粒子运动

It is shown that photoelectron spectra at different delay-time reflect the population in different electronic states. We could not only inspect the periodicity of vibrational motion in neutral states, but also map the vibrational wave-packet propagation in corresponding internuclear coordinate.

计算显示出在不同延迟时间下的光电谱反映了电子在不同电子态上的粒子数，我们不但可以观测到中间态上的振动情况，还可以进一步记录振动波包在相应核间距上的运动情况。

A good example of this is found in the kinetic molecular theory, in which gases are pictured as being made up of many small particles that are in constant motion.

这方面的一个好例子就是分子动力学理论，这个理论把气体形容成是由许多不断运动着的微小粒子构成的。

Exercise: Figure below shows a 3 - D kinetic theory model. A large number of ball bearings are set in motion by a vibrating platform.

下图 显示一个气体分子的机械立体模型，代表气体粒子的圆珠被振动平台至不停运动。

If a transverse wave and a longitudinal wave move together in the same direction, what will be the possible motion of the particles

如果一横波和纵波同时沿相同方向传播，那麼粒子可怎样运动？

Neutrinos and the hypothetical gravitons, also massless particles, move at the same speed as light.

中微子和假想的引力子也是无质量粒子，它们也以与光相同的速度运动。

Graphene has become a model system in condensed matter physics because its charge-carrying particles move at relativistic speeds, in effect behaving as if they are massless.

Graphene已经成为凝聚态物理学中的一个模型体系，因为其带电荷的粒子能以相对论速度运动，从效果来看，其行为就好像它们没有质量一样。

Meantime the mechanism of formed microcrystal KNbO〓 was discussed.

流体运动的轨迹与实验示踪粒子轨迹也基本符合。

If a cluster were moving faster or slower than the universe's background radiation, you'd expect to see the background heated slightly in that region of the universe-the result of a sort of electron-scattering "friction" between the cluster's hot gas and particles in the background radiation.

如果星系群的运动快于或慢于宇宙背景辐射，你可以预期看到在这宇宙附近背景被略微加热，这是散射电子在星系群的热气流和背景辐射粒子之间摩擦产生的结果。

Presents again a new formulation of Lagrange s equations by using an augmented Lagrangian function with the second order non linear nonholonomic constraint equations.

以Dirac方程为依据，求出了在电磁场作用下，质量为m ，自旋为 1 /2的荷电粒子在场中运动时的能量本征值及其拉氏函数密度的明显表示式，并对其微观物理机制作出了较为明晰的解

Note that the size of the particle has no effect on its physical behavior with respect to forces.

要注意粒子的大小对它受到外力时的物理运动没有影响。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。