您要查找的是不是：
- Biot' s wave equation Biot波动方程
- Based on the stress-strain relation energy relation and wave equation in Biot theory on acoustic propagation in a fluid-saturated porous medium,an equation of acoustic intensity is derived with the similar way used in an isotropic solid. 根据Biot多孔介质声学理论中的应力-应变关系、能量关系、声波方程,采用与在均匀固体介质中平行的方法,推导了流体饱和多孔介质中的声强表达式,进一步完善了多孔介质声学理论。
- The paper also gives the prospect of wave equation migration. 对波动方程偏移成像发展趋势进行展望.
- Based on the Gassmann equation and other effective rock physical theories, a method for calculating the new factor by using velocities of P wave and S wave (or impedances) was given. 利用流体识别因子敏感度定量分析方法，对比分析了新流体识别因子的敏感度与传统流体识别因子的差异，并定量分析了储层孔隙度变化对流体识别因子的影响。
- Thus what is now called the wave equation in one spatial dimension appears for the first time. 这样一来现在称为一维的波动方程就第一次出现了。
- E wave,A wave,E/A ratio,DT,IVRT,RFP,RFP/E,S wave,D wave,Vs/Vd,FVTIs,ARV and ARD/AD were detected in everyone. 对照组 2 2人在心尖四腔心切面测量E峰和A峰并计算E/A比值、E峰减速时间 (DT)、等容舒张时间 (IVRT)、彩色M型多普勒测量血流播散速率 (RFP) ,计算RFP/E。
- The tomographic images in different depths show that the P, S wave velocity perturbation orientates NW direction. 成像结果表明：不同深度的P波、S波速度扰动呈北西向展布特征；
- In this paper, using FEM method to numerical simulate the elastic wave equation. 本文采用有限元法进行弹性波方程数值模拟。
- Based on the wave equation in unsaturated soil, the dynamic response of a pile under transient torsional loading was theoretically investigated. 摘要基于己建立的非饱和土中的波动方程，研究了瞬间扭转荷载作用下桩的动力响应问题。
- And the special phenomena such as the S wave splitting, the blind points of the S wave splitting and wavefront triplication are dearly observed. 而慢纵波在固相和流相中的相位相反，即慢纵波在流相中振幅大，而在固相中的振幅较小。
- Alternatively, one may utilize the wave equation and appropriate boundary conditions to yield a specific solution. 另外，我们也可以利用波动方程和适当的边界条件以得出一个特解。
- The S wave velocity decrease slightly,and gener ally,first,its amplitude and energy decrease,then increase,and its center freque ncy remains the same. 在接近注满水时，出现特殊的高频初至小波，而S波速度略有减小，波幅和波谱能量则一般是先降后升，主频基本没有变化。
- In this study, we applied the reversibility of elastic wave to a discussion of the reverse time propagation of wave equation. 摘要本文应用波动方程式的可逆性讨论弹性波的逆时影像重建。
- Usually the Dirac equation with zero static mass is regarded as the wave equation of neutrino. 对把静质量为零的狄拉克方程当作是中微子的波动方程的看法予以否定.
- Based on the S wave velocity structures of different paths and former data, we infer that the subduction of the Indian Plate is delimited nearby the Yalung Zangbo suture zone. 根据不同路径的 S波速度结构和前人的资料 ,我们认为印度板块的俯冲可能以雅鲁藏布缝合带附近为界
- This is why the Klein-Gordon equation must be reduced to the standard wave equation around the event horizon. 这就是Klein-Gordon方程在视界附近必定约化成标准波动方程的原因。
- The crack porosity and closed pressure obtained by the experim ent provided the basic data for understanding anisotropy of rocks, S wave splitt ing and crust dynamics. 实验得到的裂纹孔隙率和岩石裂纹的闭合压力,为了解岩石各向异性、S波分裂以及地壳动力学提供了基础数据。
- The global fast dynamics for the generalized symmetric regularized long wave equation is considered. 摘要考虑了对称正则长波方程的整体快变动力学。
- A new type of elastic rod wave equation, nonlinear hyperelastic rod wave equation, is researched. 摘要讨论了一类新型的弹性杆波动方程（即非线性超弹性杆波动方程）的行波解。
- This paper introduces a modified Gibbs wave equation, and considers the effect of connection on commingling rod string. 本文对吉布斯波动方程做了一些修正，考虑了接箍对混合杆柱的影响，推导出新的方程。
