张量

baβ是“平面张量”的协变分量，叫做该曲面的曲率张量。

The quantities ba β are the covariant components of a plane tensor , called the curvature tensor of the surface .

电场和磁场合并为电磁场张量。

The electric and magnetic fields have been amalgamated into electromagnetic field tensor .

一般说来，力和通量可以具有不同的张量特征标。

In general , fluxes and forces may have different tensorial characters .

这类张量叫做反对称张量或斜对称张量。

Tensors of this kind are called antimetric or skew-symmetric .

MR扩散张量成像在脑囊性坏死性肿瘤与脓肿鉴别诊断中的价值

Study of diffusion tensor imaging in necrotic brain tumors and abscess

MR扩散张量在临床脑梗死运动功能康复评估中的应用

Diffusion tensor imaging in the rehabilitation of cerebral infarction patients

MR扩散张量成像在阿尔茨海默病评估中的作用

The role of MR-diffusion tensor imaging in the assessment of Alzheimer ′ s disease

给出了常见夹杂形状的P张量公式。

The formulae of P tensor of some inclusion shapes usually used in composite are given .

基于PCMatlab平台的扩散张量参数的计算

Computing the measurements of diffusion tensor imaging based on PC and Matlab

Contact黎曼结构的曲率张量

Curvature tensor of contact riemannian structure

关于形变张量场π（y）x-g（x，y）p

On the deformation tensor field π( y ) x - g ( x , y ) p

1（p）上定义了组合算符η，给出了由1-形式诱导的向量场是辛向量场的充要条件，同时还得到了有关组合算符η和Poisson张量的一些恒等式。

Also obtained are some identities about combination operator η and Poisson Tensors .

PC平台MR图像后处理工作站的开发与扩散张量参数图的研究

The investigation of MR postprocessing workstation on PC and the study of the ADC parameter image

数值试验的结果表明，引入S波与P波联合反演非对称矩张量是必要的。

The synthetic test indicates that it is necessary to use P and S waves to joint invert asymmetric moment tensor .

赋值模范畴Fm中的张量函子

Tensor Functors in the Category F_m of Evaluated Modules

在绕x3轴转动时，这些张量的分量的某些组合是不变的。

Certain combinations of the components of these tensors are invariant under rotations about the x3-axis .

Raman散射张量（作为统一张量）元的选择定则

Selection Rules for Raman Scattering Tensor as Unified Tensor

作为统一张量的Raman张量的程序化计算

Program for Calculating Raman Tensors as Unified Tensors

n维空间的线性变换群SL（n）的不可约张量表示

Irreducible tensor of the linear transformation group SL ( n ) of n-dimensional space

Si（111）-2×1重构表面的自动张量低能电子衍射研究

Study of Si ( 111 ) - 2 × 1 Reconstruction by Automated Tensor Low Energy Electron Diffraction

并得到了ZnO在不同应变下的电光张量和非线性光学系数。

Especially , the electro-optic tensors and the nonlinear optical constants of ZnO with different strains are also obtained .

MRI技术包括常规MRI、磁共振波谱、弥散张量成像和血氧水平依赖成像已经应用于肌萎缩侧索硬化的临床诊断及相关研究。

MRI techniques including conventional MRI , MRS , DTI and BOLD have been applied in the clinical diagnosis and related studies in ALS .

正常人椎间盘MRI弥散张量成像ADC值、FA值与年龄和解剖部位的相关性研究

The Correlation between the MRI-DTI-ADC / FA Value and Age , Anatomic Location of Healthy Volunteers Lumbar Intervertebral Discs

采用Maxwell应力张量对微粒受到的静电力进行了计算和分析，其结果从力学角度解释了实验观察得到的结果。

The electrostatic force evaluation with Maxwell stress tensor theory properly explains the experimental results .

脑白质疏松的扩散张量成像（DTI）研究

The DTI Study in the Cerebral White Matter of Leukoaraiosis

目的：探讨磁共振弥散张量成像技术（DiffusionTensorImaging，DTI）在Wallerian变性中的诊断价值。

Objective : To explore the value of the diffusion tensor imaging ( DTI ) in diagnosing Wallerian degeneration .

裂纹散射场可用裂纹张开位移COD与Green应力张量的褶积表示。

The scattered field caused by a crack can be expressed in terms of the convolution of crack opening displacement ( COD ) with Green stress tensor .

Lorentz力矩及其张量特性

Lorentz Torque and Its Specific Tensor Property

本文提出了Maxwell方程组基本的、适用于任意坐标系的张量公式及广义矩阵公式，还揭示了推求正交或非正交的曲线坐标系中Maxwell方程组的示例。

An example of deriving basic formulae of Maxwell 's equations in an arbitrary coordinates system is presented .

这种矩阵张量乘积表示式不仅揭示了各种DFT（（？）2）算法之间内在联系和便于比较它们的计算复杂性，而且给出获得最小乘法次数的DFT（2（？）

This unified expression of tensor products of matrices not only delineates the inherent relationship between various DFT ( 2 (?)