A crossplot of two components of particle motion over a time window.
质点在一个时窗内运动的两个分量的交会图。
The gauge invariance of a charged particle motion in uniform magnetic field;
本文分析了带电粒子在匀强电场、匀强磁场、复合场中的运动。
Further, all the laws of nature that govern the particle motion are not known.
再者，支配粒子运动的一切自然规律也都是未知的。
The modern theory of particle motion was initiated by the Italian scientist Galileo.
近代的粒子运动理论是意大利科学家伽利略创始的。
The effect of particle size and initial velocity on the particle motion behavior is discussed.
并讨论了粒子的尺寸、初始速度的大小和方向对粒子在叶栅内运动特性的影响。
Based on single particle motion theory, the motion of cylindrical particles in the parallel flow was studied.
根据单粒子的运动理论，研究了圆柱粒子在平行气流中的运动状况。
The bigger particle diameter, and the bigger particle density, the longer the distance of particle motion will be.
粒子直径越大、密度越大，在同样时间内，粒子移动的距离越远；
The effect of roughness on particle motion in the recirculation zone is weaker than that in the fully developed flow region.
壁面粗糙度对流场中不同位置处颗粒运动影响的强弱不同，其中逆流区处较弱，下游处较强。
The MSS analysis is expected to offer an effective tool for exploring the particle motion in fluidized bed with coarse granules.
多重分形谱图分析有望为大颗粒流化床中颗粒运动规律的探测提供一种新的手段。
We also performed numerical simulations to investigate the flow field and particle motion inside the channel of labyrinth emitter.
其次本文对单侧压边迷宫滴灌带流道内的液相流场和颗粒相运动进行了数值模拟分析。
A method based on the transverse particle motion equation is described for the calculation of beam acceptance for RFQ accelerators.
基于RF Q加速器中束流横向运动方程描述了一种计算其入口处束流接受度的方法。
The particle size of the feed must be well controlled to reduce size effect and make the particle motion primarily density-dependent.
还必须很好地控制给料的粒度，以减少粒度效应，使矿粒的运动主要按比重进行。
Based on the orbit equation of particle motion in central force field, the stable property and close property of orbit were discussed.
在中心势场中粒子运动轨道方程的基础上，进一步讨论粒子轨道的闭合性、稳定性。
The basic principles of DEM(discrete element model), and the equations of particle motion and models of particle particle interaction are introduced.
介绍了离散元（DEM）方法的基本原理、颗粒运动控制方程和颗粒相互作用力的数学模型。
The temperature reduction results from the Bernoulli conversion of random gas-particle motion (temperature and pressure) into directed motion (flow).
这个温度降低是由于随机气体微粒运动(温度和压力)的柏努利转换成定向运动(流)而造成的。
The relationship between turbulent intensity of particles and those of the carrier fluid was studied theoretically based on simplified particle motion equation.
从简化的颗粒运动方程出发，分析了在剪切流场中颗粒脉动强度和流体脉动强度之间的关系。
The feature of explosion signals in elastic-plastic region of rocks is in the state of high pressure, of high speed, and of transient action on the particle motion.
岩石介质中爆炸波的特点是压力高、传播速度快，对介质质点的作用在瞬间完成。
Basic method to describe motion of body; basic physics quantities and method to describe the particle motion; the supposition principle of motion and relative motion.
描述物体运动基本方法；描述质点运动基本物理量和运动方法；运动的叠加原理和相对运动。
The effects of solid concentration and particle diameter on bubble collapse have been studied, and the particle motion during the bubble collapse has been observed and analyzed.
研究了颗粒浓度及粒径对空泡溃灭的影响，以及观察和分析了空泡溃灭过程中的颗粒运动。
Two methods to improve the impact velocity are proposed. The dynamic equation of particle motion is established. The influence parameters to the impact velocity are calculated and analyzed.
提出了两种提高冲击速度的方法，建立了颗粒运动的力学方程，计算和分析了影响冲击速度的参数。
Studying Brownian motion by the difference equation, We can find that the partial differential equation describing the Brownian particle motion is a diffusion equation in mathematical physics.
引入差分方程研究布朗运动，会发现极限情况下的布朗运动所遵循的偏微分方程就是数学物理方程中的扩散方程。
The numerical simulation for furnace gas flow and coal powder particle motion under various conditions of reverse secondary air is carried out based on turbulent flow and multiphase flow theories.
运用湍流理论和多相流动理论对不同二次风反切工况下炉内气流、煤粉颗粒运动进行了数值模拟。
I want to write down for you equations for a moving particle a moving object in three-dimensional space very complicated motion which I can hardly imagine what it's like.
我下面给大家，粒子的运动方程，即在三维空间中物体的运动，非常复杂的运动，很难想象它是如何的。
So, actually, if you look at motion of charged particles in an electric field caused by a point charged particle, it also satisfies Kepler's law, satisfies the same law.
事实上，如果你观察带电粒子，在点电荷引起的电场中的运动，它也满足开普勒第二定律。
Then, we study some turning motion model, and then puts forward a curve motion model and its brief model based on the particle.
然后介绍了几种转弯运动模型，提出了一种基于质点的曲线运动模型及其在特定条件下的简化模型。
Further topics include kinematics, particle dynamics, motion relative to accelerated reference frames, work and energy, impulse and momentum, systems of particles and rigid body dynamics.
更进一步探讨运动学，质点动力学，于加速座标系上之运动行为，功，能量，冲量，动量和质点系统与刚体动力学。
Cyclone separator is a kind of equipment that USES rotary motion of gas-solid two-phase fluid to make the solid particle separated from the gas flow by centrifugal force.
旋风分离器是一种利用气固两相流体的旋转运动使固体颗粒在离心力的作用下从气流中分离出来的设备。
But the PM2.5 particle obeys Brown motion law is out of order, into the pore particles less than the calculation theory, the use of screens should be longer than the theoretical calculation time.
但PM 2.5微粒运动也遵循布朗运动规律，是杂乱无章的，进入微孔的颗粒比理论计算少，纱窗使用时间应比理论计算时间更长。
This simple result is at the root of the arithmetic and algebra of Brownian motion and particle diffusion.
这个简单的结果是粒子扩散和布朗运动的算术和代数基础。
This simple result is at the root of the arithmetic and algebra of Brownian motion and particle diffusion.
这个简单的结果是粒子扩散和布朗运动的算术和代数基础。
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