用MCNP／4B程序，对核活化法反应计算中的截断能量、通量计数方式、数据库、阈探测器之间的扰动等因素的影响作了分析。
With MCNP/4B code, the influence of cut-off energy, flux tallies, nuclear databases and perturbation on the reaction rates calculation with neutron-activation method are analysed.
用屏蔽法检验了散射本底中子影响，高阈能探测器本底中子的影响很小。
The experimental-shielding method is used to proof-test the fraction of scattered background neutrons, and for high-threshold detectors, the influence of background neutrons is very small.
该系统具有超阈报警，采集记录探测器输出信号和温度等功能。
The data recorder has the functions of alarming over threshold and recording output signals of detector and temperature.
该系统具有超阈报警，采集记录探测器输出信号和温度等功能。
The data recorder has the functions of alarming over threshold and recording output signals of detector and temperature.
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