角分布

Within this framework we develop a theoretical approach to interpret photoelectron angular distributions in terms of a generalized phase Bessel function which can determine the principal features of the distribution and its variation with laser frequency and intensity.

文章作者及其合作者发展了光电子角分布的处理方法，利用复合相位Bessel函数来表征光电子的跃迁几率幅，将光电子的角分布与复合相位Bessel函数直接联系起来。

Bent-bonding of the cyclopropane molecule makes such a C-C bond insertion mechanism possible and reasonable.

各反应产物的飞行时间谱经过处理可得到各反应通道的平移动能分布及角分布情形，并从而推断其内能之分布情形。

The data were applied to simulate the neutron energy spectrum and angular distribution of Lanzhou University 3×10^12 s^(-1) intense neutron generator with 260 keV deuteron beam using MCNP. The interactions of neutron and the materials of neutron generator and laboratary wall were included in this MCNP simulation. The simulation results on the neutron energy spectrum and angular distribution of Lanzhou University 3×10^12 s^(-1) intense neutron generator with 260 keV deuteron beam were presented.

以分割法计算得到的能谱和角分布数据为基础，建立了D-T中子源Monte-Carlo模拟抽样模型，在考虑中子发生器各元件材料及实验大厅墙壁对快中子的慢化、散射和吸收的条件下，采用MCNP程序对兰州大学3×10^12s^(-1)强流中子发生器260 keV氘束流能量下的中子能谱和角分布进行了模拟，给出了模拟结果。

A mathematical model and a program are developed to calculate neutron yields, energy spectrum and angular distribution of D^3 He reaction in a thick deuterium-titaniumTiD(subscript x target as incident deuteron energy lower than 1.0 MeV.

给出一种计算氘钛厚靶D^3 He反应加速器中子源的产额、能谱和角分布的方法，并发展了一个计算机模拟程序，程序能够计算氘束流能量小于1.0 MeV的中子源的产额、能谱和角分布。

The data were applied to simulate the neutron energy spectrum and angular distribution of Lanzhou University 3×1012 s-1 intense neutron generator with 260 keV deuteron beam using MCNP.

以分割法计算得到的能谱和角分布数据为基础，建立了D-T中子源Monte-Carlo模拟抽样模型，在考虑中子发生器各元件材料及实验大厅墙壁对快中子的慢化、散射和吸收的条件下，采用MCNP程序对兰州大学3×1012 s-1强流中子发生器260 keV氘束流能量下的中子能谱和角分布进行了模拟，给出了模拟结果。

Angular distribution for scatterings of 3He、4He、6He and 7He with hydrogen bromide molecules are calculated by using close-coupling approach from the anisotropic intermolecular potential of the He-HBr system established by the author. The calculations are performed separately at the collision energies of 60 and 100 meV. The influences of He isotope atoms on angular distribution is discussed in detail.

基于作者构造的He-HBr体系的各向异性势，采用密耦方法计算了碰撞能量分别为60和100 meV时3He、4He、6He和7He被HBr分子散射的角分布，详细讨论了氦同位素对散射角分布的影响。

The article analyses angle distribution of radiant energy flow density and angle distribution of radiant power when an electric dipole is oscillating along polar axis in magnetic anisotropic medium,also compares them with the expression of that in isotropic medium;thereby,a theoretical basis for more effectly using electric isotropic and magnetic anisotropic medium is obtained.

分析振荡电偶极子在各向异性磁媒质中沿极轴振荡时其辐射能流密度的角分布和辐射功率的角分布情况，并与各向同性媒质中振荡电偶极子沿极轴振荡时辐射能流密度的角分布和辐射功率的角分布情况进行对比，得出更有效地利用电各向同性磁各向异性媒质的理论依据。y

The experimental results of the first and second rainbows for water, alcohol jet and fiber are measured by rainbow refractometer with a linear CCD camera.

采用CCD线阵的散射光强角分布测量系统，测量了水、酒精液柱、光纤的彩虹角分布。

The results show that the angular distribution of the total differential cross section at zero degree increases and the position of oscillation minimum of the same order gradually shift towards small scattering angle along with the increase of the incident isotope He atom mass at identical collision energy. And crossing angle between the elastic and total inelastic DCS gradually decreases and the total inelastic DCS gradually increases.

结果表明：在相同碰撞能量时，随着同位素氦原子质量的增加，总微分截面在0°时的角分布逐渐增大，同一级衍射振荡极小值位置逐渐向小散射角方向移动；弹性与总非弹性截面交界角逐渐减小，总非弹性截面逐渐增加。

New observables which can be used to estimate the fraction of the anisotropicemission particles to all the final state particles and the degree of concentrationaround the flow direction are proposed to characterize the flow.

末态粒子的极角分布宽度是描述流效果的一个重要参量，只有综合考虑流角，流值和极角分布这三种因素，才能正确反映集合侧向流的整体特征。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。