neutron counting rate 中子计数率
delayed neutron counting 缓发中子计数
neutron counting survey 中子计数检查
equipment neutron-counting 中子计数设备
neutron counting tube 中子计数管
neutron-counting survey [核] 中子计数检查
induced neutron counting 感生中子计数
active coincidence neutron counting 有源符合中子法
neutron coincidence counting method 中子符合计数法
neutron n counting 中子计数
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。
Inside the sphere cavity, the ratio of ultra thermal neutron counting rate to thermal one is less than 10%, but the counting rates slightly depend on the position of thermal neutron detector.
球腔内超热与热中子计数比小于10%，计数率依赖于热中子探测器所在位置。
The angular response, the radial differential response, the energy response and the distribution of neutron counting rate inside sphere cavity are measured, and the effective centre is estimated.
测量了角响应、径向微分响应、能量响应及球腔内中子计数率分布，并估算了有效中心。
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