弹性波

This paper calculated displacement formula in the uniform elastic medium under the action of the ball cavity source and analyzed the impact of the various factors.

通过计算得到了均匀弹性介质中的球腔震源作用下的位移公式，并分析了影响球腔震源子波的各个因素。

It is deduced in this paper theoretically the elastic wave equation in two dimen-sional EDA media, for which numerical modeling is carried out.

中文摘要：本文从理论上推导了二维EDA介质中的弹性波动方程，并对其进行了数值模拟，获得了当坐标系旋转30°时用点源激发的三分量波场切片及用相互正交的横波震源在同一位置激发，用两个相互正交的水平检波器接收的四分量全成记录。

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。

The differential cross section, the polarisation and the spin-rotationparameter in elastic scattering of 180 MeV antiproton by 12C are calculated by means ofGlauber s multiple scattering theory and Pauli-correlated wavefunction .

在Glauber多重散射理论近似下，采用泡里关联的核波函数，使用一种唯象的湮灭势，对180MeV的在12C上的弹性散射微分截面，极化角分布和自旋旋转参数进行了计算。

If you're one of those people who's got remote controls scattered across every inch of your coffee table, we've got the perfect high-tech gadget to get rid of that clutter of clickers once and for all: an elastic band.

如果您是其中之一，这些人的了远程控制设备遍布每一寸你的咖啡桌上，我们已经准备好了完美的高科技玩意儿，以摆脱这种杂波的clickers一旦和全部：弹性带。

Combined with indoor experiments and concrete blasting engineering projects and according to the theories of elastics, dynamic waves and dynamic fracture mechanics, this chapter thoroughly discussed the influence of rock structure on energy distribution of explosive charge, stress wave and blasting results.

岩体对爆炸荷载反作用的研究：从辩证法的角度出发，提出了爆炸荷载与岩体之间是一种作用与反作用的关系，结合室内实验和具体的工程爆破实践，依据弹性理论、断裂力学理论和波动理论，详尽地讨论了岩体结构面对爆炸能量分布的影响、岩体结构面对爆炸应力波的反作用和岩体结构面对爆炸效果的影响等问题。

Conventional methods for controlling the instability of amplitude compensation on high-frequency components include gain-limited high-cut frequency method and stable factor method.

与常规反Q滤波方法相比，反Q偏移理论上可实现严格按波场传播路径对介质非弹性吸收频散效应予以补偿与校正。

Ultrasonics: Vibrational or stress waves in elastic media that have a frequency above 20 kilohertz, the highest frequency of sound waves that can be detected by the human ear.

超音波：弹性介质中的应力波，其频率在2万赫以上，最高频率超出人耳可听闻的声波频率。

Ultrasonics: Vibrational or stress wave s in elastic media that have a frequency above 20 kilohertz, the highest frequency of sound wave s that can be detected by the human ear.

超音波：弹性介质中的应力波，其频率在2万赫以上，最高频率超出人耳可听闻的声波频率。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。