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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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초록· 키워드
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Background: A hand-held detector for an emergency response was developed for nuclide identification and to estimate the information of the ambient dose rate in the scene of an accident as well as the radioactivity of the contaminants. Materials and Methods: To achieve this, the most suitable sensor was first selected as a cadmium zinc telluride (CZT) semiconductor and the signal processing unit from a sensor and the signal discrimination and storage unit were successfully manufactured on a printed circuit board. Results and Discussion: The performance of the developed signal processing unit was then evaluated to have an energy resolution of about 14 keV at 662 keV. The system control unit was also designed to operate the CZT detector, monitor the detector, battery, and interface status, and check and transmit the measured results of the ambient dose rate and radioactivity. In addition, a collimator, which can control the inner radius, and the airborne dust sampler, which consists of an air filter and charcoal filter, were developed and mounted to the developed CZT detector for the quick and efficient response of a nuclear accident. Conclusion: The hand-held CZT detector was developed to make the in-situ gamma-ray spectrometry and its performance was checked to have a good energy resolution. In addition, the collimator and the airborne dust sampler were developed and mounted to the developed CZT detector for a quick and efficient response to a nuclear accident.
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참고문헌 (5)
참고문헌 신청
조규성 / 2008 / 핵의학 영상기기의 감마선 검출기 / Nuclear Medicine and Molecular Imaging 42(2):88~97
Park SH / 2009 / New concept of CZT-based hand-held radioisotope identifier / Appl. Radiat. Isot 67:1471~1475
Gonzalez R / 2006 / Performance comparison of a large volume CZT semiconductor detector and a LaBr3(Ce) scintillator detector / IEEE Trans. Nucl. Sci 53(4):2409~2415
지영용 / 2015 / IRIS형 방사선검출기 콜리메이터 제작 및 MCNP 코드를 이용한 성능평가 / 방사성폐기물학회지 13(1):55~61
Gilmore G / 1995 / Practical gamma-ray spectrometry / John Wiley &Sons :73~83
Park SH / 2009 / New concept of CZT-based hand-held radioisotope identifier / Appl. Radiat. Isot 67:1471~1475
Gonzalez R / 2006 / Performance comparison of a large volume CZT semiconductor detector and a LaBr3(Ce) scintillator detector / IEEE Trans. Nucl. Sci 53(4):2409~2415
지영용 / 2015 / IRIS형 방사선검출기 콜리메이터 제작 및 MCNP 코드를 이용한 성능평가 / 방사성폐기물학회지 13(1):55~61
Gilmore G / 1995 / Practical gamma-ray spectrometry / John Wiley &Sons :73~83
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