文章涉及用袖珍永磁潘宁源产生毫安级氧负离子束的实验研究。
The present work concerns in the experimental study on producing ma order of negative oxygen ions with a pocket permanent magnet Penning source.
他还致力于尼科的切尔西女孩，都是由玩吉他和潘宁的经典歌曲，这些天。
He also worked on Nico's Chelsea Girl, both by playing guitar and penning the classic song "These Days".
应用粒子模拟方法研究了电子束潘宁阱中的非中性等离子体的稳定状态及其定标关系。
A particle in cell code has been developed to simulate the steady state of electron plasmas in an electron beam Penning trap and to study its scaling law.
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