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System and method of producing radionuclides in a nuclear reactor, including use of a magnetic field to release a target having magnetic properties from an instrumentation tube system
System and method of producing radionuclides in a nuclear reactor, including use of a magnetic field to release a target having magnetic properties from an instrumentation tube system
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机译:在核反应堆中产生放射性核素的系统和方法,包括使用磁场从仪器管系统释放具有磁性的靶标
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摘要
A method of producing radionuclides from irradiation targets in a nuclear reactor uses at least one instrumentation tube system of a commercial nuclear reactor. Irradiation targets and dummy targets are inserted into an instrumentation finger and the irradiation targets are activated by exposing them to neutron flux in the nuclear reactor core to form a radionuclide. The dummy targets hold the irradiation targets at a predetermined axial position in the reactor core corresponding to a pre-calculated neutron flux density sufficient for converting the irradiation targets to the radionuclide. Separating the dummy targets from the activated irradiation targets includes exposure to a magnetic field to retain either the dummy targets or the activated irradiation targets in the instrumentation tube system and release the other one of the activated irradiation target or the dummy target from the instrumentation tube system. An apparatus adapted to the above method is also provided.
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