Thus the best material gradient equation is selected.
并根据计算结果选出最优的材料梯度方程。
The force line and potential gradient equation are deduced.
同时推导出其电力线方程和电位线方程。
Because the gradient vectors here are f sub x, z If you have a third variable z gz then you have also an equation f sub z equals lambda g sub z.
因为这里，梯度向量就是，如果还有一个变量,那就还有一个等式fz等于λ乘以。
The testing results of a low permeability reservoir indicate that this IPR equation can effectively evaluate the impact of starting pressure gradient on inflow performance.
某低渗透油田的测试分析结果表明，该IPR方程能有效评价启动压力梯度动态变化对油井动态的影响。
According to the assumption of slightly compressible fluid, neglected the quadratic gradient term in nonlinear partial differential equation is usually lead to error.
在非线性偏微分方程中，根据弱可压缩液体的假设，忽略二次梯度项，在试井较长时间内将产生误差。
A novel gradient constraint equation was obtained through analyzing the error of temporal gradient.
通过对时间梯度误差的分析，得到了新的梯度约束方程；
The inverse problem is solved using conjugate gradient method of minimization based on discrete ordinates method of radiative transfer equation.
该方法是在辐射传递方程离散坐标近似的基础上，用求目标函数极小值的共轭梯度法进行反演计算。
Based on the theory of two-phase flow, the equation of the pressure gradient is found for the short pipe in cavitation jet cutting set.
基于两相流体动力学的理论，建立空蚀射流切割装置中短管内的压力变化梯度的基本方程式；
This equation describes the diffusion coefficient depends on a quantity and its gradient in a diffusion procedure.
这一方程描述了扩散过程中扩散系数依赖于未知量及其自身梯度。
An incomplete Cholesky-conjugate gradient method is used to solve the pressure equation of two phase bi-dimension model.
本文把不完全乔利斯基——共轭斜量解法用于求解二维二相模型的压力方程。
The new algorithm uses the quadratic conjugate gradient algorithm (QCGA) to solve the forward-backward linear prediction matrix equation.
本算法用自适应算法，二次型共轭梯度算法，解前后向预测构成的矩阵方程。
Based on the flow equation concerned on threshold pressure gradient and deforming media, this paper productivity equation and IPR forecasting method for low permeability reservoir.
基于考虑启动压力梯度和介质变形特性的单相流渗流方程，建立了适应于低渗透油藏油井的产能方程，并给出了低渗透油藏单相流ipr预测方法。
The attitude motion equation of satellite was given, and the attitude of magnetic control for gravity gradient satellite would go to stable.
给出了卫星姿态运动方程，并证明采用两种方法控制卫星姿态的稳定性。
The relationship of gradient and corresponding critical slope height of the slope without significant constructional surface fits Masilofo equation.
通过试验得出无控制性结构面的边坡的极限稳定高度与坡角的关系大致满足马斯洛夫方程。
An eigenmode equation of ion temperature gradient driven instability in a tokamak plasma with negative magnetic shear is solved numerically by the shooting method.
采用打靶法，数值求解了在负磁剪切托卡马克等离子体中离子温度梯度驱动的复本征模方程。
The author puts forward the layer-by-layer inversion method for one-dimensional wave problem, which is based on the gradient regularization(GR)method for wave equation inversion.
本文在求解波动方程反问题的GR（梯度正则化法）方法基础上提出一种一维波动问题的分层反演方法。
According to the filter matrix particularity, the filter equation was solved by using conjugate gradient method.
并根据滤波矩阵的特殊性，？用共轭梯度法求解滤波方程。
The energy equation is solved by the zonal method, and the inverse radiation problem is solved through the minimization of performance function with the conjugated gradient method.
采用段法(区域法)求解正问题，反演中采用求目标函数极小值的共轭梯度法。
The obtained empirical equation can be used for evaluating the air permeability coefficient of the metal fiber filter medium with gradient pore size.
所得到的经验方程可用来估算多层金属纤维滤毯的透气系数。
Using gradient-descent methods the energy function is minimized and a curve evolution equation is obtained to segment the image.
运用梯度最陡下降法，推导出能量函数曲线演化方程，并应用于图像分割。
Coupling the Bernoulli's equation and critical tractive stress theory, a critical hydraulic gradient model based on critical velocity is developed.
结合伯努里方程和临界牵引力理论，得到了基于临界速度的临界水力梯度公式；
The equation shows that the potential depends on the chemical potential gradient of the active ions in the occluded pitting and partial potential drop corresponding to the same ions.
此式表明，蚀坑内的电压取决于蚀坑内各类活性腐蚀因子的化学势梯度和相应粒子的电压降。
By using a numerical shooting code, the governing equation is solved. It is shown that the presence of the temperature gradient makes the stabilization effect of FLR stronger.
利用数值打靶方法求解本征方程，证明存在温度梯度将加强离子有限回转半径的稳定作用。
By using a numerical shooting code, the governing equation is solved. It is shown that the presence of the temperature gradient makes the stabilization effect of FLR stronger.
利用数值打靶方法求解本征方程，证明存在温度梯度将加强离子有限回转半径的稳定作用。
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