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김성구(Sung-Gu Kim),박찬영(Chan-Young Park),노영주(Young J. Rho) 한국정보과학회 2007 한국정보과학회 학술발표논문집 Vol.34 No.2C
컴퓨터와 인터넷 보급의 증가로 인해 컴퓨터는 생활에 꼭 필요한 존재가 되었으나, 그에 따른 일반 사용자의 부주의로 인한 컴퓨터 오류의 문제도 증가하게 되어, A/S업체 직원이 직접 방문을 하여 수리를 하곤 한다. 그러나 막상 가보게 되면 사용자의 부주의로 인한 간단한 고장인 경우가 많다. 이를 해결하기 위해, 온라인상에서 사용자의 컴퓨터를 수리할 수 있는 원격지원(Virtual Network Control)이라는 프로그램이 도입되었다. 하지만 설치상의 복잡함과 복잡한 연결절차로 사용자가 쉽게 접근하기 어렵고, 더욱이 공유기를 사용하는 PC에서는 사용이 불가능하여 개선의 필요성을 느끼게 되었다. 본 논문에서는 웹기반의 ActiveX를 이용하여 프로그램을 자동적으로 설치하여 사용자는 버튼 하나만을 한번 클릭하는 방법으로 연결이 가능하고, 중계서버를 사용하여 공유기를 사용 하더라도 연결이 가능하도록 개선한 RemoPC를 개발하였다.
김성구 ( Seoung Gu Kim ),이병훈 ( Byoung Hoon Lee ),류지원 ( Ji Won Ryu ),신상윤 ( Sang Yun Shin ),김상훈 ( Sang Hoon Kim ) 대한천식알레르기학회 2006 천식 및 알레르기 Vol.26 No.2
Gemifloxacin, a compound of the fluoroquinolone, is a broad-spectrum oral antibacterial agent. The most common adverse effects of fluoroquinolones are gastrointestinal manifestations and incidence of cutaneous adverse effects is 0.7%. IgE mediated hypersensitivity reactions have been reported with fluoroquinolones. Until now gemifloxacin-induced anaphylaxis has been rarely reported. We experienced a case of gemifloxacin-induced hypersensitivity reaction confirmed by nonirritant intradermal testing. A 39-year-old woman took gemifloxacin for an acute bronchitis. Five days later, she developed generalized urticaria with fever, abdominal pain, and dyspnea. She continuously took gemifloxacin for 13 days before admission. Indradermal test showed positive finding to gemifloxacin. Because of cross-reactivity between fluoroquinolones, she was educated to avoid other kinds of the fluoroquinolone. (Korean J Asthma Allergy Clin Immunol 2006;26:159-162)
SWAT ArcView GIS Extension Patch를 이용한 소유역 분할에 따른 수문 및 유사 거동에 미치는 영향 평가
허성구 ( Sung Gu Heo ),김남원 ( Nam Won Kim ),박윤식 ( Youn Shik Park ),김종건 ( Jong Gun Kim ),김성준 ( Seong Joon Kim ),안재훈 ( Jae Hun Ahn ),김기성 ( Ki Sung Kim ),임경재 ( Kyoung Jae Lim ) 한국물환경학회 2008 한국물환경학회지 Vol.24 No.2
Because of increased nonpoint source runoff potential at highland agricultural fields of Kangwon province, effective agricultural management practices are required to reduce the inflow of sediment and other nonpoint source pollutants into the water bodies. The watershed-scale model, Soil and Water Assessment Tool (SWAT), model has been used worldwide for developing effective watershed management. However, the SWAT model simulated sediment values are significantly affected by the number of subwatershed delineated. This result indicates that the SWAT estimated watershed characteristics from the watershed delineation process affects the soil erosion and sediment behaviors. However, most SWAT users do not spend time and efforts to analyze variations in sediment estimation due to watershed delineation with various threshold value although topography falsification affecting soil erosion process can be caused with watershed delineation processes. The SWAT model estimates the field slope length of Hydrologic Response Unit (HRU) based on average slope of subwatershed within the watershed. Thus the SWAT ArcView GIS Patch, developed by using the regression relationship between average watershed slope and field slope length, was utilized in this study to compare the simulated sediment from various watershed delineation scenarios. Four watershed delineation scenarios were made with various threshold values (700 ha, 300 ha, 100 ha, and 75 ha) and the SWAT estimated flow and sediment values were compared with and without applying the SWAT ArcView GIS Patch. With the SWAT ArcView GIS Patch applied, the simulated flow values are almost same irrespective of the number of subwatershed delineated while the simulated flow values changes to some extent without the SWAT ArcView GIS Patch applied. However when the SWAT ArcView GIS Patch applied, the simulated sediment values vary 9.7% to 29.8% with four watershed delineation scenarios, while the simulated sediment values vary 0.5% to 126.6% without SWAT ArcView GIS applied. As shown, the SWAT estimated flow and sediment values are not affected by the number of watershed delineation significant compared with the estimated flow and sediment value without applying the SWAT ArcView GIS Patch.
관동맥 조영술 중에 관찰된 관동맥 기형의 빈도에 관한 연구
김주성(Ju Sung Kim),김명수(Myung Su Kim),정호석(Ho Seuk Jeung),류은상(Eun Sang Ryoo),현민수(Min Su Hyun),김성구(Sung Gu Kim),권영주(Young Joo Kwon) 대한내과학회 2001 대한내과학회지 Vol.60 No.5
N/A Background : Coronary anomalies are found incidentally, in which anatomy is altered but physiology is normal; that is, coronary blood flow is normal. However, certain anomalies are associated with myocardial ischemia or infarction, heart failure, and sudden death. Methods : From February 1988 to February 2000, 3534 cases have been catheterized, among them we experienced 28 cases of coronary anomalies. The incidence of coronary anonalies and clinical characteristic were evaluated. Results : The incidence of coronary anomalies was 0.79% and in 28 cases of coronary anomalies, 5 cases of anomalous origin from the aorta (0.14%), 2 cases of coronary artery aneurysm (0.16%) and 21 cases of coronary arteriovenous fistula (CAVF,0.59%) were found. In 5 cases of anomalous origin from the aorta, 4 cases showed that right coronary artery originated from left coronary sinus of Valsalva, 1 case showed that left circumflex coronary artery originated from right coronary sinus of Valsalva. All of coronary artery aneurysm were found in right coronary artery. In 21 cases of CAVF, 28 sites of fistula were found and 14 sites originated from right coronary artery (50%), 6 sites from left circumflex coronary altery (21.5%), 6 sites from left anterior-descending coronary artery, 2 sites from left main coronary artery (7%). 13 sites of CAVF drained into pulmonary artery (46%), 10 sites into right atrium (36%), 5 sites into right ventricle (18%). In 7 cases which had double CAVF, 4 cases were originated from bilateral coronary artery, 3 cases were originated from single coronary artery. In 10 cases CAVF without other cardiac lesion, 4 cases confirmed ischemic heart disease. Conclusion: In our study, CAVF is most common coronary anomaly and without other cardiac disease CAVF may develope ischemic cardiac disease. (Korean J Med 60:448-455, 2001)