This paper introduces an improvement of mini permanent magnet (PM) 2.45GHz microwave ion source’s extraction system at the Institute of Heavy Ion Physics, Peking University.
介绍了北京大学重离子物理研究所2.45GHz袖珍永磁微波离子源引出系统的一项改进,即在距该离子源永磁环9cm处加一个长为10cm的永磁透镜。
参考来源 - 使用永磁透镜减小永磁微波离子源引出束流发散的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
It was used to predict the beam optical performance of an extraction system for a surface-plasma bucket negative ion source.
本文叙述了中性束注入器中的强流离子源引出系统离子束光学性质的数值模拟方法，并给出了典型计算结果。
A numerical method simulating high current ion sources for neutral beam injection is given in this paper as well as its typical result.
这里我们引出的重要概念就是，业务需求规格说明应该描述系统的行为，而不是它的设计。我们经常从客户那里得到类似的反应。
When we introduce the important concept that business specifications should describe the behavior of the system, and not its design, we often get a similar reaction from our clients.
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