中国空间科学技术
Effect Analysis of Plasma Density on Ion Beam Extracted by Grid System
JIA Yan-Hui, LI Zhong-Ming, ZHANG Tian-Ping, LI Juan
Chinese Space Science and Technology . 2012, (3): 72 -77 .  DOI: 10.3780/j.issn.1000-758X.2012.03.011