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김유래 ( Yu Re Kim ),김만기 ( Man Gi Kim ),경규상 ( Kyu Sang Kyeong ),조아라 ( A Ra Jo ),홍승화 ( Seung Hwa Hong ),박연진 ( Yeon Jin Park ),지일운 ( Ill Woon Ji ),정은환 ( Eun Hwan Jeong ),김학순 ( Hak Soon Kim ),이옥준 ( Ok Jun L 대한산부인과학회 2006 Obstetrics & Gynecology Science Vol.49 No.9
Large cell neuroendocrine carcinoma of the uterine cervix is a rare and highly aggressive cervical neoplasm. Metastases and recurrences of the tumor are common. Cervical large cell neuroendocrine carcinomas are distinctive cervical carcinomas that are frequently misdiagnosed and have unfavorable prognosis. So prudential care must be considered for proper diagnosis and multimodal treatment may be required for better survival. We experienced one case of large cell neuroendocrine carcinoma accompanied with adenocarcinoma of the uterine cervix in 52 year old woman. The uterine cervix covered and infiltrated with adenocarcinoma cells and attached polypoid mass (3.2×2.1 ㎝) composed of large cell neuroendocrine carcinoma cells. The diagnosis was confirmed by immuno-staining using cytokeratin (+), synaptophysin (+), chromogranin (+), neuron-specific enolase (+), CD 56 (+), and vimentin (-). So we report the case with brief review of the literature.
해외서지정보를 활용한 북한 과학기술 연구개발 트렌드 변화분석(1986~2019)
김유일(You Eil Kim) 한국콘텐츠학회 2021 한국콘텐츠학회논문지 Vol.21 No.4
대외적인 활동이 거의 없던 북한에서 최근 해외 논문발표가 급증하고 있다. 본 연구에서는 북한의 해외발표 논문을 계량분석하여 북한의 연구개발 동향변화를 파악하고, 향후 국내 연구자들과의 공동연구로 발전시킬 수 있는 가능성을 모색하고자 한다. 이를 위해 1986년 이후 북한 연구자가 포함된 해외발표논문을 대상으로 빈도분석과 네트워크 분석을 실시하였다. 분석은 저자, 연구기관, 국가, 연구분야 등을 대상으로 하였으며, 김정은 집권 전과 후로 구분하여 변화를 분석하였다. 분석결과에 따르면 김정은 집권 후 8년간 해외논문 발표가 급격히 증가하면서, 논문발표 상위 연구자나 연구기관, 공동연구 영향력 상위 연구자 등의 구성도 많은 변화가 나타났다. 김정은 집권 후 북한 연구자나 연구기관의 비중이 상대적으로 증가하였으며, 공동연구 영향력 상위 연구자들간 네트워크 컴포넌트가 형성되어 있어서 특정 연구주제에 집중하는 모습이 관찰되었다. 북한 연구자들의 주요한 해외 협동연구자나 연구기관은 중국의 비중이 높게 나타났다. In North Korea, where there was little external activity, the number of overseas academic paper publications has recently increased. This study aims to quantitatively analyze North Korean papers published abroad to identify changes in North Koreas research and development trends, and to explore the possibility of developing them through joint research with domestic researchers in the future. To this end, since 1986, frequency analysis and network analysis have been conducted on papers published overseas including North Korean researchers. The analysis was conducted on authors, research institutes, countries, and research fields, and changes were analyzed before and after Kim Jong-un took office. According to the results of the analysis, as the number of foreign papers published rapidly increased during the eight years after Kim Jong-un took office, the composition of the top researchers, research institutes, and researchers with high influence in joint research also changed a lot. After Kim Jong-un came to power, the proportion of North Korean researchers and research institutes increased relatively, and a network component was formed between researchers with high influence on joint research, so it was observed that they focused on specific research topics. It was found that the major foreign collaborators or research institutes of North Korean researchers were from China.
김유일(Y.I. Kim),김귀순(K.S. Kim),김경천(K.C. Kim),하만영(M.Y. Ha),박호동(H.D. Park) 한국전산유체공학회 1995 한국전산유체공학회 학술대회논문집 Vol.1995 No.-
A computer code for solving the Reynolds averaged full Navier-Stokes equations has been developed for analysis of gas and steam turbine cascade flows with the option of using one of two types of turbulence model. One is the Baldwin-Lomax model and the other is standard k-ε model. The numerical integration is based on the explicit four stage Runge-Kutta scheme and finite volume method. To be verified, the resulting code is applied to VKI turbine cascade and compared with the previous experimental results. Finally, the flowfield around a steam turbine cascade is analyzed. Comparisons with experimental data show that present numerical scheme is an accurate Navier-Stokes solver and can give very good predictions for both gas and steam turbine cascade flow.
폐 결절에서 FDG-PET의 유용성과 표준섭취계수와 혈당농도의 상관관계
김규식 ( Kim Gyu Sig ),임성철 ( Im Seong Cheol ),고영춘 ( Go Yeong Chun ),박경화 ( Park Gyeong Hwa ),주진영 ( Ju Jin Yeong ),조계중 ( Jo Gye Jung ),김수옥 ( Kim Su Og ),오인재 ( O In Jae ),김유일 ( Kim Yu Il ),김영철 ( Kim Yeong C 대한결핵 및 호흡기학회 2003 Tuberculosis and Respiratory Diseases Vol.55 No.6