987 resultados para 7038-508


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In this paper,a multi-functional adapter circuit which can be used to accomplish level adaptation between the NIM,TTL,ECL levels will be described briefly.This circuit is designed based on the multiple-using structure of circuit unit.It is signal-width NIM standard module.The module is used for level adaptation between the different digital signals in the measurement system of nuclear physics experiments.中文文摘:基于单元电路复用结构,设计了NIM、ECL、TTL电平多功能适配器,介绍了电路复用结构和单元电路的设计原理。该插件用于核物理实验测量系统中不同逻辑电平的数字信号的适配与转换。

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 通过求解电子冷却系统中冷却段漂移管区的强流电子束产生的空间电荷场,研究了电子束空间电荷效应对电子温升的影响。结合HIRFL CSR电子冷却系统的典型参数,得到了电子在自身空间电荷场和纵向螺线管磁场组成的交叉场作用下产生的漂移速度和由此引起的附加温度大小,并指出减小电子束空间电荷效应的方法。

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报道了大面积 BGO闪烁探测器用于 132 Me V16O+ 197Au反应中形成的热核巨共振研究 ,利用飞行时间法鉴别中子、γ。用 EGS4程序模拟探测器对 γ连续谱的响应 ,利用 BGO闪烁探测器中 Ge俘获中子发射的 γ对探测器进行能量刻度。