查询词典 derived equation

Furthermmore, the jet central line equation is derived from experiment and theoretical analysis.

另外，通过试验和理论分析，还导出了射流中心线方程。

According to the plastic equilibration equation and the theory of characteristic line, the stress equations of slip line in axial symmetry deformation on compressible materials were derived on basis of simplified yield criteria in this paper.

本文在可压缩材料简化屈服准则的基础上，根据塑性平衡方程和特征线理论推证出了可压缩材料轴对称问题的滑移线应力方程，提出了应力方程数值差分解

Firstly, the basic principle of Finite-Difference Time-Domain is introduced and the 2-dimensional FDTD equation is derived from the Maxwells equations, calculated by setting up the appropriate excitation source, cell size, the interval of space and time.

首先，介绍了时域有限差分法的基本原理，从麦克斯韦方程出发，建立二维空间中的时域有限差分方程，通过设置合适的激励源、网格尺寸、空间和时间步长进行计算。

Starting from gas state equation, this paper derived a binary regression model for predicting UGS pressure and gas injectionproduction volume relationship.

从气体状态方程入手，推导出了一种预测地下储气库压力和注采气量关系的实用二元回归模型。

An analytic equation for electromagnetic response of semi-space sphere is derived. The areal, pseudo-sectional and frequency responses of low and high resisting buried sphere trippers in the even semispace are calculated, the characteristics and rules are analyzed.

推导出基于半空间中球体的电磁响应的解析式，计算了均匀半空问中低阻和商阻埋藏球体的倾子的平面、拟断面和频率响应，分析了其特征和规律。

An inflation model that driven by rolling tachyon is investigated and its equation of density perturbations is derived.

我们研究了滚动快子驱动宇宙暴涨的可能性，导出了快子暴涨下的密度扰动方程。

The locus equation of the roulette of the simple fixed axis gear train was derived by transforming coordinates first, and some typical figures were demonstrated by computer. The relationships among characteristics and forms of the roulettes and the transmission ratios, mechanism parameter and the original phase angles were investigated.

首先应用坐标变换的方法推导出了简单定轴轮系的旋轮线的方程，并利用计算机画出了一些典型图形，研究了旋轮线的性质、形状与传动比、尺度参数和初始角的关系。

Based on the discrete-time difference equation of the plant,an explicit solution of Diophantine matrix polynomial equations in multivariable generalized predictive control is derived without appealing to Diophantine matrix polynomial equations recursions or iterations,which makes the applications of generalized predictive control much more convenient.

直接利用被控对象的离散差分方程推导出多变量广义预测控制中Diophantine矩阵多项式方程的显式解，从而避免了其递推求解或迭代求解，使广义预测控制的应用更加方便。

A general equation was derived for calculating the coordinates of the convergent point. The physical meaning of the coordinates was discussed from the point of view of thermodynamics. The ordinates of the two kinds of convergence are the same, i.e. the free energy change of the solutes is equal to zero.

建立了溶质平均收敛点坐标的计算方程，并从自由能变的角度表征了收敛点坐标的物理意义，阐明了收敛点的纵坐标相等的原因是溶质在收敛点处的自由能变为零。

To simulate the diffusion of the vortex sheet into the flow field as time goes on, Koumoutsakos' analytical solution is employed, in which an effective vorticity flux is derived and used for solving the vorticity diffusion equation.

而涡片之环量随时间扩散进流场之现象则藉由Koumoutsakos之理论，以边界上之等效涡度通量求解扩散方程式，得解析解后，再将之离散为边界附近之新涡泡。

It also analyzes the feature and development of semi-finish grinding and finish grinding by roller press.

同时进行了辊压机半终粉磨和终粉磨系统的特点和发展分析。

When I got there, water was dripping slowly from the ceiling and forming a pool on the floor.

当我到那里的时候，水是慢慢地从天花板滴而且形成在地板上的一个池。