The multiple elastic scattering of photon can effectively enhance the gain length.
光子和散射颗粒的多次弹性散射可以增大有效增益长度。
Thequasi equilibrium relaxation occurs via elastic and inelastic scattering and the emission of longitudinal optical phonon.
通过弹性和非弹性的碰撞，发射纵波光学声子，半导体中发生准。
In computation, the elastic scattering, inelastic scattering, charged particle emission and radiation capture are under consideration.
计算中考虑了弹性散射、非弹性散射、带电粒子发射和辐射俘获。
The elastic and inelastic scattering of low energy electrons in solids and some of its applications in electron beam microanalysis are described.
本文介绍了低能电子在固体中的弹性散射和非弹性散射，及其在电子束显微分析中的一些应用。
The absorption coefficients approach to zero inside the target nucleus, so that the elastic scattering takes place at the surface region of nucleus.
光学势在核中的吸收系数趋于零，因此弹性散射主要发生在核的表面。
And if you scatter you can have an elastic scattering cross section or an inelastic scattering cross section which are combined to the fundamental scattering cross section.
如果你们有一个弹性散射，横截面或非弹性散射横截面，那是结合成基本的散射，横截面。
From the framework of the multiple scattering theory, we obtain the antiproton-nucleus optical potential that can best describe the experimental elastic scattering data.
从多次散射的理论框架，获得反质子的光学势，这一光学势能很好地描述从轻核至重核在整个能区的弹性散射实验。
Basing on first-principles and elastic scattering Greens function theory, we study the electronic transport property of oligomeric phenylene ethynylene molecular devices.
利用弹性散射格林函数方法，研究了低聚次苯基乙炔分子器件的电输运性质，并分析了水环境对分子器件电输运性质的影响。
You can have an elastic scattering collision where the neutron just essentially bounces off the uranium 235 atom and just continues on and it's possibly slowed down ever so slightly.
你可以得到一个弹性散射的碰撞，在那，原子就会反射，铀235原子，还会继续，那也可能会减慢一点。
The experimental data are fitted by use of the optical model. The probable reasons of the enhancement and oscillation of the elastic scattering angular distribution are discussed.
用光学模型对实验数据进行了拟合，并讨论了弹散角分布振荡及增强的可能原因。
A normalization method for experimentally measured angular distribution in elastic scattering experiment in which the radioactive ion beam was used as the projectile has been developed.
介绍了放射性核束弹性散射实验中测量的角分布进行归一化的方法。
It is shown that a phase variation of the nucleon-nucleon elastic scattering amplitude leads to a large increase in the calculated differential cross-section and a substantial improvement.
计算结果表明核子-核子弹性散射的位相变化使理论微分截面增大，改进了理论值与实验数据的符合。
There are four principal neutron interactions that affect formation evaluation: elastic neutron scattering, inelastic neutron scattering, fast-neutron reactions and neutron capture.
影响地层评价的中子反应有四种，包括中子弹性散射、中子非弹性散射、快中子反应和中子俘获。
The main research contents in this dissertation are as follows: Elastic wave scattering and dynamic stress concentration in circular cylindrical shells with a hole are studied.
本论文具体研究工作如下：研究了含孔柱壳结构中弹性波散射与动应力集中问题。
Spin correlated elastic and inelastic electron scattering processes are briefly described.
简述了与自旋相关的电子的弹性散射和非弹性散射过程；
The charge exchange and elastic collision between ion and neutral atoms and the collection and Coulomb scattering of ion on dust grains are considered.
当离子在鞘层运动时，考虑离子与中性原子之间的电荷交换和弹性碰撞，以及离子被尘粒的库仑散射和收集作用。
The elastic and piezoelectric constants of crystal can be obtained by Brillouin scattering.
由布里渊散射实验可以得到晶体弹性及压电系数。
An analytic method is developed for the problem of scattering of SH-wave and dynamic stress concentration around a circular cavity near the interface of elastic half space.
建立了求解在含有圆形孔洞的弹性半空间中SH波散射与圆形孔洞附近动应力集中问题的解析方法。
When elastic waves propagate in structures with obstacles such as cutouts, cracks or interfaces and so on, wave scattering and dynamic stress concentration can occur near these scatterers.
弹性波在含有孔洞、裂纹或界面等障碍物的结构中传播时，会在它们附近发生散射，导致散射体附近产生动应力集中。
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。
The scattering of SH-waves by a shallow buried cylindrical elastic inclusion with a partially debonded curve in half space is studied by function of complex variable method.
采用复变函数法研究了含有部分脱胶的浅埋圆柱形弹性夹杂对SH波的散射与地震动问题。
To cope with inhomogeneous weak scattering, the relation between scattering field and model parameters can be derived from elastic dynamics theory.
针对非均匀弱散射情形，由弹性动力学可得出散射场与模型参数的关系。
Furthermore, an integral equation in transformed filed, which suited to calculate the instantaneous elastic wave scattering by a number of irregular scatterers embedded in an elastic body is derived.
在此基础上推导了适合瞬态弹性波对异质体散射求解的变换域位移场积分方程。
This paper introduce a program of the "elastic collision" experiment which is an analog of two kinds of the scattering angles and the relation between them in elastic collision of two dimensions.
本文介绍了我们编制的《弹性碰撞》的程序，该程序模拟同一个二维弹性碰撞的两种散射角及其关系。
A method is presented for studying bistatic scattering of acoustic waves by finite elastic target.
给出了水中有限长弹性目标声散射问题的求解方法。
In this paper, I present three studies on high-frequency seismic attenuation and propose that the physical mechanism results from the interference of elastic microscopic multiple scattering waves.
通常认为地震波高频衰减的物理机制主要是滞弹性的吸收，本文通过如下三方面的研究认为地震波高频衰减的物理机制主要是弹性的微观多次散射波的相互干涉。
The effects of both light scattering (elastic and dynamic) and diffusion, as directly depending on the thermodynamic parameters characterizing the one-phase state stability, are considered in detail.
两个光散布（有弹性和动态）和扩散的影响，象直接取决于的那样表现一个阶段的特性的热力学的参数说明稳定，被详细考虑。
Scattering of elastic waves by an interface crack with adhesive contact near its tips is considered in this paper.
本文研究一类粘着型界面裂纹模型的弹性波散射问题。
Faults are widely existed in crust. They effect the elastic wave scattering as site condition. The analysis of wave propagation by fault is important both in theory and engineering.
断层广泛存在于地壳中，作为场地条件影响地震波的传播，研究断层对弹性波散射的影响对理论研究和工程应用均有十分重要的意义。
This paper deals with theoretical and numerical analyses of scattering of elastic wave and dynamic stress concentrations in an infinite thin plate with a circular hole using boundary element method.
本文采用边界元法对开孔无限大薄板弹性波的散射与动应力集中问题进行理论分析和数值计算。
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