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포스터 전시 : 위장관 ; 비스테로이드성 소염진통제에 의한 장염 1예
이은규 ( E. K. Lee ),박영숙 ( Y. S. Park ),정인수 ( I. S. Chung ),서유승 ( Y. S. Seo ),박준섭 ( J. S. Park ),이정돈 ( J. D. Lee ),김태헌 ( T. H. Kim ),주연호 ( Y. H. Joo ),이진혁 ( J. H. Lee ),김완섭 ( W. S. Kim ) 대한소화기학회 2002 대한소화기학회 춘계학술대회 Vol.2002 No.-
<서론> 비스테로이드성 소염진통제는 대장에 비특이성 장염을 일으키거나 기왕의 대장 질환을 악화시키는 것으로 알려져 있다. 장염을 일으키는 기전은 아직 분명치 않으나 점막의 투과성 증가가 선행될 것으로 생각되고 있다. 임상적으로는 만성 설사, 체중 감소, 철 결핍성 빈혈 및 저단백 혈증을 보이며 이들의 대장 내시경 소견은 정상에서 궤양 및 협착에 이르기까지 다양하게 보고되고 있다. 이들의 조직학적 소견은 만성 염증세포의 침착을 보여 현미경적 장염과 유사하
CDC 시스템의 Yaw 제어를 통한 UCC 시스템 구현
고유석(Y.S.Kou),두민수(J.W.Lee),김완섭(W.I.Kom),김완일(W.S.Kim),이정우(M.S.DOO) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
A vehicle suspension control system is newly evaluated in terms of enhancing vehicle stability and handling with braking control system CDC system is used to distribute the damping forces bet wren front and rear axles .which has effect on the vehicle yaw rate with ESP(Electric Stability Program), CDC system mitigates the over-steer and the under-steer tendencies during quick transient maneuver while ESP plays a same role in the unstable area of vehicle.<br/> Both systems can share control information through CAN and cooperate to achieve improved performance. The basic principle of system operation is explained based on CDC system, ESP and the vehicle dynamics. The computer simulation and the vehicle test result are presented to show the effect of damper setting on the vehicle characteristics and demonstrate the benefit of the proposed yaw control algorithm.
김완섭(W.S. Kwon),문우식(W.S. MOON),유한희(H.H. Yoon),김경웅(K.W. Kim) 한국트라이볼로지학회 2003 한국트라이볼로지학회 학술대회 Vol.37 No.-
This study represents the newly advanced formulation of hydraulic fluids for extended drain interval and introduces the performance results of used oil samples from various excavators. The used oil samples, in this paper. show that there is a sharp change in viscosity drop and moderate additive depletion when viscosity index of hydraulic oil is very high. For the extension of hydraulic fluid life, it is necessary to improve the stability of viscosity and oxidation. New target properties from the used oil analysis were proposed for extended life. Performance of newly developed hydraulic oil based on used oil analysis is compared with previously used one. The properties of new formulation are the viscosity index of 140 and improved thermal stability consists of VHVI base oil. Field test results showed the possibility of extension of fluid life. Additionally, for development of high performance product, new required properties and performances were discussed.
10의 -10승 수준에서 조셉슨 전압표준기 불확도 평가
김규태,김문석,정연욱,김완섭,송운,Kim, K.T.,Kim, M.S.,Chong, Y.,Kim, W.S.,Song, W. The Korean Superconductivity Society 2007 Progress in superconductivity Vol.9 No.1
The most recent improvement in the 10 V array system was carried out with focusing on noise reduction. We have evaluated the uncertainty of the 10 V Josephson array system after the improvement. The uncertainty evaluation of 10 V standard included a comparison with a programmable Josephson array system at 1 V. Every contribution to the measurement uncertainty was evaluated in the level of $10^{-10}$. The estimated combined uncertainty was found to be approximately $10^{-9}$ at 10 V, which was limited only by the indirect verifying method. In the near future, a direct comparison with another 10 V Josephson voltage standard is expected to be carried out to provide more accurate uncertainty evaluation for the KRISS Josephson voltage standard.