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최종욱,김용환,김혜정,이승훈,최건,Choi, Jong-Ouck,Kim, Yong-Hoan,Kim, Hye-Jeong,Lee, Seung-Hoon,Choi, Geon 대한기관식도과학회 1997 大韓氣管食道科學會誌 Vol.3 No.1
Acquired tracheal dilatation is a state of abnormal tracheal dilatation developing from various causes. Tracheomalacia and tracheal dilatation can develop in respiratory distress patients with prolonged endotracheal intubation with assisted positive-pressure ventilation due to positive airway pressure and high cuff pressure. The authors have recently experienced one case of respiratory failure, cardiac arrest, and whole body emphysema after tracheostomy and portex tube insertion were performed to patient with the endotracheal intubation with assisted positive-pressure ventilation for two weeks in the septic shock resulted from colon perforation, who developed tracheal dilatation. We summarize diagnostic and therapeutic strategies of acquired tracheal dilatation for the prevention of emergency status and the management for that patients.
반도체 제조시스템에서 검사장비의 생산 스케쥴링을 위한 공진화 알고리듬
신동주,정호연,김용환,이효영,김재윤,김여근 한국경영과학회 2001 한국경영과학회 학술대회논문집 Vol.- No.1(2)
The purpose of this study is to develop a co-evolutionary algorithm to deal with the multi-objective scheduling problem to minimize the due date and cycle time simultaneously for scheduling of the IC sort and final test in the ASIC(Application Specific Integrated Circuits) semiconductor manufacturing system. This problem has been known as NP-hard. Therefore, to deal with this problem heuristic algorithm is needed. In this study, we develop a co-evolutionary algorithms for the problem, and through computer experiment, we also evaluate the performance of this algorithm.