平动能

For collision with Ne where only electronic to translational energy transfer is possible.

对于SP与Ne的碰撞，电子态能量仅能转移为Ne原子的平动能。

The translational energy distributions of Br and Br(superscript *) were found to consist of two components which should come from the radical channel and secondary dissociation process, respectively.

在平动能分布中发现两个高斯分布，推测其中主要是C-Br的快速解离，而高能宽分布则来自于CH2Br自由基的二次解离过程。

The translational energy distributions of Br and Br^＊ were found to consist of two components which should come from the radical channel and secondary dissociation process, respectively.

在平动能分布中发现两个高斯分布，推测其中主要是C—Br的快速解离，而高能宽分布则来自于CH2Br自由基的二次解离过程。

Based on the principle of molecular dynamics, a sampling method in Direct Simulation Monte Carlo method for molecular total and translational energy, and the heat flux vector nearby the wall boundary is proposed.

从分子动力学出发，讨论了直接模拟蒙特卡罗方法中分子平均总能量、平均平动能以及边界热流密度的抽样方法。

The relation of relative translational energy with reactive cross section, and the effect of relative translational energy on reaction probability are studied, and the microscopic mechanisms of the reaction are also discussed.

由此可以看出，在一定范围内增加相对平动能可以增大反应几率，但过大的能量不利于

The translational energy distributions of Br and Br* were found to consist of two components which should come from the radical channel and sec-ondary dissociation process, respectively.

在平动能分布中发现两个高斯分布，推测其中主要是C—Br的快速解离，而高能宽分布则来自于CH2Br自由基的二次解离过程。

We have measured the translational energy and the angular distributions of the fragments. The C-Br bond fission dynamics in the ultraviolet photodissociation has been analyzed. The effect of coupling between the potential energy surfaces on the product channels has been discussed.

第二部分是利用离子速度影像技术对1，2-C2H4Br2、tert-C4H9Br和iso-C4H9Br的紫外光解动力学的研究，获得了光解产物的平动能分布和角度分布信息，分析了这些分子的断键机理，研究了势能面间的相互耦合对光解产物状态的影响。

M. translational distribution, angular distribution, and the branching ratios for different possible product channels by measuring the angle-resolved time of flight spectra of photofragments. Information about photodissociation processes such as dissociative lifetime of parent molecule, the orientation of transition dipole moment, and the symmetry change of the highly excited states can be deduced from the translational energy distribution and angular distribution.

碎片平动能谱方法是在无碰撞条件下研究光解动力学的一种理想方法，它通过测量光致碎片在不同角度的时间飞渡谱(Time of Flight，简称TOF)，可以得到光解碎片质心系的平动能分布、角分布和不同解离通道之间的分支比等，由此可以推知母分子的解离寿命、跃迁偶极距的取向以及激发态分子的对称性变化等过渡态的动力学信息。

Photofragment translational spectroscopy is an ideal tool to investigate photodissociation dynamics under collision-free conditions through which one can obtain the total center of mass translational distribution, angular distribution, and the branching ratios for different possible product channels by measuring the angle-resolved time of flight spectra of photofragments. Information about photodissociation processes such as dissociative lifetime of parent molecule, the orientation of transition dipole moment, and the symmetry change of the highly excited states can be deduced from the translational energy distribution and angular distribution.

碎片平动能谱方法是在无碰撞条件下研究光解动力学的一种理想方法，它通过测量光致碎片在不同角度的时间飞渡谱(Time of Flight，简称TOF)，可以得到光解碎片质心系的平动能分布、角分布和不同解离通道之间的分支比等，由此可以推知母分子的解离寿命、跃迁偶极距的取向以及激发态分子的对称性变化等过渡态的动力学信息。

Triatomic molecules We studied the interaction of linear triatomic molecules CO〓 and CS〓 with the intense femtosecond laser field at different intensities and polarization states. The kinetic energy of the C ion is much less than that of the O ion at the same charge states indicating that the Coulomb explosion is a concerted process, that is, the two C=O broke simultaneously.

三原子分子研究了不同强度的不同偏振的飞秒强激光场和线性三原子分子CO〓和CS〓的相互作用。C离子的平动能要远小于同电荷数的O离子的平动能，表明库仑爆炸是一个协同过程，两个C=O键同时断裂。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。