1) delayed neutron precursors
缓发中子先驱核
1.
Considering the fuel salt flow effect of the molten salt reactor,the neutron dynamic model was derived based on the particle conservation equations,and the critical problem was calculated by numerical method under three working conditions to study the flow effect to effective multiplication factor,fast neutron,thermal neutron and delayed neutron precursors distribution.
考虑新概念熔盐堆燃料盐的流动特性,从基本的粒子守恒方程出发,推导了熔盐堆的中子动力学模型,并采用数值方法对3种工况下熔盐堆的临界问题进行计算,考察流动对有效增殖系数、快中子分布、热中子分布及缓发中子先驱核分布的影响。
2) delayed neutron precursor
缓发中子先驱核<能>
4) β-delayed proton precursor
β延发质子先驱核
5) delayed neutron
缓发中子
1.
A general neutron breeder formula considering one group delayed neutron;
考虑单群缓发中子时中子增殖的统一公式
2.
Based on the comparison of the delayed neutron counter rate of known fission rate with the delayed neutron counter rate of a burst,a method to determine burst total fission number of burst reactor was built.
用长计数器测量已知裂变率的缓发中子计数率,然后用同一探测系统测量脉冲后的缓发中子计数率,探测系统的探测效率、缓发中子份额和缓发中子先驱核半衰期等参数均不变,从而建立起利用脉冲堆脉冲后的缓发中子衰减曲线确定脉冲裂变总数的方法。
3.
With 141 MeV pulse neutron source,distribution of delayed neutron flow with time is studied.
通过对14 1MeV脉冲中子源和产生的缓发中子在模型中的输运计算,分析了用脉冲外中子源产生的缓发中子探测核弹头的可行性。
6) delayed neutrons
缓发中子<能>
补充资料：缓发中子
分子式：
CAS号：
性质：核裂变碎片中，β衰变链上的核素发射的中子称为缓发中子。
CAS号：
性质：核裂变碎片中，β衰变链上的核素发射的中子称为缓发中子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条