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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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A whole body counter (WBC) is used in nuclear power plants (NPPs) to identify and measure internal radioactivity of workers who is likely to ingest or inhale radionuclides. A WBC has several counting geometries, i.e. the thyroid, lung, whole body and gastrointestinal tract, considered with the location where radionuclides are deposited in the body. However, only whole body geometry is normally used to detect internal radioactivity during whole body counting at NPPs. It is overestimated internal exposure dose because this measured values are indicated as the most conservative radioactivity values among the them of other’s geometry. It is often possible to estimate external contamination as internal contamination due to radionuclides attached to the skin of radiation workers and this leads to an excessively conservative estimation of radioactive contamination. In this paper, the reanalysis of previous experiments for radioactivity depending on the counting geometry of WBC using phantoms and standard radiation sources was carried out in order to improve overestimated internal exposure dose. Quantitative criteria could be used for selecting the optimal WBC counting geometry. Furthermore, discrimination guideline according to ratio of count rates of the upper and lower detectors of the WBC is provided through statistical analysis method.
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참고문헌 (8)
참고문헌 신청
김희근 / 2009 / 전신계측기를 이용한 원전종사자 방사성오염위치확인과 내부방사능 측정개선에 관한 연구 / 방사선방어학회지 34(1):37~42
한국표준과학연구원 (KRISS) / 2010 / 표준 점선원 인증서
AMETEK Inc. / Phantom for Whole-Body Counter
CANBERRA Industries, Inc. / 2002 / Model 2250 Fastscan high-throughput whole body counter / Brochure of Canberra's Whole Body Counting System
CIRS (Computerized Imaging Reference Systems, Inc.) / Dosimetry Verification Phantoms
한국표준과학연구원 (KRISS) / 2010 / 표준 점선원 인증서
AMETEK Inc. / Phantom for Whole-Body Counter
CANBERRA Industries, Inc. / 2002 / Model 2250 Fastscan high-throughput whole body counter / Brochure of Canberra's Whole Body Counting System
CIRS (Computerized Imaging Reference Systems, Inc.) / Dosimetry Verification Phantoms
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