years in certain conditions of the system .

当系统处于第一激发态时，系统运动呈随时间衰减的形式；在一定条件下则为周期振荡，主周期长度为2.3年。

The emission cross sections of Tm 3 + , Yb 3 + and Er 3 + ions from the first excited state to the ground state were calculated in this way . The results indicated that the method is practical .

计算了氟化物玻璃中稀土离子Tm3+、Yb3+和Er3+第一激发态的发射截面，其结果表明这种方法是很实用的。

The results show that in the visible light region , the maximal one-photon absorption strength of the molecule occurs in the first excited state , while the two-photon absorption cross section mainly appears in the second and forth excited states .

研究结果表明，在低能量范围内，分子的单光子吸收主要发生在分子的第一激发态，而分子的双光子吸收主要发生在分子的第二和第四激发态上。

It is also shown that in an appropriate scope , the intersubband transition from the ground state to first excited state ( E1 → E2 ) has the strong oscillator strength , and these theoretical results are dependent on QD sizes .

在合适的范围内，基态向第一激发态的子带跃迁具有很强的振子强度，并且依赖量子点的尺寸大小。

By using the vector model of spin-orbit coupling and related experimental data , it was studied the fast-precession angular velocity of C , Si , Ca atoms under the first excited state and it was presented a practical formula of the fast-precession angular velocity .

借助于LS耦合的矢量模型及相关实验数据，对第1激发态下C，Si，Ca原子的快旋进角速度进行了研究，给出了计算其快旋进角速度的实用表达式。

Structure and Potential Energy Function for the Ground State and the First Excited Singlet State of ~ ( 14 ) NH Radical

~（14）NH自由基基态与第一激发单重态的结构与势能函数

Resonant Multiphoton Ionization Spectra of M-Cresol and Cresols in the First Electronic Excited State

甲苯酚第一激发态的共振多光子电离谱

, fluorescence quantum yield φ, and total n electronic energy difference between ground state and the first excited singlet state : vF .

荧光量子产率φ与基态、第一激发单重态间的π电子能量差（Eg~π&Ee~π）存在着以下的关系：上述F。

In the limit of weak coupling , the coupling constants , the energies of the ground state and the first internal excited state of the polaron are calculated for several mixed crystals with different composition x of the mixed crystals A_xB_ ( 1-x ) C.

在弱耦合的情况下分别对几种不同的混晶材料AxB（1-z）C进行了计算，计算出极化子的藕合常数，基态以及第一激发态能量随组分x变化的一系列值；

Potential energy curves of enantiotropy reactions in the ground state , the first singlet and the first triplet excited state were calculated by changing on-off bond-length of fulgides point by point .

计算结果表明，俘精酸酐分子在基态时，由于势能面不能重叠而不能发生变色反应；