A gas - filled time - of - flight detector for accelerator massspectrometric measurements 一台用于加速器质谱测量的充气飞行时间探测器
2.
The hamamatsu r5924 photomultiplier tube of mesh type will be used for the time - of - flight counter of the beijing electron - positron spectrometer ( bes ) 摘要北京谱仪中的飞行时间探测器将采用滨松公司生产的细网型光电倍增管r5924 。