It was used to predict the beam optical performance of an extraction system for a surface-plasma bucket negative ion source.
对表面-等离子体型桶式负离子源引出系统束光学的性质进行了数值模拟。
There is a balance structure of upper rock layer in higher level compared with the layered extraction, which exists in the form of finite deformation beam.
综放工作面上覆岩层存在着比分层开采层位更高的平衡结构，以大变形梁的形式存在。
The extracted beam current depends on operating parameter of source, extraction voltage and cathode material.
引出束流大小与源的工作参数、引出结构和电压以及阴极材料有关。
The production of several kinds of intense beam and their characteristics of beam extraction from the duoplasmatron source are studied.
本文研究了利用双等离子源产生多种离子束以及它们的束流引出特性。
The results show that beam divergence of the system depends mainly on the extraction perveance and voltage ratio, and a minimum beam divergence can be obtained under optimum conditions.
结果展示出引出束光学主要取决于引出导流系数和电势分布，在一定条件下可获得发散度小的离子束。
The geometry of the pipe shaped extraction electrode of the RF ion source may strongly affect the extracted ion beam.
高频离子源管道式引出电极的几何参数对束流引出具有重要影响。
The distribution of the extraction apertures is made to compensate the Gaussan of the ion beam current density.
使引出孔的分布补偿束电流密度的高斯分布。使参数匹配并实行程序控制。
This paper gives a theoretical formulation for the extraction of mode shape by fitting the cross power spectra of the outputs and a cantilever beam is analysed.
该文提出了一种用互功率谱求振型的方法，并对此理论进行了详细推导，以一悬臂梁为例对该方法进行了试验验证。
The invention provides an ion pipe with a plurality of ion beam extraction holes, so that the ion beam current density becomes uniform.
本发明提供一种排列有多个离子束引出孔的离子管，使得离子束电流密度变得均匀。
The invention provides an ion pipe and ion beam extraction method, wherein the ion pipe is arranged with a plurality of ion beam extraction holes, so that the ion beam current density becomes uniform.
本发明提供一种离子管及离子束的引出方法，离子管排列有多个离子束引出孔，使得离子束电流密度变得均匀。
The invention provides an ion pipe and ion beam extraction method, wherein the ion pipe is arranged with a plurality of ion beam extraction holes, so that the ion beam current density becomes uniform.
本发明提供一种离子管及离子束的引出方法，离子管排列有多个离子束引出孔，使得离子束电流密度变得均匀。
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