各向异性

A mathematic model was established and applied to prediction of drillability in parallel direction to the bedding plane of formation by using drillability in perpendicular direction to the bedding plane of formation.

根据声波在横观各向同性介质中的传播规律，建立了利用测井资料反演岩石的各向异性参数进而求取垂直于层面声波波速的方法。

Thus the mathematic model can predict anisotropy of drillability by using rock drillability in perpendicular direction to the bedding plane of formation.

由垂直于层面方向的声波速度计算出垂直于岩石层面方向的岩石可钻性，从而可以对地层可钻性各向异性及造斜特性进行评价。

Assuming that the friction angle on different slip planes varied with the angle between the slip plane and bedding plane, an anisotropic strength criterion was established based on the concept of SMP. The formulation for cross-anisotropic granular materials was then derived.

基于SMP准则，假定不同平面上的摩擦角随该平面与沉积面之间的夹角变化，提出了一般应力条件下各向异性粒状材料的强度准则，称为ASMP准则，给出了该强度准则在横观各向同性条件下的表达式。

Owing to the anisotropic and the biharmonic nature of microwave radar backscatter on spaceborne scatterometer, and to the scatter model function nolinear and the existence of various noise sources in the measurements in addition to the model function, the

由于卫星散射计探视雷达回波的各向异性的双调和性质，同时由于散射物理模型函数的非线性及信号中存在噪声，使得常规点方式风场反演中风向有多至4个解的多解存在。

Owing to the anisotropic and the biharmonic nature of microwave radar backscatter on spaceborne scatterometer, moreover, scatter model function nonlinear and the existence of various noise sources in the measurements in addition to the model function, the retrieval wind results consist of as many as four wind directions.

摘 要 由于卫星散射计探视雷达回波的各向异性的双调和性质，同时由于散射物理模型函数的非线性及信号中存在噪声，使得常规点方式风场反演中风向有多至4个解的多解存在。

It is also found that pressure enhances the binding energy and its anisotropy.

压力使得结合能增加，且增强了结合能的各向异性。

The approximation of the parabolic integro-differential equations is studied with anisotropic biquadratic finite element.

摘要研究具有各向异性特征的双二次元对抛物积分微分方程进行了逼近。

The transmission is determine by the birefringence and the thickness of the medium.

通过测量系统的光谱透过率，确定出各向异性介质的厚度。

Such substances are optically anisotropic and birefringent.

这种材料是光学各向异性的，因而是双折射晶体。

Some methods that are usually used now and their characteristics of bore-hole trajectory are introduced; Analysis the main factors which affect bore-hole trajectory; A model of rock-bit interaction is developed by accounting for the anisotropic drilling characteristics of both the formation and the bit; Base on the model of static behavior of a bottomhole assembly design a bore-hole trajectory; produce a demo of bore-hole trajectory base on 3DS Max.

本论文对井眼轨迹反演理论及方法作了简要的分类，介绍了几种目前常用的井眼轨迹反演方法及其特点；分析了影响井眼轨迹的主要因素；综合考虑地层和钻头的各向异性钻井特性，建立钻头与地层相互作用模型，基于钻柱底部组合力学模型设计出一条井眼轨迹；制作了基于3DS Max的井眼轨迹演示动画。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新