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고선량율 원격강내조사의 코발트-60 이동선원에 의한 선량특성

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Author(s)
최태진김옥배노홍균
Keimyung Author(s)
Kim, Ok BaeChoi, Tae Jin
Department
Dept. of Radiation Oncology (방사선종양학)
Dept. of Medical Biophysics Engineering (의공학과)
Journal Title
의학물리
Issued Date
1990
Volume
1
Issue
1
Keyword
Source oscillationFilm dosimetry
Abstract
Dose distributions around Co- 60 moving source in high dose rate remote afterloading unit, Buchler 3K unit, were experimented with X-omat V films and calculations. In our experiments, film dosimetries have achieved to evaluated the axial dose distributions for source oscillations were 0, 3.5, 5.0 and 6.0 cm in periodically, In results, the dose distributions in axial of source movement showed apparently higher than in transverse direction caused by source locations, dwelling time and air gap in the applicator. In the calculations, the dose rate was derived by using the inverse square law, filteration corrections and Meisberger constant for scatter corrections as source movings. In our experiments and calculations, the average dose uncertainties were showed -2.1 ± ± 1.9% in fixed sourdce, -2.9 ± ± 1.8%, -7.4 ± ± 6.1% and -6.7 ± ± 4.6% at 3.5 cm, 5.0 cm and 6.0 cm source oscillations, but the calculations have showed very close to experimental dose rate within 4 cm distance from source.
Alternative Title
Dose Characteristics by the Co-60 Source Oscillations in High Dose Rate After Loading Irradiations
Keimyung Author(s)(Kor)
김옥배
최태진
Publisher
School of Medicine
Citation
최태진 et al. (1990). 고선량율 원격강내조사의 코발트-60 이동선원에 의한 선량특성. 의학물리, 1(1), 51–60.
Type
Article
ISSN
1226-5829
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/36834
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Medical Biophysics Engineering (의공학과)
1. School of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학)
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