It is shown that symmetry classes of tensors associated with groups U_(6m)and F_(p(p-1))do not have orthogonal basis consisting of decompoable symmetrized tensors,where m is a positive integer and p(≠2)is a prime number.
对两类群 U_(6m)和 F_(p(p-1))证明了张量对称类不存在由可分对称张量组成的正交基,其中 m 是正整数,p是一个不等于2的有理素数。
Based on the tensor expression of the fine-structure Hamiltonian for two-electron atoms and the non-relativistic energy structure theory for atoms with two valence electrons,and with the help of irreducible tensor theory,analytical expressions of the fine structure for n1sn2p configuration of Helium-like atoms have been derived.
以双电子原子精细结构哈密顿的球张量形式和二价原子的非相对论性能级结构理论为基础,借助不可约张量理论,导出了氦原子(n1sn2p)组态精细结构能级的解析表达式,在这一过程中,完成了所有的角向积分和自旋求和计算,其结果用若干个径向矩阵元形式来表示。
In the present paper,theoretical expressions of the fine structure parameter has been derived with the help of irreducible tensors.
本文借助不可约张量理论,导出了通常由光谱实验数据确定的氦原子sp组态自旋-轨道相互作用精细结构参数A的理论计算式,在推导过程中完成所有角向积分和自旋求和计算。
The orbital integrations and the summations over spin are completed with the help of irreducible tensors.
借助不可约张量理论,导出了氦原子23P态自旋-其他轨道相互作用能的理论计算式,在推导过程中完成了所有角向积分和自旋求和计算。
On the function and significance of dual bases in tensor analysis;
对偶基矢量组在张量分析中的作用与意义
Basic role of Linear Algebra in Tensor Analysis;
线性代数在张量分析中的基础作用
Under the modified bipolar coordinate system with applying the tensor analysis,the general Reynolds equations are derived for bearing lubrication viscous flow between two nonconcentric rotating cylinders.
运用张量分析方法及修正双极坐标系,建立了轴承润滑流动所应满足的广义Reynolds方程。
We derive the relations between physical and tensor components.
我们推导物理分量和张量分量之间的关系式。
Quantitatively analysis of DTI of the cervical spinal cord
正常人颈髓扩散张量成像的定量分析
Using the metric tensor ?? one may form compontents of other variances.
利用度量张量?夯箍梢怨钩善渌?变异的分量。
The quantities baβ are the covariant components of a plane tensor, called the curvature tensor of the surface.
baβ是“平面张量”的协变分量，叫做该曲面的曲率张量。
The contraction may be applied to products of components, which have tensor character.
缩并可以用于具有张量性质的分量之积。
Diffusion-tensor imaging measures the direction of movement of water molecules.
扩散张量成像技术可以测量水分子的运动轨迹。
Study of Paper Moisture & Weight Testing Techniques Based on Near-infrared Radio
基于近红外线的纸张水分及定量测量技术研究
Inertia Tensor Analysis for High-Rolling Projectile with Inner Moving-Mass Framework
滑块机构下高旋弹头的惯量张量特性分析
Quantitative analysis of the invasive potential of gilomas by diffusion tensor imaging
弥散张量成像量化分析脑胶质瘤侵袭性
A New Method of Computing the ConductivityTensor of Brain Tissue Based on Water Diffusion Tensor
由水分子扩散张量计算脑组织电导率张量的新方法
Advanced Engineering Fluid Mechanics ?
高等流体力学(含张量分析)
Tensor Analysis and Its Application ?
张量分析及其力学中应用
One third of the tensor is often called the bulk stress.
张量的三分之一通常称为体应力。
EXTENSION ANALYSIS ON THE BOHAI FAULTED BASIN AND ITS HYDROCARBON POTENTIALITY
渤海断陷盆地拉张量分析与油气潜力
Meteorological Condition Analysis and Yield Prediction of Chinese Cabbage in Zhangye Prefecture
张掖大白菜气象条件分析与产量预报
Two-Weight Integral Inequalities for Conjugate A-Harmonic Tensors;
共轭A-调和张量的双权积分不等式
An improved approach on distortion decomposition of magnetotelluric impedance tensor
一种改进的MT阻抗张量畸变分解方法
Decoupling control of paper's moisture contents and basis weight based on improved DRNN
改进DRNN用于纸张水分定量解耦控制