摘要 : High temperature fission ionization chamber is an important equipment of nuclear power plant safety level,and the normal operation of the reactor is depended on the measurement of neutron flux and its change rate inside the reacto... 展开 High temperature fission ionization chamber is an important equipment of nuclear power plant safety level,and the normal operation of the reactor is depended on the measurement of neutron flux and its change rate inside the reactor channel,which can provide effective real-time monitoring data for the reactor protection system.According to the measure data,the reactor power level and running state are given. 收起