查询词典 splittings

The effects of the relativistic corrections on the hyperfine splittings of quarkonium states are discussed, and a good fit to the available experimental data is obtained on heavy quarkonium mass spectra.

所得结果与实验上肯定的数据很好地符合。

From theoretical analyses and calculations, it has been confirmed that the local strains around Cr〓 in SrTiO〓: Cr〓 are about twice the bulk ones. It is found that the change of Dq〓 with pressure makes main contribution to PS of ground-state g factor of SrTiO〓: Cr〓. It is the admixtures of basic wave functions that cause the strain-induced splittings of t〓E and t〓A〓 levels of SrTiO〓: Cr〓. It is found that there are non-vanishing matrix elements of operators C , C and C between wave functions with positive M〓 and those with negative M〓 and the shortcomings in previous literature have been overcome.

通过微观理论分析与计算，证实了SrTiO〓：Cr〓中Cr〓周围的局域应变大约为整体应变的两倍；阐明了基态g因子随压力的变化主要来源于Dq〓的变化；发现波函数的混合对单轴压力导致的SrTiO〓：Cr〓t〓E和t〓A〓态的分裂是至关重要的；C、C和C算符在Ms为正的波函数与M〓为负的波函数之间的矩阵元不为零，纠正了过去文献对此的错误处理。

Because the rate of ET and HT reactions is determined by the coupling term J, and in long range ET and HT systems the degeneracy of the π orbitals of donor and acceptor is lifted through mixing with the bridge orbitals of appropriate symmetry by an amount △E. Because the △E splittings are proportional to electronic coupling, so we can use the static quantity △E to exploring the dynamic quantity J, and to make a detailed study on the microscopic influence of coupling mechanism in ET and HT process.

由于电子转移和空穴转移反应速率的大小决定于反应的耦合因子，在长程电子转移和空穴转移体系中，给体和受体的简并π轨道由于与饱和桥之间的TB作用而产生一定的分裂能，此分裂能又与耦合因子的数值成正比，因此，我们可以用静态的分裂能数值间接地表征动态的耦合因子，从而详细研究电子转移和空穴转移过程中耦合机理的微观影响因素。

In our group, metalloporphyrins are found as useful phosphorescent probe to investigate biomolecules such as DNA, RNA, protein and so on. The splittings appearing in the excitation spectra indicate the characteristics of exitonic coupling.

近几年该课题组开展了以金属卟啉室温磷光作为探针的分析应用研究，已经发现在生物介质如DNA、RNA、蛋白质等介导下，卟啉室温磷光激发光谱发生分裂，表现出强烈的激子耦合特征。

Especially in the NIR region,the luminescent properties are special:the emission spectra have difference from the theoretical values and some reported complexes,that is,the characteristic f-f emission bands of Ln~(3+) ions present obvious shifts,broad and splittings.

特别是在近红外区的发光具有特殊性；得到了一些与理论值及文献报道相比较有明显差异的发射光谱，即Ln~(3+)的特征f-f发射带产生了明显的位移、加宽或劈裂。

Through the large 〓 analysis of equation of motion for 〓 and thecalculations of contribution of 〓 to mass splittings, we find: 1.the time-component 〓 of 〓 takes the order of 〓 while its space-component 〓 possesses the order O,the same order as the one of ω.

通过对〓运动方程的大〓分析及〓对转动惯量贡献的计算，我们发现：1。

In addition,most of theprevious studies are focused on a very narrowly-separated doublets(e.g.,hyperfinestructure,Stark or Zeeman splittings)in a closed system.In fact,the atomic ormolecular system,especially the excited one,is an open system,but there are only afew studies for it.

另外，以往研究的多能级系统中相邻两能级的间距都很小(通常为原子的超精细结构、斯塔克分裂或塞曼分裂)，且大多数理论研究基本上都集中于封闭系统；然而，实际原子或分子特别是激发态的原子或分子体系通常为一开放系统，对于这方面的研究也很少。

The electronic structures of cluster Fe8 with D6h symmetry and Fe15 with Oh sysmmetry have been studied by MS-X method..The results show that(1 the exchange splittings of the d-band and the magnetic moments of the Fe-atoms are different in the two clusters;(2)the change distribution in both clusters is not uniform,showing that the electrons are transferred from peripheral atoms to inner atoms,and the spin-directionof the electrons transferred is in accordance with the symmetric characteristics...

用MS-Xα方法研究了Fe8原子簇（具有D6h对称）和Fe15原子簇的电子结构，结果表明：（1）两种原子簇中的Fe原子磁矩及其d能带中的交换劈裂性质互不相同；（2）两类原子簇中的电荷分布不是均匀的，电荷倾向于从外围原子向内部原子上转移，并且被转移电子的自旋方向与原子簇的对称性质密切相关。

The transition energies and oscillator strengths of 1s^2 3d-1s^2 nf(4≤n≤9) for lithium-like Ti(superscript 19+) ion are calculated by using the full-core plus correlation method. The fine structure splittings of 1s^2 nf(n≤9) states are also evaluated.

用全实加关联方法计算了类锂Ti(上标 19+)离子1s^2 3d-1s^2 nf(4≤n≤9)的跃迁能、振子强度及1s^2 nf(n≤9)态的精细结构劈裂。

The results coincide the low-lying level splittings obtained with the Lehmann-Symanzik-Zimmermannmethod in field theory in which the tunneling at n-th excited states is viewedas transition of n bosons induced by vacuum instanton.

用场论中的Lehmann-Symanzik-Zimmermann方法计算了低激发态的能级分裂，其中第n个激发态的隧穿看作是由真空瞬子诱导的n个玻色子的跃迁。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。