Particle acceleration

Finally , the influence of resonant Self-focusing on particle acceleration in beat wave accelerator also be discussed .

最后还讨论了共振自聚焦对拍频波加速器中粒子加速过程的影响。

Particle acceleration during explosive phase of proton flares

质子耀斑爆发相的粒子加速

A plate collision particle acceleration method in gene transfer

用于基因转移的平板撞击微粒加速方法

Study on the law of particle acceleration motion and its application to prevention of sandstorm

颗粒加速规律研究及其在沙尘暴防治中的应用

The length of particle acceleration region in fast fluidized beds

快速流化床内颗粒加速运动段长度

A new model for auroral particle acceleration produced by shear Alfven waves is put forward .

提出一个剪切Alfven波加速极光粒子的新模式。

The particle acceleration and the interaction between gas and solids in the riser of circulating fluidized beds

循环流化床内颗粒的加速作用及气固两相间的动量交换

The Influences of the Shock Thickness and Alfven Waves on the Particle Acceleration by the Diffusive Shocks

扩散激波加速过程中激波厚度和级联阿尔芬波对粒子加速影响的研究

The eruption of a solar flare involves energy release , plasma heating , particle acceleration , mass flows , waves , etc. .

耀斑过程涉及能量释放、等离子体加热、粒子加速、物质运动、波动等现象。

Motivated by the particle acceleration problem in pulsars , it is numerically investigated for electrostatic instability of electron-positron pairs injected in an external electric field .

出于脉冲星中粒子加速问题，讨论外电场中注入的正负电子对静电不稳定性。

A kind of testing method similar to structural modality analysis can be applied to 3D cavity acoustic modality analysis . Two microphones with near space distance is used to measure the particle acceleration vector component .

一种与结构模态分析相似的试验方法可以被发展用于三维空腔声学模态分析，该方法使用空间距离靠近的两个传声器测量声学粒子加速度向量分量。

In this thesis , after briefly reviewing the basic properties , classification , particle acceleration , and radiation mechanisms of the SNRs . the multi-band non-thermal radiation features of the SNRs are investigated .

本文在扼要综述了这类天体的基本性质、分类、粒子的加速以及高能辐射的基础上，开展了壳型超新星遗迹多波段非热辐射性质研究。

In particle-beam field , the most intriguing applications of the nanotubes-rope channeling are connected with the possibility of particle acceleration in high gradient accelerating field , and with the possibility of construction of TeV colliders .

在粒子束物理领域中，碳纳米管绳沟道的最诱人应用是与在高梯度加速场里粒子加速的可能性相联系和与建造TeV对撞机的可能性相联系。

In the viewpoint of Lagrange , the relation of the remove acceleration , the viscosity force and the Coriolis force were analyzed . It shows that the particle acceleration was caused by the Coriolis force out of the vortex core during the vortex evolution .

用拉格朗日观点考察了迁移加速度、粘性力以及科氏力在流动中的关系，发现在涡核中心以外，流体微团在运动过程中的加速旋转是由科氏力的作用引起的。

In view of the frequency installation of radiospectrographs at Yunnan Observatory , the following radio subjects of observations and studies are suggested for the maximum phase of solar cycle 23 : ( 1 ) The study on releasing course of initial energy of proton flares and particle acceleration .

基于云南天文台射电频谱仪的频率设置，第23周太阳峰年期，我们作了下列观测研究选题：（1）质子耀斑的初始能量释放过程及粒子加速研究。

In a constant electric field , a charged particle experiences constant acceleration .

在恒定电场中，带电粒子得到恒定的加速度。

They can be rigidly mounted on the underwater structures to measure the acoustic pressure , acoustic particle velocity or acceleration and the spatial gradient of the velocity or acceleration of an acoustic field at a collocated point .

该水听器可以刚性固定于水下结构件上，测量声场一点处的声压、质点振速或加速度以及振速或加速度梯度。

Underwater Acoustic Technology for describing the sound field signals not only need scalar information-sound pressure in the sound field , but also need vector information in the sound field , such as sound pressure gradient , particle velocity and acceleration .

水声技术中要完整地描述声场信息，不仅需要声场的标量信息&声压，还需要声场中的矢量信息，如声压梯度、质点振速和加速度。

The effect of the ratio of initial gas and particle velocity on the acceleration of particle in a on spatial model

空间模式下初始气固速度比影响管内固粒加速特性的研究

The analysis of the equations and the simulation results shows that the particle motion in the acceleration zone has close relation with the initial velocity ratio of gas and particles , which is not true when the particle motion is stable ;

通过分析解析关系和数值模拟结果发现，初始气固速度比与固粒加速区的运动高度相关，但与稳定运动无关；

At first sight , laser beams and charged particle beams do not seem well suited for particle acceleration .

乍看之下，雷射光束和带电粒子束似乎并不适用于粒子加速上。

Based on the discrete treatment of the particle phase , various kinds of characteristic information are employed to quantitatively analyze fluidization mechanism , including gas-particle velocity fields , particle acceleration fields , pressure fields and pressure fluctuations , and et al .

基于对颗粒相的离散处理，本文利用气固速度场、颗粒加速度场、压力场、压力波动等特征信息量化分析了流化过程机理。

It was found that the radial profiles of local particle velocity are parabolic , a plateau in the centre region and steep decreasing in the region near the bed wall , and that the length of particle acceleration along bed height is longer than that expected .

实验结果表明：局部颗粒速度沿径向分布是不均匀的，床中心区域分布比较平坦，近壁环形区域分布较陡，颗粒沿轴向运动有较长的加速段。

Using a dispersive particle model and a particle tracking technology , a three-dimensional computational particle model on supersonic oxygen / air fuel ( SO / AF ) spray was constructed and the processes of particle acceleration and calefaction were simulated .

在超音速火焰流场数值模型的基础上，应用离散惰性粒子模型和粒子追踪法，建立了三维分析模型，对超音速火焰（SO/AF）喷涂粒子速度特性和温度特性进行了数值模拟。