查询词典 dispersion

The surface roughness of laser shock peened metals has linear effect on the dispersion of laser-generated surface acoustic waves.

搭建了用Nd：YAG脉冲激光器激发，PVDF传感器探测激光声表面波的实验系统。

The surface roughness of the laser shock peened medium has effect on the high frequency of laser-generated surface acoustic waves. As the impact times of the laser shock peening increase, the surface roughness has little effect on the dispersion of laser-generated surface acoustic waves. From the theoretical curve and experiment curve, it can ...

本文研究的结果，可对研究样品激光冲击硬化后残余应力、晶粒方向改变和错位密度增加分别对激光声表面波色散影响提供了基础，并对利用激光声表面波的色散特性来研究激光冲击硬化材料冲击层材料性质的变化具有一定的意义。

Such a process includes the preparation of an initial stabilized peptized solution including a titanium precursor material, an organic solvent, an acid agent, the mixing of said initial solution with a large amount of water, the pH of the obtained intermediate solution being less then 3, subjecting said intermediate solution and its dispersion to a heat-treatment, the exchange of water by an organic solvent with low surface tension to obtain a final solution that is finally dispersed.

这样一种方法包括制备包含钛母体材料、有机溶剂、酸介质之开头的稳定化胶溶溶液，将此起始溶液同大量水混合，所得到中间溶液的pH小于3，使此中间溶液及其分散体系经受热处理，用低表面张力的有机溶剂更换水来获得末了加以分散的最终溶液。

The measurement of acid dispersion index indicates that the pseudo-boehmite powder canbe peptized completely. When n_H+/n_AlOOH·nH2O =0.097, the corresponding pH value is 3.4. The calculated potential barrier is 6.31 ×10~-18J according to DLVO model. The size of the colloidal particulates is around 5-10nm, being cross-link as is shown by TEM.

酸分散指数的测定表明当n_/n_(AlOOH·nH_2O)=0.097时，拟薄水铝石可以完全胶溶，稳定水溶胶的pH值为3.4；根据DLVO模型计算的位能势垒为6.31×10~(-18)J；TEM观察溶胶的胶粒为5-10nm，且部分粒子相互网联。

As has already been remarked, not only the destruction of Jerusalem is presupposed, but also the dispersion of God's people, Israel, among the nations, and the division of Israel's land.

17 ，正如已经说过，不仅破坏耶路撒冷是假定，而且还分散上帝的人，以色列，各国之间，和分工以色列的土地。

By introducing fused-silica prims tocompensate the group velocity dispersion, as short as 8.5 fs pulses at 710nm isachieved without employing chirped mirrors. In our knowledge, this is the shortestpulses produced domestically from a KLM Ti:sapphire laser in China. Finally, The amplitudes and phases of femtosecond pulses generated from theKLM Ti: Sapphire laser are diagnosed by using the technique of second-harmonicgeneration-frequency-resolved optical gating.

第三，在实验上，在自行研制的自锁模钛宝石飞秒激光器中，改进腔的设计，较好地减弱了腔内频率依赖的腔模效应对频谱展宽的限制作用，获得了最宽达144nm的宽带光脉冲频谱输出，并在未采用啁啾镜的情况下，利用三阶色散系数小的熔融石英对补偿色散，获得了8.5fs光脉冲输出，为目前国内最好记录，达到国际先进水平。

Began by recapping the "recipe" for producing dispersion relations and performing stability analysis (identify equations, linearize, assume a wavy solution, grind through the algebra, analyze results).

概述推导色散关系和进行稳定性分析的方法（鉴别方程，线性化，假设波动解，用代数学方法解析，分析结果

The optical soliton propagation in monomode optical fibres with third-order dispersion is reinvestigated by using variational method. The evolution equations for optical soliton parameters are found, and self-wave-peak shift phenomena is explained quantitatively.

用变分法重新研究了单模光纤中的三阶色散对光孤子传输的影响，找到了光孤子参数的演化方程组，定量地解释了光孤子的自波峰漂移现象。

The empirical analysis of the dispersion principle and the law of large numbers indicates that the expected income of the peasant household in the re1eant sear can be used as the basis for repaving the capital and interest and reference for setting loan level, and offset loan risk and simply guarantee.

对分散性原理和大数法则的实证分析表明，用农户相关年份预期收入可作为还本付息的基础和确定贷款额度的参照，并能对抗贷款风险、简化担保。

An alternative method to derive a set of fully nonlinear Boussinesq equations up to the order of $O(\mu^{2}$,$\varepsilon^3 \mu^{2})$ is presented. The linear dispersion relation and the shoaling gradient of the equations are improved by adding some dispersive terms.

从欧拉方程出发，提供了另一种推导完全非线性Boussinesq方程的方法，并对方程的线性色散关系和线性变浅率进行了改进。

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％。