| 摘要 |
A neutron flux monitoring system is described for a nuclear reactor which enables the monitoring of very low levels of neutron flux such as may exist during the shutdown condition of the reactor. The pulses produced in the flux detectors distributed around the reactor core and ordinarily used for power range monitoring are conveyed, by isolation means, to summing means which provide a count rate output corresponding to the total number of pulses produced by all of the neutron flux detectors.
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