查询词典 elastic scattering

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

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。

As an expmple, the nuclear micro-probe facility in the Forschungszentrum Rossendorf is introduced, which has a minimum beam size of 2 micrometers and can be used to perform particle induced X-ray emission, nuclear reaction analysis, elastic recoil detection analysis, Rutherford back scattering and channeling etc.

以欧共体离子束物理及材料科学研究所的装置为例介绍了离子束微探针实验装置，给出了利用这一装置开展重离子弹性反冲核分析、研究氢在钛合金中的微观分布及其动力学行为的实验结果。

So the splay and twist elastic constants and viscosity could be determined by dynamic light laser scattering at the same time

这提示可以动态激光散射同时测定向列液晶展曲和扭曲弹性常数和粘滞系数

The results show that the angular distribution of the total differential cross section at zero degree increases and the position of oscillation minimum of the same order gradually shift towards small scattering angle along with the increase of the incident isotope He atom mass at identical collision energy. And crossing angle between the elastic and total inelastic DCS gradually decreases and the total inelastic DCS gradually increases.

结果表明：在相同碰撞能量时，随着同位素氦原子质量的增加，总微分截面在0°时的角分布逐渐增大，同一级衍射振荡极小值位置逐渐向小散射角方向移动；弹性与总非弹性截面交界角逐渐减小，总非弹性截面逐渐增加。

In conventional seismic data processing, the earth is regarded as prefectly elastic medium.However,the pores of stratum rock often contain fluid. So, when the seismic wave propagates in it, there are energy attenuation and phase distortion related to frequency. Moreover, the attenuation, scattering,and dispersion of high-frequency components are far higher than that of low-frequency components.

常规地震资料处理中把大地看成是完全弹性介质，实际上，地层岩石孔隙中常常含有流体，当地震波在其中传播时要发生与频率相关的能量衰减和相位畸变，且高频成分的衰减、散射和弥散远高于低频成分。

Large unilamellar vesicles were demonstrated by fluorescent TEM, negatively staining TEM, freeze fracture TEM, and quasi-elastic light scattering experiments.

应用荧光显微镜、电子显微镜(负染色制样和冰冻复型制样)、激光光散射等手段，证实了所得脂质体为球形单层大脂质体。

An analytic method is developed for the problem of scattering of steady SH-wave and dynamic analysis of a shallow-embedded circular lining structure in the field of linearly elastic dynamic mechanics in this paper.

本文在线弹性力学范畴内，建立了求解半无限空间中界面附近圆形衬砌结构对SH波散射与动应力集中问题的解析方法。

An analytic method is developed for the problem of scattering of steady SH-wave and dynamic analysis of a shallow-embedded circular lining structure in the field of linearly elastic dynamic mechanics in this paper.

中文摘要：本文在线弹性力学范畴内，建立了求解半无限空间中界面附近圆形衬砌结构对SH波散射与动应力集中问题的解析方法。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了