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장석각(Seok-Gahk Chang),이영훈(Young-Hoon Lee),변윤섭(Youn-Seop Byun) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
Maglev is a non-contact traffic system in which cars are supported by magnetic force instead of wheels. This is a ground-breaking traffic system providing superior environmental friendliness and cost efficiency due to the minimal noise and vibration offered by its non-contacting nature. We study the present specification and performance of the low speed urban maglev system in Korea and other countries. After set up the test line, to success the "Commercialization of Korean Urban Maglev System" project, we establish proper requirement of maglev system in Korean environment on base of "Daejeon National Science Museum Maglev Establish Project".
아클릴 , 에폭시 , 우레탄 및 SBR 계 라텍스를 혼합한 에틸렌 비닐아세테이트 에멀젼 수지의 물성에 관한 연구
최상구(Sang Goo Choi),박영삼(Young Sam Park),이복렬(Bok Yul Lee),변윤섭(Youn Seop Byun) 한국고무학회 1998 엘라스토머 및 콤포지트 Vol.33 No.5
N/A SBR, polyurethane, acryl and epoxy latex were seperately mixed with ethylenevinylacetate emulsion(EVA) in the range of 0∼50%(wt.%). For the mixtures, the various physical properties were examined. The viscosity of mixtures was mainly influenced by compatability with EVA emulsion, was decreased within 20% (wt.%) of latex content, and showed the similar values over 20 % (wt.%) of latex content. The workable time of cement mixtures was mainly depended on the reactivity with cement. The formation of film could be only within 30∼40 minutes from mixing cement. The tack-free time of mixtures was influenced by the sorts of resin and the quantity of cement. The slow order of tack-free time was epoxy mixtures$gt;SBR mixtures$gt;urethane mixtures$gt;acryl mixtures. The pencil hardness of mixtures was 4B∼2H, represented higher value in cement mixtures than in emulsion state.
Jheong, Gyeong-Rak,Byun, Youn-Seop,Chung In-Soo,Kim, Seong-Jong,Chang, Gyeong-Hwan 全北大學校 1989 論文集 Vol.31 No.-
생체계내에서 약물과 독극물의 분포를 예측하기 위하여 생리학에 기초를 둔 약역학적 모델을 항암제와 유독성화합물에 적용하였다. 이 모델은 실험적인 관찰, 생화학적인 지식과 단순화하기 위한 가정을 단일화된 수학적인 토대에 결부시킴으로써 복잡한 생체계를 간단하게 표한할 수 있다. 기초적인 약역학의 원리가 우선 Lumped-parameter Bischoff-Derick type models의 수학적인 전개에 중점을 두고 검토하였다. 약물의 결합, 약물의 신진대사, 모세관과 세포막을 통한 약물전달, 조직내에서 약물의 확산과 대류에 대한 개념들의 구체화에 대해서 논의하였다.