摘要
介绍了核磁共振成像设备中超导磁体在液氦输送前，磁体在液氮中进行充分预冷以及液氮的排出方法。
In this paper, the sufficient precooling of superconducting magnets of MRI facility in LN 2 and daining methods of LN 2 before LHe transportation are described. It is of quite important economical signifance to master correctly the precooling method for reduction of the first LHe transportating amout for precooling.
出处
《真空与低温》
1997年第1期26-28,共3页
Vacuum and Cryogenics
关键词
预冷
超导磁体
核磁共振成像
液氮
Precooling, Superconducting magnet, Decompression, Nuclear magnetic resonance image.
