Some safety parameters deteriorate, such as lower Doppler effect, lower delayed neutron effectiveness and high- er sodium void effect.
在反应性参数方面，导致多普勒效应与有效缓发中子份额降低，钠空泡效应增大；
Some factors affecting the accuracy of uranium content determined by delayed neutron counting and methods to solve the problems are reported.
文章介绍了用缓发中子计数法测铀时遇到的一些影响测量结果准确度的因素和采用的解决办法。
The terms for the effects of the neutrons reflected back from outside the reactor are added as extra delayed neutron terms to the reactor kinetics equation.
在反应堆动力学方程中，考虑了堆体外反照中子效应，将其作为模拟缓发中子处理。
The result of initiation time is consistent with experiment. Emission rate of delayed neutron attained from calculation can well explain the probability distribution of initiation time.
计算结果表明，脉冲引发时刻概率分布的计算结果与实验结果符合较好，所获得的缓发中子发射率规律可合理解释引发时刻概率分布的实验结果。
The result of initiation time is consistent with experiment. Emission rate of delayed neutron attained from calculation can well explain the probability distribution of initiation time.
计算结果表明，脉冲引发时刻概率分布的计算结果与实验结果符合较好，所获得的缓发中子发射率规律可合理解释引发时刻概率分布的实验结果。
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