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Rapid detection and size determination of PuO2 particles using a charged-particle imaging video monitor system. 1990

T Iida, and H Shimura, and K Koizumi
Department of Nuclear Engineering, Faculty of Engineering, Nagoya University, Japan.

A charged-particle imaging video monitor system was constructed and applied to video imaging of the position profile of PuO2 particles on filter paper. The imaging video monitor system consists of a detector head, a silicon intensifier target (SIT) camera, a video frame memory, and a personal computer. The system can display the distribution image of PuO2 particles becoming gradually clearer on a video monitor. The integrated image that is transferred to the computer is analyzed quantitatively for the radioactivity of each PuO2 particle deposited on the filter paper. The system can not only rapidly distinguish PuO2 particle contamination from Rn daughter products, but can also determine the size distribution of the PuO2 particles.

UI MeSH Term Description Entries
D010316 Particle Size Relating to the size of solids. Particle Sizes,Size, Particle,Sizes, Particle
D011005 Plutonium A naturally radioactive element of the actinide metals series. It has the atomic symbol Pu, and atomic number 94. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, in radionuclide batteries for pacemakers, and as the agent of fission in nuclear weapons.
D011834 Radiation Monitoring The observation, either continuously or at intervals, of the levels of radiation in a given area, generally for the purpose of assuring that they have not exceeded prescribed amounts or, in case of radiation already present in the area, assuring that the levels have returned to those meeting acceptable safety standards. Monitoring, Radiation
D014741 Video Recording The storing or preserving of video signals to be played back later via a transmitter or receiver. Audiovisual Recording,Videorecording,Audiovisual Recordings,Recording, Audiovisual,Recording, Video,Recordings, Audiovisual,Recordings, Video,Video Recordings,Videorecordings

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