等离子体

Students who are interested on plasma physics on steady-state operations, computer simulation and numerical calculation of radial electric field are welcomed.

可招收超导托卡马克稳态运行的实验以及控制技术、等离子体高约模和等离子体中径向电场的数值模拟计算专业学生。

Meanwhile, the reciprocity theorem is used to evaluate the composite scattering from plasma-coated sphere-sphere pair /cylinder-cylinder pair.

本文同时应用互易性原理计算了等离子体涂覆球-球，等离子体涂覆柱-柱复合目标的电磁散射特性。

Simulation results also show that saddle-shaped distributed AMF can more effectively inhibit constriction of vacuum arc.

对于小电流扩散态真空电弧，重点仿真分析不同电弧电流与不同纵向磁场对其关键特性的影响，部分仿真结果进行了实验验证；对离子处于超音速流动的收缩态真空电弧的仿真表明，真空电弧的磁收缩主要是由于霍尔效应引起的，离子温度和电子温度沿轴向先增大后减小，马鞍形分布的纵向磁场能够更有效地抑制真空电弧的收缩，而且阴极斑点分布对真空电弧特性也有着显著的影响；对离子处于亚音速流动状态的大电流真空电弧的仿真表明，部分等离子体不能到达阳极而损失，马鞍形分布的纵向磁场能够更有效地抑制电弧等离子体的损失，同时能使阳极电流密度和能流密度的分布更加均匀。

We also give the synchrocurvature radiation spectrum in plasma and explore the effects of plasma on its self-absorption properties.

虽然在真空中同步曲率辐射与同步辐射一样没有负吸收放大作用，但等离子体对辐射谱和自吸收性质有重大影响，在考虑活动星系核等天体中等离子体的辐射问题时必须考虑。

It is named shift operator FDTD method. The high accuracy and efficiency of this method is confirmed by computing the reflection coefficients of electromagnetic waves by a collisional plasma slab. The reflection coefficients between plasma and the atmosphere or vacuum can be calculated by using the SO-FDTD method.The result is that the reflection coefficie...

应用该方法计算了冷等离子体平板对电磁波的反射系数，通过与解析结果的比较，验证了该算法的高效性和高精度，同时，应用SO_FDTD方法，计算了等离子体层对垂直入射电磁波的反射系数，结果表明等离子体厚度、电子密度、电子密度的分布形式和入射波频率是影响反射系数的重要因素。

By employing the diffraction grating coupling technology and the basic theory of surface plasmons,we successfully excited the SPs along Al/air interface,and first observed the extraordinary enhancement and beaming effect of EMW transmission through a single subwavelength metallic slit in X-band microwaves.

利用表面衍射光栅耦合技术和表面等离子体激元的基本理论，成功地在金属铝的表面上耦合激发了表面等离子体激元，首次在微波的X波段发现了电磁波通过亚波长金属狭缝的超强透射和聚束效应。

In theoretically, the hot spot model of plasma ignition is studied, it can describe the ignition behaviors at a qualitative level and analyze all sots of effects.

理论上，研究了等离子体"过热点"点火理论模型，可以对等离子体点火过程进行定性地描述，分析点火过程中的各种效应。

The hot spot model of plasma ignition is studied , it can describe the ignition behaviors at a qualitative level and analyze all sots of effects .

理论上，研究了等离子体"过热点"点火理论模型，可以对等离子体点火过程进行定性地描述，分析点火过程中的各种效应。

Starting from the spectral representation of quasi-particles, when Debye screening mass and finite width of the particle are taken as parameters into the spectral functions, we will get effective propagators of quarks and gluons, and then establish the effective perturbation theory which reflects directly collective effects in QGP, and analyse some thermodynamics problems about soft partons in QGP.

接着，从准粒子的谱表示出发，自洽地将Debye屏蔽质量和粒子的有限宽度作为参量纳入QGP中玻色型和费米型准粒子的谱函数，得到夸克胶子等离子体中胶子和夸克的有效传播子，进而建立了直接反映QGP集体效应的有效微扰论，藉此一般性地分析了夸克胶子等离子体中软粒子的有关热力学问题。

First, the ICF and the fast ignition are introduced simply. Secondly the basic concepts and theories for laser-plasma interaction are expatiated, then the recent research status, the generation mechanisms of spontaneous magnetic field during the interaction of laser-plasma are described in detail. Finally the introduction is focused on the experiment setup and results of spontaneous magnetic field on 20TW laser facility in China Academy of Engineering Physics Key Laboratory.

论文简单介绍了惯性约束聚变和快点火的概念，阐述了激光等离子体相互作用相关的基本概念和基础理论，比较全面地阐述了激光与等离子体相互作用中自生磁场的研究现状、产生机制，并详细介绍了在高温高密度国家重点实验室20TW超短超强激光装置上利用高次谐波伴线结构法取得的自生磁场测量结果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。