动量的

On the basis of thoroughly analyzing the industrial bulk polymerization process of styrene, modeling is carried out by the way of theoretical analysis.

建立可靠的数学模型的关键在于对反应体系的物理、化学过程进行全面的定量描述，并推导出相应的质量、能量及动量平衡方程。

Hence, the convergence of solution is easily achieved. Comparing models on the traditional C-grid, our model solve the tangential momentum equation and avoid the inaccuracies caused by the simplicities of the C-grid.

本文模型与传统的C网格上的非静水模型相比，增加了对水平切向动量方程的求解，消除了因C网格的简化处理所带来的精度损失。

A new function express network total error.

选取了较优的学习率和动量因子的调整方法；用新的函数形式表示网络的总误差；改进了样本的学习顺序。

In order to practically predict the effect of the tree belt windbreak in mine-area environment protection, the flow through porous tree belts was numerically made. The airflow-tree canopy action was considered into the momentum equation as the resistance term, and then the resistance between obstruction and airflow was expressed numerically.

为了更好地发挥防护林带在矿区生态环境保护中的效用，采用数值模拟的方法预测防护林带的绕林流场，其中将气流－树木相互作用视为阻力项添加到动量控制方程中，由障碍物表面对空气流动的阻力来描述林带的遮蔽效应。

The experimental result of pan-tilt unit movement control,obtaining object moves with uniform velocity and uniform acceleration in the straight line from the real binocular sequence images by the mentioned method is presented.

基于单序列影像的3维运动分析中得到的运动信息是相对的，存在一个与深度有关的尺度因子，要想得到绝对移动量，需要一个附加条件[1，2]。为得到确定的

Constructing a unitary matrix for transformation of coordinates by means of quadratic form theory,the Hamiltonian of the 3D coordinate-momentum coupling harmonic oscillator is transformed into diagonalmatrix,it not only offer a general mathematic method for solving this kind of problems,but also have an active effect upon upgrading students ability to solve physics problems by mathematical theory.

利用二次型理论构造一个幺正矩阵进行表象变换，将|x〉表象中的三模坐标-动量耦合量子谐振子体系的哈密顿量对角化，这不仅提供了一种解决该类问题的一般数学方法，同时对培养和提升学生运用数学工具解决复杂物理问题的能力也具有积极的指导作用。

In the load forecast method based on the ANN, all load data should be normalized firstly, and then accessional momentum method are compared with L-M Back Propagation algorithm in efficiency and precision, at last L-M Back Propagation algorithm is winner due to its better forecast effect.

在基于神经网络的负荷预测方法中，首先对数据进行归一化处理，然后分别采用附加动量法和L-M 规则修正的误差反向传播算法，并对两种算法的计算速度和精度进行了比较，最终采用预测效果较好的L-M 规则修正的误差反向传播算法进行负荷预测。

RELAP5/MOD2/RMA is a best estimated transient simulation code which adopted the nonhomogenous and non-equilibrium two-liquid model with six governing equations to describe the thermalhydraulic phenomena of mass, momentum, and energy for both the liquid and vapor phase respectively, which eliminates the constraint of one saturated phase existed in the previous versions.

RELAP5/MOD2/RMA程序是一个最佳估算瞬态分析程序，采用六方程描述非均相、非平衡态的液相及汽相的质量、动量、及能量的热工水力现象，消除了先前版本中两相流体必有一相为饱和态的限制，被广泛用于小破口失水事故及其他瞬态的分析与计算中。

With the method of theoretic analysis on the basis of practice,the article indicates that the relaxative exercise has some important effect in influencing the speed skaters' result in long distance event and introduces some training idea and methods for relaxing them.

分析其原因，主要与运动员肌肉放松能力有关。随着体育科学技术的发展和运动技术水平的不断提高，运动员所承担的运动负荷在不断加大，这就要求运动员在高强度和大运动量训练之后，还应进行快速的、积极的身体机能恢复。

The effect of heattreatment on bonding strength of the Cu./Al bimetal interface was also investigated. When the semicone angle or the percent reduction goes up, the relative slide will also increase. Suitable diffusion heattreatment can improve the bonding strength.

试验结果表明，过大的锥形模半模角α和过大的断面减缩率r％，均会加大铜和铝之间的相对滑动量；合理的扩散热处理制度可以进一步增大Cu／Al双金属界面的结合强度。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。