各向异性的

Based on the wave equations established in general coordinate system for orthorhombic anisotropy media, this paper di...

在建立一般观测坐标系下正交各向异性介质波动方程的基础上，着重讨论了相应的伪谱法波场数值计算的稳定性条件，进而用伪谱法实现了正交各向异性介质弹性波场的正演模拟，获得了很好的模拟效果

Taking advantage of polynomials of second degree used in Hill yield criterion, and assuming that the yielding of orthotropy is not influenced by orthotropic hydrostatic pressures, a concise and practical yield criterion is put forward for orthotropy.

保持Hill准则二次函数描述的优越性，并假定具有正交特性的静水压力对正交各向异性材料的屈服不产生影响，提出了一种简洁实用的正交各向异性屈服准则。

The article analyses angle distribution of radiant energy flow density and angle distribution of radiant power when an electric dipole is oscillating along polar axis in magnetic anisotropic medium,also compares them with the expression of that in isotropic medium;thereby,a theoretical basis for more effectly using electric isotropic and magnetic anisotropic medium is obtained.

分析振荡电偶极子在各向异性磁媒质中沿极轴振荡时其辐射能流密度的角分布和辐射功率的角分布情况，并与各向同性媒质中振荡电偶极子沿极轴振荡时辐射能流密度的角分布和辐射功率的角分布情况进行对比，得出更有效地利用电各向同性磁各向异性媒质的理论依据。y

The effects of ground microtremor to the stability of the soil, and the relationship to the stability of the soil and principal axis have also been studied.

本文研究了土介质的各向异性对土动力特性的影响，研究了场地微动对土体稳定性的影响及其与各向异性主轴的关系。

Qualitative analysis of the influence of the strength of anisotropy,dimensionless latent heat,and noise factor on the shape of crystal growth is given.The results show that the velocity of principal branch growth increases as strength of anisotropy increases and the branch structure is very strongly dependent on strength of anisotropy;as ...

结果表明，枝晶主干生长速度随着各向异性强度的增大而增大，并且枝晶结构强烈依赖于各向异性强度；随着无量纲潜热的增大，晶体生长过程中枝晶结构特征愈加明显；扰动对枝晶结构特征有一定的影响，随着扰动因子的增加，枝晶间竞争生长加剧。

Secondly, true taixial test by load in three different principal stress direction for study on soil anisotropic deformation characteristic are processed.

另外，由于许多模型是在普通轴对称三轴试验条件下建立的，难以准确反映各向异性，但往往被推广应用到各向异性显著的问题中，难免会出现计算分析结果的不合理，到底存在什么样的不合理，也缺乏有针对性的真三轴试验分析检验。

The symmetric non-stationary phase shift extrapolation operator can accommodate transverse variation of velocity as well as the anisotropic parameter. Although a 2-D VTI example is present in the paper, the proposed algorithm can be used in 3-D TI media as well.

所建立的各向异性介质对称非平稳相移波场延拓算子可以同时适应速度及各向异性参数横向变化；文中给出的算例虽然是针对二维VTI介质的，但所提出的算法同样适用于三维TI介质。

It can not only solve the multi-domain problems of orthotropic media and the issue composed of isotropic media and orthotropic media, but also revertively solve the multi-domain problems of isotropic media.

提出的数值思想具有较好的通用性，其不但能求解正交各向异性材料的多域组合问题及正交各向异性材料与各向同性材料的结合体问题，而且也能蜕化求解各向同性材料的多域组合问题。

The results show when formations contains a single vertical parallel fracture system, the amplitude of reflected P-wave is more sensitive than velocity for different infillings of vertical fractures; the anisotropy increases as fracture density increasing; the anisotropy of gas-bearing fracture is stronger than the fracture saturated with fluid.

研究结果表明，当地层中含有单组垂直的平行裂隙时，反射P波振幅对垂直裂隙中充填物的敏感性大于速度对裂隙中充填物的敏感性，随着裂隙密度的增加，P波各向异性程度也相应增强，裂隙中含气时，各向异性程度较含饱和水时强。

After the deduction of high order temporal and special difference approximation to the wave equation, the snapshots of wave propagation in an infinite monoclinic media and synthetic three components surface and VSP data for a flat layered model are presented.

推导了交错网格中时间和空间上的高阶差分近似公式，并针对二维单斜各向异性介质，给出了具体的空间差分网格的形式。在上述理论的基础上，利用交错网格高阶有限差分技术，首次对单斜各向异性介质中波的传播特性进行了模拟。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。