各向同性

各向同性假设与洛仑兹变换

The Isotropy and Lorentz Transformation

各向同性损伤理论是建立在材料是均匀的、各向同性的以及损伤也是各向同性的假设基础之上。

The theory of isotropy damage is based on the hypothesis that the material and damage are symmetrical and isotropic .

颞骨高分辨率CT各向同性的研究

The study of isotropy in temporal bone high resolution CT

未掺杂的纯ZnO晶体生长具有各向同性特征，晶体呈各边近相等的六边形。

The growth of undoped ZnO crystals shows isotropic characteristics and its morphology is hexagonal .

利用因式分解方法，重新定义了N（N≥2）维各向同性谐振子的两类升、降算子。

Employing the factorization method , a new definition of four kinds of raising and lowering operators of an N dimensional isotropic oscillator is given .

Stewart结构六维力传感器力矩各向同性研究

Study of Torque Isotropy of Six-dimensional Force Sensor Based on Stewart Structure

本文应用Fourier积分变换，求出单层横观各向同性弹性地基位移和应力的初始函数解答。

By use of the Fourier Integral Transform , the initial function solution of single transversely isotropic elastic layers is worked out .

用Hopfield神经网络反演横向各向同性介质参数

Transversely isotropic parameter inversion using Hopfield neural network

利用各向同性半导体晶体差频产生可调谐THz辐射的理论研究

Study of tunable terahertz-wave generation via difference frequency mixing in isotropic semiconductor crystals

氧化物材料Zr（1-x）HfxW2O8各向同性负热膨胀性能的研究

Studies on Isotropic Negative Thermal Expansion of Zr_ ( 1-x ) Hf_xW_2O_8 Oxides

横向各向同性介质（TI）是地下各自异性介质的最常见形式，它可由五个弹性常数来描述。

Transversal isotropic medium is the most typical one of subsurface anisotropic media , and it can be described with 5 elastic constants .

利用VSP和跨孔走时反演横向各向同性介质中的弹性常数

Deriving the elastic constants of transversal isotropic medium from VSP and crosshole travel times

有单面粘弹负载层时各向同性薄板中的SH波传播

The propagation of SH plate wave in an isotropic plate coated with one thin viscoelastic loading

Stewart结构六维力传感器各向同性的解析分析与优化设计

Analytic Analysis and Optimal Design of Isotropy Performance of Six-dimensional Force Sensor Based on Stewart Platform

一般情况下，无论对主链还是侧链液晶离聚物，随着离子在链中浓度增加，液晶相向各向同性液体转化温度（Ti）降低。

Generally , The T I decreased with increasing ionic concentration in the chain for both main chain and side chain liquid crystalline ionomers .

在各向同性模型基础上，修改耗散函数，增加表征屈服面倾斜程度的变量，建立各向异性模型（anisotropicmodel）。

The anisotropic model is set up by extending the isotropic model . Dissipation function of the isotropic model is modified and added a variable to denote the inclination of yield locus .

应用多层螺旋CT各向同性扫描对颞骨进行检查，然后对所得图像进行双斜位MPR后处理，重建出各骨半规管全程。

Examining the temporal bone with multi-slice CT isotropic scanning and postprocessing the souce images by using double oblique MPR in multi-slice CT .

各向同性介质包覆单轴晶体TM波表面传播模式存在条件研究

Condition for the existence of surface TM modes at the interface between an isotropic medium and a uniaxial plasma anisotropic dielectric waveguide

以Δr和制耳指数较低的各向同性钢为研究对象，探讨了平整对各向同性钢板屈服延伸、r值及Δr的影响规律。

Isotropic steel sheet with low Δ r and low earing index was taken to study the effect of temper-rolling on the yield point elongation , r value and Δ r.

研究了各向同性介质中任意形孔边径向裂纹对SH波的散射，求解了裂纹尖端的动应力强度因子。

Scattering of SH-wave by a radial collinear crack at the edge of arbitrary-shape-cavity in isotropy media is studied .

结果表明，与各向同性纤维相比，取向PET纤维的冷结晶峰明显向低温方向移动，呈现为弥散宽峰。

Compared with PET as-spin fibers , the cold crystallization peaks move towards the lower temperatures and become very dispersive in the DSC curves of oriented PET fibers .

与各向同性手征介质±n阶分裂模明显不同的是，单轴手征介质填充圆柱波导中±n阶模式波的传播速度是相等的。

It is shown that the ± n order mode waves propagate with the same velocity in cylindrical uniaxial chiral waveguide , while they split in the waveguide filled with isotropic chiral medium .

目的：探讨利用多层CT各向同性容积数据，实现面神经管的MPR双斜位成像。

Objective : To approach the method of demonstrating the facial canal with multi-slice CT isotropic scanning by using double oblique multi-planar reformation ( MPR ) .

五阶各向同性Descartes张量

Five Order Isotropic Descartes Tensor

用鞍点平均场方法（到单圈修正）和强耦合展开技术，研究了非各向同性耦合Z（2）格点规范模型的相结构。

An unisotropic Z ( 2 ) lattice gauge model was studied by using the mean field method ( with one-loop correction ) and strong-coupling expansion technique .

YAG晶体还具有光学各向同性、无双折射效应和良好的材料均匀性，因而在很多场合下成为首选光学材料。

The YAG crystal also has optical isotropy , un-birefrigent effect and good homogeneity of the material , thus becomes the preferred optical materials on many occasions .

应用作者提出的二阶势理论，本文研究了各向同性弹性介质中P波与SV波的非线性相互作用，得到了相互作用波的表达式。

Using the second-order potential theory proposed by the author , this paper gives an investigation to the nonlinear interaction of P and SV waves in isotropic elastic media .

原生QI含量高的沥青可导致硬的各向同性的粘结剂沥青焦，该沥青焦热膨胀大，电阻高，导热性差。

A pitch with high content of primary QI leads to a hard , isotropic binder pitch coke with high thermal expension , high electrical resistance and low thermal conductivity .

将多层各向同性有耗介质平面结构的反射系数公式推广到含有单轴媒质层的多层平面结构，运用GA对这种复合介质结构的吸波特性进行优化。

The reflection coefficient of stratified dielectric planar structures with uniaxial medium included is formulated . GA is employed in the optimization of reflection characteristic of this composite dielectric structure .

应用Hankel变换，求解了横观各向同性弹性介质的轴对称动力学方程。

The dynamic equations of transversely isotropic elastic media in cylindrical system are solved by means of Hankel transform .