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RADIOISOTOPE PRODUCTION TARGET INSERT DESIGN AND TARGET HARVESTING METHODOLOGY FOR LONG TERM IRRADIATION IN COMMERCIAL NUCLEAR REACTORS
RADIOISOTOPE PRODUCTION TARGET INSERT DESIGN AND TARGET HARVESTING METHODOLOGY FOR LONG TERM IRRADIATION IN COMMERCIAL NUCLEAR REACTORS
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机译:放射性同位素的生产目标插入设计和目标收获方法,用于商业核反应堆的长期辐照
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摘要
A device and method that enables a specimen that is to be converted into a radioisotope to be inserted into an extended, retractable thimble of a nuclear reactor moveable in-core detector system and be harvested after irradiation either during reactor operation or a refueling outage without damaging the retractable thimble. The specimen is enclosed within the interior of a forward portion of a tubular member having a closed lead end and structured to travel within the retractable thimble. The tubular member is sized to extend from a position above and proximate the desired core elevation the specimen is to be irradiated at to a location above a seal table that the retractable thimble extends through. The specimen is inserted and withdrawn from the core by inserting or withdrawing the tubular member from above the seal table. Desirably, the forward end of the tubular member is divided into several specimen compartments.
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