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건축 프로그래밍 및 설계의 협동작업 체계화를 위한 형식주의적 설계 방법론 고찰
조용수 동아대학교 건설기술연구소 1996 硏究報告 Vol.20 No.1
A method of architectural formalism focused on collaborative work is presented through semiotic logic in the discourse of architectural communications, which can be a framework for architectural design groupware. Based on the repetitive synchronous and asynchronous process. its unique communicational characteristics of design collaboration through network were considered to make an adequate and realizable tool for architectural design.
조용수 에스케이텔레콤 (주) 2002 Telecommunications Review Vol.12 No.4
본 논문에서는 OFDM 방식의 기본이론, 응용분야, 최근 기술동향에 대하여 설명한다. OFDM 개요, Cyclic Prefix, 인접채널간 간섭, Coded OFDM, OFDM 파라메터 선정기법 등의 OFDM 기본이론을 요약한 후, 무선LAN, BWA, DAB, DVB, ADSL, VDSL, 무선 인터넷 셀룰러 통신 등의 OFDM 방식을 사용한 통신시스템을비교하여 설명한다. 최근 OFDM 기술 동향으로서 송신다이버시티/MIMO, 다중 엑세스, Link Adaptation, 고속 이동환경에서의 채널추정/등화기법, PAR 감소기법, 동기화기법에 대하여 설명한다.
Five-year Experience of Extracorporeal Life Support in Emergency Physicians
조용수,송경환,이병국,정경운,정용훈,이동훈,이성민 대한중환자의학회 2017 Acute and Critical Care Vol.32 No.1
Background: This study aimed to present our 5-year experience of extracorporeal cardiopulmonary resuscitation (ECPR) performed by emergency physicians. Methods: We retrospectively analyzed 58 patients who underwent ECPR between January 2010 and December 2014. The primary parameter analyzed was survival to hospital discharge. The secondary parameters analyzed were neurologic outcome at hospital discharge, cannulation time, and ECPR-related complications. Results: Thirty-one patients (53.4%) were successfully weaned from extracorporeal membrane oxygenation, and 18 (31.0%) survived to hospital discharge. Twelve patients (20.7%) were discharged with good neurologic outcomes. The median cannulation time was 25.0 min (interquartile range 20.0-31.0 min). Nineteen patients (32.8%) had ECPR-related complications, the most frequent being distal limb ischemia. Regarding the initial presentation, 52 patients (83.9%) collapsed due to a cardiac etiology, and acute myocardial infarction (33/62, 53.2%) was the most common cause of cardiac arrest. Conclusions: The survival to hospital discharge rate for cardiac arrest patients who underwent ECPR conducted by an emergency physician was within the acceptable limits. The cannulation time and complications following ECPR were comparable to those found in previous studies.
조용수,송화철,김수환 대한건축학회지회연합회 2006 대한건축학회지회연합회 학술발표대회논문집 Vol.2 No.1
The planning process of complex projects in tall building is characterized by the cooperation of many involved specialists and by a high degree of information exchange. In order to improve the quality of the structural design of tall buildings, information of different involved partners in the planning process has to be integrated. This paper aims to introduce web-based engineering database for column shortening of tall building. In this study, the interface of integrated frame system is proposed by using the entities for column shortening of tall buildings.