查询词典 reduced equation

Reduced density matrix;Ohmic spectrum;Laurent series spectra;master equation

约化密度矩阵；欧姆谱；洛朗级数谱；主方程

For the Mooney material both cases are reduced to a linear partial differential equation solvable by the Fourier method.

对于Mooney材料，这两个情形均归结为可用Fourier方法求解的线性偏微分方程。

The Neumann boundary value prob-lem is firstly reduced into the equivalent natural boundary integral equation withthe kernel possessing 2nd-order singularity,and then the corresponding variationalproblem on the boundary is obtained.By applying Quak trigonometric wavelet basisBjsee(1.2.3as boundary elements and the method of expanding kernel functionto its Galerkin discretization,we obtain simple computational formulae of the en-tries in the stiffness matrix.

首先，我们将Neumann边值问题归化为等价的带有2阶强奇性核的自然边界积分方程，然后化为边界上相应的变分形式，以Hermite插值Quak三角小波基Bj见(1.2.3作为边界元并利用积分核函数展开法将其离散，得到了十分简单的刚度矩阵系数的计算公式，而且刚度矩阵具有十分简单的形式，它是分块循环对角阵。

As an additive N-way classification model is fitted to the data, the structure of the coefficient matrix of reduced normal equation obtained by eliminating the parameters of the other factors is discussed.

当对由实验所产生的资料配适具相加性的N-方式分类模型，我们讨论消去与其他因子有关的未知参数所获得之缩小的正规方程的系数矩阵之结构。

According to the model reduction strategy, the reduced-order model is composed of 17 ordinary differential equations, one algebraic equation, and 52 parameters.

仿真结果表明，简化模型能够准确地预测系统的动态特性，为模型分析和参数辨识提供方便，验证了模型简化策略的有效性。

An approximation method is presented. Through the use of the Taylor expansion in the vicinity of the scatterer,the problem is directly reduced to the solution of a polynomial equation which is simpler to treat.

给出了一种反演方法，通过在散射域附近Taylor展式的应用，使得问题直接转化为易为处理的多项式方程的求解。

Judging on the radioactive rays whether they penetrated through the truncated right angle cone shield configuration. A hypothetical circumscribed rectangular parallelepiped of the they penetrated through the truncated right angle cone shield configuration. A hypothetical circumscribed rectangular parallelepiped of the truncated right angle cone shield configuration is also presented. The methods simplified the camber equation and reduced the calculation time significantly.

在判断放射线是否穿透此圆锥台体时，又提出了圆锥台形屏蔽体的假想外接长方体的建模方法，将曲面方程联立解的复杂计算简化为一次代数方程的简单计算，大幅度地缩短了计算时间。

Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function .

本文通过引入位移函数使得立方准晶的轴对称弹性问题化为求解一高阶偏微分方程。

This inverse acoustic scattering problem can be reduced to the boundary integral equation.

这一反散射问题归结为外Neumann边界值问题，进而转化为一个边界积分方程。

We used reduced Bethe-salpeter equation to study the properties of heavy flavor mesons at a finite temperature.

我们采用约化的Bethe-Salpeter方程讨论了重味介子在有限温度下的性质，并基于Charmonium谱的统计性质提出了J／Ψ压低的一种新的机制。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。