查询词典 momentum

Based on the Boltzmann equation, governing equations are obtained by microscopic kinetic theory, in which the terms for mass and momentum transportations can be obtained directly by introducing some conclusions of bubble dynamics.

在推导过程中，结合空泡动力学中的研究成果，从微观角度考虑了泡径变化引起的质量和动量输运，直接推导出了相间输运源项。

Through comparing the Ar (e,3e) double ionization experimental results at low collision energy with the theoretical calculation based on the first Born approximation which include the first order mechanisms SO and TS1, the symmetry breaking about the direction of the momentum transfer shows that the non-first order effects (such as two-step 2 mechanism) play an important role.

通过比较Ar在低碰撞能量下的(e ，3e)双电离实验结果和基于包含一次作用机制SO和TS1的一阶波恩近似的理论计算结果，表明在动量转移方向上对称性的破坏显示非一次效应(例如二型两步作用机制)起非常重要的作用。

The drag force is obtained by calculation of the momentum deficit in the wall boundary layer.

拖曳力，得到了计算的势头赤字在墙上的边界层。

Based on momentum theory and shock wave gas dynamic theory, jet equivalent body idea and bow sharp wave mathematic formula is brought forward.

利用动量定理和激波理论分析方法，提出了喷流等效体的概念，推导了等效体弓形激波方程。

As I speak today, there is no momentum for a general boycott.

"正如我今天发言的，是没有的势头，对于一般的抵制"。

I am optimistic. We have tremendous momentum and the rest is up to us, said Brawn.

我很乐观。我们有巨大的势头，其余的是我们，布朗说。

In particular, a number of professions and trades such as bricklaying, Ma Hui, namely engineering firms have a certain visibility in the development of strong momentum.

特别是部分专业和工种如砌砖、抹灰、饰面工程施工等在省外拥有一定的知名度，发展势头强劲。

In which, for the statistic that use the phase-space formed by position 1-linear vectors and momentum 1-linear vectors in 4D time-space and the mutual reactions among these particles can be dealt as elasticity collision, they are the usual de Broglie waves.

其中，对于4维时空位置1-线矢和动量1-线矢组成的"相宇"进行统计，当粒子间的相互作用可当作弹性碰撞时，它就是"德布洛意波"。

In Chapter 4,with the consideringof the reflection and transmission,we solved analytically the two-dimension 〓equation for the diffraction of the atomic de Broglie waves by a resonant standing laser fieldand calculated numerically the density distributions,the momentum distributions,and thereflection coefficient.

对于二能级原子在激光驻波栅上的衍射问题，我们严格求解了原子与共振激光驻波场相互作用的〓方程，数值计算了原子空间密度分布，动量分布，以及原子反射率与透射率。

Technical and scientific momentum would then feed on the situation it exploits, Brzezinski predicted.

技术和科学势头将因此适应于其所开发的情境布热津斯基预测道。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。