散射

The current-voltage curves at different pressure are calculated using the elastic scattering Green function theory.

利用弹性散射格林函数方法计算了不同压力下分子结的伏安曲线。

Detailed knowledge of the microscopic structure and dynamics of condensed matter can thus be obtained by means of the elastic and inelastic scattering effects of thermal neutrons.

因此，利用热中子的弹性和非弹性散射效应，可以从微观层次上获取物质的结构和动力学知识。

The influence of measurement geometry and ultrasonic source and receiver are analyzed to highlight their role in the estimation of elastic stiffness from scattering coefficients. Extrinsic properties, such as surface roughness, are briefly dealt with.

报告中分析了几何结构、超声波源以及接收体对检测的影响，强调了它们在弹性刚度、散射系数的评估中的作用，涉及了非固有特性的处理。

Thus, two kinds of intensity oscillations with phase difference of 180°can take place corresponding to the specular elastic diffraction and diffuse scattering.

因此在不同的观测条件下可出现二种相位差180°的强度振荡情形：镜向弹性衍射束强度振荡和漫散射束强度振荡。

Singular integral equation ; crack ; interface crack ; elastic wave scattering ; fracture dynamics

奇异积分方程；裂纹；界面裂纹；弹性波散射；断裂动力学

In thisdissertation,two subjects,which are elastic wave scattering of multiple interfacecylindrical cracks and elastic wave identification method of two dimensional flaw,are mainly investigated.

本文主要针对以下两个方面的问题进行了研究，其一是多个纵向环形界面裂纹的弹性波散射，其二是二维缺陷的弹性波识别方法。

This paper describes a measurement method of the fast neutron spectrum by utilizing the principle of the elastic scattering of neutrons and hydrogen nuclei, and recording the results by CR-39 detector.

本文利用中子与氢核弹性散射的原理和CR-39探测器记录质子的特性，建立了一种快中子能谱测量方法。

The wave velocities of sandstone samples within ultrasonic frequency band are explained by pore fluid local flow and elastic wave scattering mechanism.

同时测量了超声波频段速度和频率的关系，指出在25KHz-1.2MHz的频率范围内存在一个速度的峰值，局部流机制和弹性散射机制对速度频散同时起作用。

By using of the elastic approximation model and scattering matrix method, we investigate the acoustic phonons transport and thermal conductance in a H-branch four-channel nanostructure.

利用弹性近似模型和散射矩阵方法，研究了低温下多通道量子结构中的弹性声学声子输运和热导的性质。

Observations from NCAR Incoherent Scatter Radar Base are used for case study of the dynamic and electrodynamic coupling.

本文用美国NCAR非相干散射雷达链的观测资料进行了两个事例分析。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。