A recoil proton proportional counter,which can be refilled repetitively,is designed for measuring the neutron fluence of the above energies absolutely.
利用TARGET程序计算了中子注量谱,利用自行设计的反复充气式反冲质子正比计数器绝对测量了上述能量点的中子注量,合成标准不确定度≤2。
