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업무시설 리모델링의 친환경인증제도 구성요소에 관한 연구
권오선(Kwon Oh-Seon),임영환(Lim Yeong-Hwan) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(계획계)
In 1970, the movement of heavy chemical industry oriented economic structure from manual industry started to change overall parts of Korea such as economic and social structures. The high growth of Korean Economy has centered on the city and has effects on overpopulation of the city. For this reason, the phenomenon of social infrastructure became unavoidable. Therefore, the demands of buildings rapidly increased and effected on overall changes of architecture. Also, it had direct influences on the current centralization, Manhattanization, and mass production of buildings in the city. Then, there has been additional investment in building constructions, and the building industry has been even more activated. In this rapidly increased building industry stated to appear functional, environmental, and aesthetic problems with the life-cycle of the buildings in 1990. Remodeling was one of the alternatives for the deterioration of buildings. Especially for the deteriorating office buildings, new working facilities and environments are required, and the remodeling is considered as one of the solutions.
전신마취를 시행한 구강외과 환자에서 어려운 기관내삽관: 후향적 연구
권오선,김철홍,Kwon, O-Seon,Kim, Cheul-Hong 대한치과마취과학회 2008 Journal of Dental Anesthesia and Pain Medicine Vol.8 No.2
Background: This retrospective study aims to describe the airway management and to search predictive parameter for difficult intubation in 700 patients undergoing oromaxillary surgery. Methods: The medical records of 700 patients undergone oromaxillary surgery were reviewed for airway management during perioperative period. The cases of difficult intubation were selected and those radiologic findings were reviewed. The mandibular depth (MD), mandibular length (ML), thyromental distance (TMD) were measured. Results: In 41 cases difficult intubation were recorded in anesthetic record. The grade of Cormack and Lehane was III in 36 patients and IV in 5 cases. The MD of difficult intubation cases was $4.2{\pm}3.2\;cm$. The ML of difficult intubation cases was $10.1{\pm}3.8\;cm$. The TMD of difficult intubation cases was $5.9{\pm}4.3\;cm$. Under the fiberoptic guided awake intubation was undertaken in 75 patient. In none of the cases was failed nasotracheal intubation. Conclusions: The patients undergoing oromaxillar surgery have a potentially difficult airway but, if managed properly during perioperative preiod, morbidity and mortality can be reduced or avoided. The radiologic findings were poor predict for difficult intubation. The fiberoptic guided awake intubation is a safe alternative to direct laryngoscopic intubation.
권영웅,오선,이우민,이종원 중앙대학교 생산공학연구소 2000 생산공학연구소 논문집 Vol.9 No.1
이륜차 CVT(Continuously Variable transmission)의 가동플랜지는 그 내부에 롤러가 들어가 있어 이 롤러의 구동으로 벨트가 가동풀리의 형상을 따라 움직이게 된다. 롤러의 움직이는 궤적은 바로 가동플랜지 내부의 프로파일형상과 매우 밀접한 관계를 맺고 있다. 본 연구에서 현재 이륜차 CVT에 사용되고 있는 가동플랜지의 특성을 해석하였다. Driving flange used in motorcycle CVT(Continuously Variable Transmission) has a roller inside. The belt moves according to the track of driving pulley by the actuation of this roller. The orbit of this roller is closely related with the inner profile figure of the driving flange. In this study, the characteristics of driving flange used in motorcycle CVT was analyzed.