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노홍길,방익찬,김상현,현경훈,김준택,양영진,홍창수 제주대학교 해양연구소 1997 해양자원연구소연구보고 Vol.21 No.-
Currents are measured in the Straits of Cheju by detecting surface buoy tracks and mooring current meters in 1996-1997. As a result, north-eastward currents are decteted in the Straits of Cheju all the year round, which is weak in spring and strong in summer and fall. Average speeds of 20 cm/s to the east. 7 cm/s to the north and 22 cm/s to the north-east appeared in the surface. Currents are fast in the middle of the strait and slow near Cheju Island. East-west components of the currents are about 3 times faster than the north-south ones. Also. it is shown that surface buoys released within the distance of 6 miles away from Cheju do not drift out of the Straits of Cheju because of tongue-like warm waters appeared in the eastern entrance of the strait. Volume transports calculated by geostrophic calculation are shown to be 0.05-0.2 Sv in winter and 0.4-0.5 Sv in summer.
조익현(Ig-hyun Cho),전후동(Hoo-dong Jeon),김준대(Jun-dea Kim),백청택(Chung-taek Baik),박상우(Sang-woo Park),윤동한(Dong-han Yoon) 한국정보기술학회 2007 Proceedings of KIIT Conference Vol.2007 No.-
본 연구는 외부전극 형광램프를 구동하기 위한 인버터를 제작하였다. 인버터의 구동방식은 Half- Bridge 방식과 Full-Bridge 방식을 사용하여 단일램프 특성과 멀티램프 특성을 비교하였다. EEFL의 전기적 특성을, 전압, 선류, 주파수, 효율에 따라 분석하였고 전기적 실험 조건을 제시하였다. This research manufactured inverter to run external electrode fluorescent lamp. Drive method of inverter compared single lamp characteristic and multi lamp characteristic using Half-Bridge method and Full-Bridge method. Analyzed electrical special quality of EEFL by voltage, current, frequency, efficiency and presented electrical experiment condition.
김성록(Kim, Sung-Rok),윤준상(Yoon, Jun-Sang),임채성(Lim, Chea-Sung),장석약(Suk-Ig Chang) 한국산학기술학회 2015 한국산학기술학회논문지 Vol.16 No.1
이 연구는 한국의 산업간 연계구조변화를 분석하기 위하여 1995-2000 –2005-2009년도 접속불변 산업연관표를 이용하여 산업간 연계구조의 변화를 분석하였다. 분석결과, 첫째, 분석기간 동안 우리나라의 경제규모는 견조한 성장세를 이루어 총 산출액 기준 1995년 1,190조원에서 2009년에는 2,775조원으로 증가하였다. 둘째, 산업의 연계구조에 의한 산업군 형성의 경우 1995년 서비스·전자-중공업-중화학-1차·공공, 2000년 서비스-중화학-중공업·전자-1차·공공, 2005년 서비스-제조업-소비재-1차·공공, 2009년 서비스·전자-제조업-소비재-1차·공공으로 변화되어왔다. This study assessed the changes in Korea's industrial structure to analyze the linkage between years 1995-2000 -2005-2009 Industry Input-Output Tables to access the constant changes in the structure of the inter-industry linkage analysis. First, the Korean economy during the period of analysis was based on solid growth from 1,190 trillion won in 1995 to 2,775 trillion won in 2009. Second, the structure of the industry association in the case of industries, services and electronic form was as follows: in 1995, Heavy-heavy-primary, public; in 2000, service-heavy-heavy, electronic-primary, public; in 2005 Services - Manufacturing - Consumer Goods - first, public, service; and 2009 e-manufacturing - Consumer Goods - primary, the public.
Klebsiella pneumoniae가 간농양에서 차지하는 임상적 의의
임상우 ( Im Sang U ),이은주 ( Lee Eun Ju ),이상원 ( Lee Sang Won ),김성목 ( Kim Seong Mog ),김준환 ( Kim Jun Hwan ),김봉준 ( Kim Bong Jun ),장병익 ( Jang Byeong Ig ),김태년 ( Kim Tae Nyeon ),정문관 ( Jeong Mun Gwan ) 대한소화기학회 2003 대한소화기학회지 Vol.42 No.3
Background/Aims: Klebsiella pneumoniae (K. pneumoniae) has been emerging as the leading cause of liver abscess although the most common pathogen was Escherichia coli in the past. Our study was to clarify the significance of K. pneumoniae as a pathogen of pyogenic liver abscess. Methods: We reviewed 157 cases of pyogenic liver abscess treated at Yeungnam University Hospital from 1996 to 2001. They were classified into two groups: K. pneumoniae group and non-K. pneumoniae group. The clinical presentations, characteristics of liver abscess, laboratory findings and the results of bacteriological studies were compared. Results: The K. pneumoniae group included 60 (60.6%) cases among 99 cases with positive culture. We found higher incidence of alcoholics (45.0%) or diabetes millitus (35.0%) in K. pnemoniae group. Cryptogenic cause (61.7%) was the most frequent portal entry in K. pneumoniae liver abscess. On the other hand, in non-K. pneumoniae group, the cause of portal entry was usually the secondary (23.1%) following biliary disease (61.5%). Statistically, there was no significant difference in age, sex, symptom, characteristics of abscess, laboratory findings except total bilirubin level between the two groups. Conclusions: Liver abscess caused by K. pneumoniae has emerged as an important infectious disease with new clinical significance. When clinicians see pyogenic liver abscess in patients with alcoholics or diabetes millitus, K. pneumoniae should be considered first as a cause of liver abscess. (Korean J Gastroenterol 2003;42:226-231)