散射理论

Based on the theory of elastic dynamics, the scattering of elastic waves and the dynamic stress concentration in a fiber-reinforced composite are studied.

基于弹性动力学理论，对纤维增强复合材料结构中弹性波散射及动应力集中问题进行了分析研究。

Moreover, the intensity corresponding to surface excitation in effective energy loss functions decreases with the increase of primary electron energy.

在用Monte Carlo方法模拟电子与物质相互作用过程时，常用Mott截面描述电子与原子的弹性碰撞，而用介电函数理论描述电子的非弹性散射。

The vibration spectrum of CaWO 4 crystal was analyzed theoretically by means of factor group method in this paper.

本文借助商群方法对CaWO4 晶体的振动谱进行了理论分析，明确地指出了红外吸收光谱和喇曼散射光谱的激活结果。

Geometrical Theory of Diffraction is a fundamental algorithm in electromagnetic radiating and scattering, and programming is a key step for its application.

几何绕射理论是电磁辐射与散射计算领域中广泛应用的一种算法，而编程是其实施的一个关键。

Over 98% of purified DOC-1R proteins was finally got for structural and functional research. Mass Spectrum identified that the exact molecular weight of DOC-1R is 14091.23 Da; Dynamic light scattering assay showed that its homogenesis was over 99.0%.

质谱分子量测定显示DOC-1R的分子量为14091.23 Da，与理论分子量基本一致；动态光散射实验显示蛋白均一性高达99.0％，可用于晶体生长；采用悬滴气相扩散法筛选，在多个条件下得到了DOC-1R的微晶。

First of all, the relative transmittance as a function of time for an impulse incidence is presented by Monte Carlo method to trace the path of the ray incident upon dense fog media.

首先，利用蒙特卡罗方法模拟光在散射和吸收介质中的传输，得到脉冲光在云雾中传输时相对光强与传输时间的关系，从而为分辨载有物像信息的子弹光和形成噪光背景的蛇形光提供了理论依据。

The influence of uncaptured electron on energy conversion efficiency in multiphoton nonlinear Compton scattering has been studied by using a particle theory and the inelastic collision model about electron and photon.

应用单粒子理论和电子与光子非弹性碰撞模型，研究了未被俘获电子对多光子非线性Compton散射能量转换效率的影响。

The energy conversion efficiency of the multi-photon nonlinear Compton scattering in the cone-shaped femto-second high power laser-plasma is given by using the inelastic collision model of relativistic electron and photon, and relativistic electricity theory.

应用相对论性电子与多光子集团非弹性碰撞模型和经典相对论电动力学理论，分析、计算了锥形飞秒强激光等离子体中多光子非线性Compton散射的能量转换。

The microwave MMIC technique and EMC theory are introduced in the design process of the transient light signal receiver system which is based on underwater laser backward scatter detecting technique to improve some key technology such as the broadband and low noise etc.

基于水下激光后向散射光信号检测技术，针对微弱高速瞬态光信号接收系统中所要求的宽频带、低噪声等关键技术指标，将MMIC技术和电磁兼容性理论应用于高速瞬态光信号接收系统的设计过程中。

The linear sampling method for the inverse scattering problem of acoustic waves is based on the fact that: a linear integral equation of first kind-far field equation including a parameter has an unbounded solution as the parameter approaches the scattering boundary from inside.

本文在此基础上就Dirichlet边界条件的声波反散射问题，利用积分方程理论严格证明了线性抽样方法对其的可用性，具体数值例子表明该方法是有效的。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷