粒子运动

Electric field distributions and the equation of motion ofthe particles near axis in RFQ Linac are given.

给出了它的近轴区内高频电场的分布及粒子运动方程。

Numerical method was used to calculate the flow field in three-phase fluidized bed, and to find the better arrangement of rectifying plate. The Discrete Phase Model was used to track the particles track and analyse the influence of structure parameters and operating parameters on dust-collection efficiency. The experimental results coincided with the calculation result.

利用数值计算的方法模拟计算三相流化床塔内流场分布，探求三相流化床的设计参数和运行参数对流场分布的影响，并找出优化整流板布置的方法；利用离散相模型模拟计算粉尘粒子运动轨迹，分析设计参数和运行参数对除尘效率的影响，并与实际工程测试结果比较，结果是两者基本吻合。

By considering the Newtonian limit, the gravitational field potential is a nonintegrable Henon-Heiles structure.

在第二章中，我们研究了在几种引力场中试验粒子运动状态的动力学演化。

The non-conservative impulsive force that represents the chemical energy consumed in the conformation changing process is a crucial factor to the directed motion of the Brownian motors.

非保守脉冲力反映构象变化过程中消耗的化学能，是一个影响布朗粒子运动的重要因素。

Hexagon in the process of cellular automata to simulate single particle movement, FHP is based on the rules.

本程序在六边形的元胞自动机上模拟单粒子运动，算法是基于FHP规则。

Then flow conservation equation, k-ε turbulence model, particle movement model and numerical schemes are detailed.

较详细地介绍了CFD中流动控制方程、紊流模型、粒子运动模型，以及数值方法。

The motion equation of a particle is reduced to the nonlinear differential equation with a weak_periodic modulation by sine_squared potential.

利用正弦平方势把粒子运动方程化为具有外周期弱调制的非线性微分方程，并利用Melnikov方法分析了系统出现Smale马蹄的临界条件。

Lorenz modeled the location of a particle moving subject to atmospheric forces and obtained a certain system of ordinary differential equations.

洛伦兹模拟了经受大气力粒子运动而获得普通微积分方程一个确定系统。

It can not eliminate through the unitary transformation or the re\|definition of the wave function.

评述并证明了在场强为零势不为零的复连通区域，规范势沿入射粒子运动闭合路径的不可积积分是贝里几何位相，通过么正变换或重新定义波函数不能除去

Moreover, the vorticity field was added to the SPH model efficiently, which improved the details of particles' movement.

在SPH模型中，较为高效地加入了漩涡场的计算，增加了粒子运动的细节。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。