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KMID : 0364919950200020129
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Journal of Radiation Protection and Research
1995 Volume.20 No. 2 p.129 ~ p.136
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Calculations of ISO Narrow and ANSI X-Ray Spectra, Their Average Energies and Conversion Coefficients
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Kim, Jang-Lyul/김장렬
Kim, Bong-Whan/Chang, Si-Young/Lee, Jai-Ki/김봉환/장시영/이재기
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Abstract
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In spite of the prescriptions on the reference X-ray fields given by the International Organization of Strandard(ISO) and American National Standard Institute(ANSI), the measurement of X-ray spectrum is not only time consuming but very difficult, paticularly when significant corrections have to be applied to the measured pulse-height distributions of the observed spectra.
This paper describes the calculation method of ISO Narrow Series and ANSI X-ray filtered radiations by theoretical model which is modified Kramer´s theory by target attenuation and backscatter correction. The X-ray spectra, average energies and conversion coefficients are calculated and compared with those obtained using the spectra prescribed by ISO and ANSI to assure good agreement.
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