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KMID : 1151820210150050755
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Journal of the Korean Society of Radiology
2021 Volume.15 No. 5 p.755 ~ p.760
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Calculation of Shielding Rate of Radiation Protective Equipment Using the X-ray Spectrum of IPEM Report-78
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Han Dong-Hyun
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Abstract
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In this study, the shielding rate of major X-ray protective equipment used in the medical environment was calculated using X-ray spectrum data emitted from the diagnostic X-ray generator of The Institute of Physics and Engineering(IPEM) Report-78, and the applicability of radiation protection was investigated. Radiation shielding rates were calculated through reduction rates of air-kerma and total intensity for lead apron (0.3 mmPb), thyroid shield (0.5 mmPb), lead goggles (0.5 mmPb), and lead glass (1.8, 2.7, 3.3 mmPb) used for diagnostic X-ray protection. As a result, the shielding rate calculated as the air kerma reduction rate ranged from 96.31 to 100% at 80 kV, and 90.35 to 100% at 120 kV. In addition, the results of this calculation were well matched with the results of previous studies measuring the actual shielding rate, and it is expected that the X-ray spectrum data of IPEM Report-78 can be used for radiation protection.
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KEYWORD
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IPEM Report-78 , X-ray Spectrum , Radiation Protection , Shielding Rate
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