第二，核电站还是处于不稳定的状态，存在着突然释放大量放射性粒子的风险。
Two, the plant is still unstable, at risk of suddenly emitting vastly greater amounts of radioactive particles.
有种普遍的假说：暗物质是由极不稳定的粒子组成，它们不能与普通物质相互作用，甚至连光也不能，因此人们无法看到它们。
A popular hypothesis is that dark matter is formed by exotic particles that don't interact with regular matter, or even light, and so are invisible.
着重论述了运用胶体物质的不稳定性理论，解释微粒子助留技术的作用机理。
It suggests that microparticles can assist the polymer by upsetting the stability of colloidal materials which interfere with the action of the polymer.
在空隙中可以存在低衰减的分立的本征模，它们容易被高能粒子驱动而不稳定，从而在一定条件下会造成高能粒子的损失。
Weakly damped discrete modes can exist in these gaps. These weakly damped modes can be driven to be unstable by energetic particles, which results in the particle loss.
用单粒子理论分析了未被有质动力势阱捕获的电子对电磁波泵自由电子激光边带不稳定性的影响。
Influence of untrapped electrons on the sideband instability of electromagnetic Wig-gler free electron laser(EM-FEL)is analyzed in detail with single-particle theory.
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。
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.
它主要研究激光在等离子体中的传播、吸收，各种参量不稳定性、超热粒子的产生机制等。
The main research issues for laser plasma interaction are the propagation and absorption of the laser in plasma, parameter instabilities, the generation mechanism of super-thermal particles, etc.
粒子在气泡表面上滑移时处于不稳定状态，气泡受到轻微的扰动，粒子就会失稳脱离液膜。
While the particle on the bubble surface slips in unstable state, the particle can detach from the bubble surface as the bubble is disturbed slightly.
设计了一个二维三分量的粒子模拟程序，并用它计算了空间物理中两种常见的物理现象：束流不稳定性和磁场重联。
Using this method, we design a 2D particle simulation code, and numerically study two common physical phenomena in space physics:beam instability and magnetic reconnection.
设计了一个二维三分量的粒子模拟程序，并用它计算了空间物理中两种常见的物理现象：束流不稳定性和磁场重联。
Using this method, we design a 2D particle simulation code, and numerically study two common physical phenomena in space physics:beam instability and magnetic reconnection.
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