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粒子约束
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  particle confinement
     Its electron density is up to 8×10(12)cm(-3); the electron temperature is up to 50 eV; the particle confinement time is about.
     其电子密度达8×10~(12)cm~(-3),电子温度达50eV,粒子约束时间约为0.5ms,加热效率达25%以上。
短句来源
     The particle confinement with low density discharge can increase 1—2 times in LHCD.
     LHCD能使低密度放电的粒子约束增加 1至 2倍 .
短句来源
     Particle confinement time is enhanced 2.1times and energy confinement time, meanwhile,is enhanced 1.6 tines after rampingcurrent up.
     等离子体电流提升后,粒子约束时间提高了2.1倍,能量约束时间提高了1.6倍。
短句来源
     STUDY OF PARTICLE CONFINEMENT FOR VARIOUS DISCHARGES BY SPECTROSCOPIC METHOD
     用光谱学方法研究不同放电等离子体粒子约束
短句来源
     The particle confinement characteristics of plasmas in various discharges in the HL-1 tokamak have been studied by means of spectroscopy , including discharges with LHCD .
     本文用光谱学方法研究在HL-1装置上LHCD及ECRH等离子体、弹丸注入等离子体、偏压电极与偏压孔栏等离子体放电的粒子约束特性.
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  “粒子约束”译为未确定词的双语例句
     The obtained results are: n0≈109-1011cm-3, Γ0≈1015-1016 cm-2. s-1, R≈0.8 and τp a few to several ten milliseconds.
     粒子约束时间τ_p及再循环系数R等,测得n_0约为10~9—10~(11)cm~(-3),Г_0为10~(15)—10~(16)cm~(-2)·s~(-1),τ_p为几毫秒到几十毫秒,R≈0.8。
短句来源
     The thermal energy of plasma and confinement time for particles and energy are also increasing.
     等离子体热能、粒子约束和能量约束时间均有所增加。
短句来源
     ECRH,pellet injection,biased electrode and biased limiter.
     结果表明,在弹丸注入及使用正向偏压电极与偏压孔栏期间,等离子体粒子约束得到改善.
短句来源
     The profile of the measured edge electron temperature, electron density and the space potential by a moveable Langmuir probe became more slanted during the period of positive biasing and this correspond to the calculation results of the decrement of the edge particles flux and the increment of the particle confine time.
     利用可移动静电探针,测得正偏压期间边缘电子温度T_e(r)、电子密度n_e(r)、空间电位V_p(r)分布变陡,与计算得到的边缘粒子通量Г(a_(?) )减少,整体粒子约束时间τ_p增加结果是一致的.
短句来源
     The experiments showed that theparticle confinement time was improved under those two modes.
     实验表明,在这两种模式下粒子约束时间都有明显改善.
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  相似匹配句对
     The energy confinement and the particle confinement after injection are improved.
     注入改善了等离子体的能量和粒子约束性能。
短句来源
     Particle Simulation of the Magnetic Mirror Field Confining Plasma
     磁镜场约束等离子体的粒子模拟
短句来源
     Punishment to the violation of thecontract are three kinds: fine, mortgage on the loan and law restrain.
     法律约束
短句来源
     The Energy of the H-particle
     H粒子的能量
短句来源
     THEORY OF CONSTRAINTS
     约束理论
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  particle confinement
We show that the additional increase in energy caused by the betatron acceleration as the trap contracts is exactly offset by the decrease in the time of particle confinement in the trap, because the loss cone becomes larger during the contraction.
      
The effect of hexapole and vertical fields on α-particle confinement in heliotron configurations
      
It is found that the inward shift of the magnetic axis due to the vertical field improves the α-particle confinement.
      
Compact torsatron with improved α-particle confinement
      
Particle confinement in axisymmetric poloidal magnetic field configurations with zeros of B: Methodological note
      
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In this paper the effects of diffusion in a stochastic magnetic field are discussed. The time-dependent equations for diffusion flux and ambipolar electric field are derived. The results show that the relaxation time is much less than the life-time of particles, so that the quasi-stationary state can be reached. The ambipolar electric field is important and the ambipolar diffusion flux is of the same order of the ion diffusion level.

本文讨论了随机磁场中反常扩散效应的特征,导出了扩散流及电场随时间变化的公式,指出,趋向于稳态所需的时间远小于粒子约束时间,因而反常扩散基本上是准稳态的形式。此时,存在明显的双极电场,而双极扩散流基本上是离子扩散的量级。

The extended Landau theory about slowing down of electron traversing through matter has been applied to the investigation of slowing down of fast charged particles passing through fusion plasma. It is shown that there are some obvious differences between the solution of Fokker-Planck equation and our results. These differences come from different descriptions for larger energy exchange events in collisions. As a con crete application of the present theory, the energy gain of the fusion reaction produced by mixed...

The extended Landau theory about slowing down of electron traversing through matter has been applied to the investigation of slowing down of fast charged particles passing through fusion plasma. It is shown that there are some obvious differences between the solution of Fokker-Planck equation and our results. These differences come from different descriptions for larger energy exchange events in collisions. As a con crete application of the present theory, the energy gain of the fusion reaction produced by mixed deuterium and tritium beam has been calculated and the significance of improving particle confinement time has been shown.

本文将快电子在介质中慢化的Landau理论应用于快带电粒子在聚变等离子体中慢化过程的研究。研究表明,在一定的条件下本文的结果与Fokker-Planck方程的解有明显的区别。原因是粒子间大能量交换的碰撞事件对慢化过程仍起相当的作用。作为本文理论的一个具体应用,计算了氘氚束在聚变等离子体的能量增益,说明提高粒子约束时间对改善能量增益的意义。

The particle confinement has been studied by Monte-Carlo simulation in the intermediate regime between the collisional and collisionless regimes for the mirrors with space-varing magnetic fields, for example, LAMEX and parabolic magnetic field profiles. The particle confinement time in the intermediate regime is longer than the extrapolation values based on the formulas in other two regimes, and proportional to the mirror ratio. The density profiles have been obtained as self-consistent solutions from the simulation....

The particle confinement has been studied by Monte-Carlo simulation in the intermediate regime between the collisional and collisionless regimes for the mirrors with space-varing magnetic fields, for example, LAMEX and parabolic magnetic field profiles. The particle confinement time in the intermediate regime is longer than the extrapolation values based on the formulas in other two regimes, and proportional to the mirror ratio. The density profiles have been obtained as self-consistent solutions from the simulation. The dependence of the density profile on the plasma parameters are discussed.

本文在碰撞区和无碰撞区之间的过渡区,就LAMEX和抛物线轮廓两种空间变化磁场磁镜,用Monte-Carlo模拟研究了粒子约束问题。在过渡区,粒子约束时间高于其它两区公式的外推值,并与磁镜比成正比关系。这一模拟还用自洽解的方法得到了密度轮廓,并研究了这一轮廓和等离子体参数的关系。

 
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