| 1 | Research on Signal Measurement Technology of High Temperature Fission Ionization Chamber显示文摘The neutron flux density corresponding to the reactor from startup to full power operation varies by more than ten orders of magnitude.Correspondingly,thenuclearmeasurement system can be divided into three ranges:Source range,1-105·cm-2·s-1;middle range,104-1010 cm-2·s-1;power range,106-1010 cm-2·s-1.A detector can only measure one range,so two or three detectors must be used to measure the entire neutron flux range.In order to be safe and reliable,there is a need for some range overlap between detector ranges,and the typical overlap is 1-2orders of magnitude. | QUE Ziang HE Gaokui | 2018 | 中国原子能科学研究院年报2018，，1： | 0 |
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