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국내 표준형 원전의 사고 고장원인 분석 및 발전정지 유발 전기설비의 신뢰도 개선 방안 검토
지문구(Moon-Goo Chi),윤종현(Jong-Hyun Youn) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
원자력안전기술원이 제공하는 원전사고고장 정보에 제시된 원전사고고장 현황에서 표준형 원전의 사례에 대하여 전기설비 관련 원인을 분석하고, 출력감발 및 불시정지를 줄이기 위하여 한수원(주)이 수행하는 발전정지유발 전기설비에 대한 신뢰도 개선 방안에 대하여 기술한다.
전국 피부과 전공의 수련병원에서의 피부 병리에 관한 실태 조사
김광호 ( Kwang Ho Kim ),윤종현 ( Jong Hyun Yoon ),김흥열 ( Heung Yeol Kim ),김경문 ( Kyung Moon Kim ),안효현 ( Hyo Hyun Ahn ),원영호 ( Young Ho Won ),윤숙정 ( Sook Jung Yun ),이동윤 ( Dong Youn Lee ),이승호 ( Seung Ho Lee ) 대한피부과학회 2013 대한피부과학회지 Vol.51 No.10
Background: There is no report on the actual conditions and current educational status of dermatopathology in Korean the literature, implying that the interest in dermatopathology, which is important in clinical practice, is drawn away. Objective: This study was performed to investigate the actual conditions of dermatopathology. Based on the collected data, we could set up the directions for the development of dermatopathology. Methods: From April to June 2012, we conducted a survey of 62 dermatologic training hospitals and 328 residents working in the dermatology department in Korea, respectively, by mail, anonymously. Results: Residents` satisfaction of current dermatopathology education was significantly higher in tertiary hospitals and in hospitals with numerous dermatologists. The number of performed skin biopsies per week was also significantly larger in tertiary hospitals. Of tertiary hospitals and hospitals with numerous dermatologists, lectures given by dermatologists or dermatologists specialized in dermatopathology took a higher proportion in the dermatopathology course, and in-hospital dermatopathology conferences were held more than 5 times a month. Conclusion: As shown in the result of this survey, to enhance interest in dermatopathology, we suggest activation of the Korean society for dermatopathology and joint conferences among local hospitals. (Korean J Dermatol 2013;51(10):782∼796)
임희택(Hee-Taek Lim),이광대(Kwang-Dae Lee),전당희(Dang-Hee Jeon),윤종현(Jong-Hyun Youn),주익덕(Ik-Deok Joo) 대한전기학회 2018 전기학회논문지 Vol.67 No.2
Spent fuel is moved from the reactor into the spent fuel pool when nuclear power plant permanently shutdown. The sole function of a permanently defueled facility is to store spent fuel in a quiescent state. The function of electric system and loads are reduced. It is necessary to establish an operating strategy of electric system in the permanent shutdown nuclear plant. This paper reviews required loads and design criteria considering transition to permanent shutdown. An operating strategy of onsite electric system is proposed considering decommissioning strategy and stage of defueled condition.
갑상선 결절에서 초음파 촬영의 진단적 의의에 관한 연구
이문호,이명철,김주완,조보연,고창순,이종석,오연상,이명식,윤종현 대한핵의학회 1984 핵의학 분자영상 Vol.18 No.1
The effeciency of combined application of isotope scan and ultrasonography of thyroid was assessed in 91 patients with thyroid nodule. Malignancy rates were 35.5%, 18.8%, & 0% in solid, complex & cystic nodule group, respectively. No statistically significant co-relationship was found between isotope scan finding & ultrasonographic finding. Malignant nodules were found, only in cold solid nodule group & in cold complex nodule group, and rate of malignant nodule was different between them (45.8% in co1d solid nodule group & 20.7% in cold complex nodule group). Difference between the rate of cystic change in benign & malignant nodule observed in our study (59.2% vs. 35.3%) was thought to explain at least partly the statistically different rate of malignant nodule in cold solid nodule & cold complex nodule group. No difference in the boundarycondition, echogenicity & distribution of internal echo existed between benign nodule group & malignant nodule group.