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장피부 누공을 동반한 베체트 장염 환자를 Adalimumab으로 치료한 1예
오일환 ( Il Hwan Oh ),김진옥 ( Jin Ok Kim ),변영재 ( Young Jae Byun ),성윤경 ( Yoon Kyoung Sung ),최찬범 ( Chan Bum Choi ),김태환 ( Tae Hwan Kim ),전재범 ( Jae Bum Jun ),엄완식 ( Wan Sik Uhm ) 대한류마티스학회 2012 대한류마티스학회지 Vol.19 No.3
Behcet`s disease (BD) is a multisystemic disorder, which is characterized by recurrent oral aphthous ulcers, genital ulcers, uveitis, and skin lesion. Although intestinal involvement is an uncommon manifestation of the BD, it leads to a poor prognosis, as a result of a high complication, such as intestinal perforation, fistula formation, and massive hemorrhage. Intestinal BD has the tendency for the resistance to conventional medical treatment, and it often requires a surgical intervention because of severe complication. Although the causes of intestinal BD are unknown, some studies show that tumor necrosis factor Alpha (TNF-α) plays a key role in the pathogenesis of BD. Therefore, anti- TNF-α monoclonal antibody, such as adalimumab, is one of the useful treatment for refractory and relapsed intestinal BD. We describe a patient who had intestinal BD complicated enterocutanous fistula with a good response to adalimumab.
댐저수지 수면을 활용한 태양광발전시스템 설치에 관한 연구
최형철(Hyeong-Cheol Choi),변일환(Ill-Hwan Byun),이남형(Nam-Hyeong Lee),이성훈(Sung-Hun Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
저수지 수면을 이용한 태양광발전시스템은 저수지, 연못 등의 유휴수면에 부유체를 이용하여 태양광발전시스템을 수면에 설치하는 발전방식이다. 수면의 환경조건은 지상조건에 비해 장애물이 없고 모듈의 온도가 낮기 때문에 일조량 및 발전효율의 증가 등이 예상되고 있다. 지상태양광발전은 농지 또는 임야를 개발하는 과정에서 삼림훼손 등을 유발하는 단점이 있으나, 수면태양광발전은 유효 수면을 적극 활용함으로 국토가 협소한 우리나라에 매우 적합한 발전방식이라 할 수 있다. 본 논문은 한국수자원공사에서 관리하고 있는 주암 다목적댐에 수면태양광실증플랜트를 설치한 사례로 설계 및 시공방법에 대하여 기술하고자 한다.
옥연호(Yeon-Ho Ok),변두균(Doo-Gyoon Byun),오석영(Sueg-Young Oh),변일환(Ill-Hwan Byun),김영호(Young-Ho Kim),이은웅(Eun-Woong Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
There are lots of hunting cases in Power system for various reasons. Some cases are very minute. Even plant operators can not recognize. But some cause black down in power system. In this paper, I will analyze hunting cases in power system and how fast the new & old excitation systems work well. Therefore I take measures and suggest solutions for similar cases.
이은춘(Eun-chun Lee),김태호(Tae-Ho Kim),변일환(Il-Hwan Byun),이은웅(Eun-Woong Lee) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
Since the starting reactor used for reducing inrush current of high voltage induction motor applies an electric current only when it is at the stage of transition, it gets lots of electrical or mechanical stress. In this aspect, the reliability on the starting reactor is very important because the reactor-relating-accident takes 80% of all the accident concerned with high voltage motor starting panel. In this study, we conducted an insulation test of starting reactor of high voltage induction motor of intake pumping station to the Seoul area And the result from this study was used as data for determining whether it's still usable or not.