查询词典 plasmas

In this thesis, the contribution of electric quadrupole (E2) and higher pole transitions to the opacity of hot and dense plasmas of element aurum is taken into account by using an average-atom model.

因此本文在有心力场单电子近似下，利用平均原子模型研究了电四极及更高阶跃迁对金元素的高温稠密等离子体辐射不透明度的贡献。

With the present lasers, X-ray microscopy can be made using narrow band emission or black body radiation from laser plasmas.

就目前的泵浦激光条件，采用窄带辐射和黑体辐射可进行水窗波段X光显微成像的实验研究。

In this paper, the propagation of electron cyclotron waves in plasmas is studied by numerically resolving the ray equations.

通过数值求解波迹方程研究了电子回旋波在等离子体中的传播。

Contact angle ; angle - dependent XPS ; CF4/CH4 plasmas ; decay constant k of surface dynamics

接触角；变角XPS ； CF_4/CH_4等离子体；表面动力学衰减常数k

By supposing the ion sphere model, the self-consistent field method between the Poisson-Boltzmann equation and the Dirac equation is used to calculate the energy levels of H-like neon immersed in hot and dense plasmas.

采用离子球模型，通过自洽求解Poisson方程和Dirac方程，得到氖的类氢离子低能级组态的能级能量随等离子体电子温度和电子密度的变化关系，进一步研究了等离子体电子温度和电子密度对光谱漂移的影响。

Plasmas wave spectrum is discrete due to the boundary effect.

在边界效应的影响下，等离子波谱将被离散化。

A plasma visible light imaging system has been developed for the diagnosis of plasmas with limiter and divertor configurations in the HL-2A tokamak.

在HL 2A装置上研制了等离子体可见光成像系统，用于孔栏、偏滤器位形放电的诊断。

By use of some atom parameters in optical-field-ionized plasmas obtained from the extended Cowan program based on Maxwell to suit any electron distribution with the help of additional program, the peak gain coefficient of Ni-like Kr system is calculated for the ion densities of 1×10 17 cm -3 and 3.2×10 17 cm -3 respectively after considering Doppler broadening and natural broadening.

利用自行编制的辅助程序将原来仅以麦克斯韦分布为基础的Cowan程序推广到适用于任意电子能量分布情形下获得的光场感生电离等离子中的一些原子参数，在考虑多普勒加宽和自然加宽，对离子数密度分别为1×1017cm-3和3.2×1017cm-3的情况下的类镍氪系统的增益系数进行了估算，理论上的峰值增益系数为14cm-1、141cm-1。

The good electrical conductivity of plasmas causes their electric fields to be very small.

良好的导电性及其根源等离子体电场将非常小。

Examples are charged particle beams , an electron cloud in a Penning trap , and positron plasmas.

例子是带电粒子光束，一个电子云在潘宁陷阱，和正电子等离子体。

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。