“Helium 3 proportional counting tube”的概念、定义、翻译、参考文献-科学参考

单词	Helium 3 proportional counting tube
释义	Helium 3 proportional counting tube Encyclopedia 工学正比计数器释 Helium 3 proportional counting tube³He正比计数器测量中子的正比计数器。工作气体为3He，基于核反应3He(n,p)3T可以探测热中子和慢中子强度，基于3He与快中子的弹性散射也可用于快中子能谱测量。
随便看	perihelion passage perihelion precession perihelion precession of Mercury perihelion precession of planet perihelion precession of planets perihelion time peri-implant diseases peri-implantitis peri-implant mucositis perijove perikaryon peril perilemma perilla fruit perilla leaf perilune perilymph perilymph fistula perimartian perimedullary region perimedullary zone perimenstral bleeding from nose or mouth，retrograde menstruation perimercurian perimeristem perimeter

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