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J Radiat Prot > Volume 9(1); 1984 > Article
Journal of Radiation Protection 1984;9(1):11-0.
표준 감마선 전리함 장치에 의한 방사능 비교 측정
박태순;우동호;오필제;황선태;
Comparative Measurement of Radioactivity with Standard Gamma-ray Ionization Chamber System
Park, Tae-Soon;Woo, Dong-Ho;Oh, Pil-Jae;Hwang, Sun-Tae;
ABSTRACT
A Standard gamma-ray ionization chamber system was developed with a well type ionization chamber and micro current measuring circuit. Micro current was measured by the automatic Townsend balance with stepwise compensation method. For gamma emitting nuclides such as $^{241}Am,;^{133}Ba,;^{60}Co,;^{134}Cs,;^{137}Cs,;and;^{22}Na$ relative calibration factors to $^{226}Ra$ reference source were calculated and detection .efficiency curve was determined as a fudnction of gamma energy.
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