查询词典 plasmas

X-ray spectra in an absolute intensity scale is obtained from Al laser-produced plasmas created by laser energy of 6.78 J.

展示了Al等离子体的类氦辐射谱线，其光谱分辨率大于1500。

The K absorption spectrum is one of the important methods to determine the temperature of radiation-produced plasmas.

铝K吸收谱是诊断辐射加热等离子体温度的重要方法之一。

The present work reports experimental determinations of atomic hydrogen in microwave discharge hydrogen plasmas formed from TM01 MW mode in an ASTeX-type reactor via optical emission spectroscopy by using Ar as an actinometer.

本论文的工作是在ASTeX型号的放电设备中产生TM01模式的微波，通过微波放电产生氢等离子体。本实验通过发射光谱运用内标气体氩，对氢等离子体中的氢原子Blamer线系和氩原子750.4 nm 处的谱线的相对强度进行了实验测定。

Framing shadowgraphy of UV laser probing with the 4th harmonic Nd-YAG Laser was developed for the diagnosis of Z-pinch plasmas. This system can effectively shield visible light and has advantages of high temporal resolution,large optical angular aperture and wide measuring range.

采用Nd-YAG激光器的四倍频激光(266nm)设计了激光探针分幅阴影成像系统，该系统具有时间分辨率和收光效率高，测量范围大，可有效屏蔽可见光干扰的优点，在钨丝阵实验中成功获得晚期内爆等离子体的分布图像。

Investigation of angularly and temporally resolved scattered lights from 0.351μm laser-produced plasmas.

刘慎业，蒋小华，滕浩，等。0.351μm激光辐照靶角度和时间分辨的侧向散射研究

Our main work is as follows: the stable laser mode theory in uniform plasmas is extended to non-uniform plasma cases; the discussion of the sufficient and necessary conditions for laser self-focusing in uniform plasmas is developed to non-uniform plasma cases; a quantitative approach to judge the impact of different plasma density distribution on laser self-focusing is proposed; the evolution properties of asymmetric laser filed in non-uniform and uniform plasmas are discussed and mechanisms that symmetric channel-like plasmas can confine the laser centroid around the plasma channel axes and symmetrize initially asymmetric laser beams are proposed; the formation of solitary standing wave in moderate plasma density is studied by PIC simulations and can be explained by stimulated Raman scattering of laser beams in plasmas.

主要工作为：把均匀等离子体中激光的稳定模理论推广到横向非均匀等离子体情形；把均匀等离子体中激光自聚焦的充分和必要条件的讨论推广到横向非均匀等离子体情形；给出横向密度分布不同的等离子体影响激光自聚焦的定量判据。讨论了初始不对称的激光场在横向非均匀及均匀等离子体中的演化特性，并提出了具有对称腔道结构的等离子体箍缩激光质心和对称化初始不对称激光场的物理机制。用粒子模拟讨论了激光场在等离子体中形成孤立驻波的过程，认为前向受激拉曼散射是发生此现象的可能机制。

Comparing the dispersive curves of electron-ion-plasmas with that of electron-plasmas, one gets the separatrix whether include ions contribution or not.

将其色散曲线与纯电子等离子体色散曲线对比，得到了是否需要考虑离子贡献的分界线。

In order to find out a new way for decolorating dyeing water,a Cold Plasmas device(the dimension of it was 690mm 60mm 10mm) of liquid-film flow type ,based on principle of cold plasmas by using dielectric barrier discharge,was designed and applied in the study of decoloration of indigo carmine solution.

根据介质阻挡放电产生冷电弧的原理，设计制作了&气包液流面型&CPs水处理装置(有效放电空间尺寸为690mm×60mm×10mm)，并将其用于对靛蓝胭脂红溶液的脱色研究。

The X-ray spectra emitted from laser-produced plasmas contain plentiful information. It is a powerful tool to carry out plasma diagnosis and to study the formation and evolution of the plasmas as well. It plays a significant role in the field of inertial confinement fusion.

激光等离子体发射的X射线谱中包含着十分丰富的信息，是研究等离子体形成、发展并进行状态诊断的有力工具之一，在惯性约束聚变研究中具有非常重要的意义。

An availible hydrodymanic code was developed to simulate laser-produced plasmas. Simulated results of laser-produced Al plasmas is in good agreement with the experimental data.

课题组还发展了现有的一维辐射流体力学模拟程序，对三倍频激光入射盘靶进行了数值模拟，并与汤姆逊散射得到的实验结果进行了比较。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。