各向异性

Using a kind of new solution to sovle the heat conduction equation of the anisotropic medium,general solution expressions of the temperature field and the thermal distortion field of Nd∶YVO4 crystal with rectangular section were obtained.

利用各向异性介质热传导方程的半解析求解方法，得出了矩形截面Nd∶YVO4晶体的温度场、端面热形变场的通解表达式。

According to axisymmetric unsteady heat conduction equation of orthogonal aniso tropic material and boundary conditions,the equilibrium equation of a system of finite elements is deduced with triangular element of high accuracy,and programs are designed.

根据均匀正交各向异性材料轴对称热传导方程及其边界条件，利用变分法及欧拉理论，选取 6 节点的高精度三角形单元类型，推导了一般轴对称非定常热传导有限元基本方程。并编制了相应的计算程序。

There is growing recognition that mineral structures can form and deform at much milder pressures and temperatures than their pure equilibrium phase diagram would suggest, when in contact with water or in the presence of anisotropic strain and stress ref.

正在增长这样的认识，矿物组织，在与水接触时，或在存在着各向异性应变和应力条件下，能够在它们纯净的平衡相图所建议的更温和的压力和温度下形成和变形〔参看文献143〕。

Based on the universal theory ,a new method which is via adjusting local coordinate system and the equivalent stiffness matrix is used to modify the orthotropic wrinkled membrane .

基于普遍性的要求，针对正交各向异性膜材，本文提出了采用局部坐标系转置和刚度等效分析褶皱膜单元的新方法，并运用有限元软件Strand7及其开发程序Strand7API进行了编程验证。

A novel method for measuring the anisotropic etch rate distributions of Si is described.

介绍了一种测定硅各向异性腐蚀速率分布的新方法。

At zero temperature, The relatively simple expressions of the polaron energy shift in the first excited state are presented.

绝对零度下，获得了各向异性量子点的第一激发态的极化子修正下能较简单的表达式。

Anisotropic problem;elliptic artificial boundary;exterior problem;natural boundary reduction;DDM.

各向异性问题；椭圆人工边界；外问题；自然边界归化；区域分解

In the last chap-ter,the natural integral equation and natural boundary element method forharmonic problem on exterior elliptic domain are introduced.Then,based onthis,the natural boundary reduction method for a kind of exterior problem ofanisotropic constant coefficients elliptic equation is discussed, the natural inte-gral equation and its solving method on circular boundary and elliptic bound-ary are obtained.These results can be directly applied in coupled methodand DDM for exterior boundary value problem.

最后，讨论了椭圆外区域调和问题的自然积分算子即D-N算子及自然边界元方法，并基于此研究了一类各向异性常系数椭圆型方程外问题的自然边界归化方法，首次得到其在圆周边界及椭圆边界上的自然积分方程及其求解方法，并将这些结果直接应用于外边值问题的耦合算法。

In this paper, natural boundary reduction and natural boundary method for an anisotropic problem in an exterior elliptic domain is investigated.

研究一类各向异性抛物外问题的自然边界归化及其自然边界元方法。

The plot of reduced magnetization versus the ratio of the external field and temperature is indicative of a strong zero-field splitting and magnetic anisotropy.

以还原磁化强度为纵坐标，外加磁场对温度的比值为横坐标，所得的图表明，该簇合物具有强的零场分裂和磁各向异性。

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