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김태엽,경영자,손상희 청주대학교 산업과학연구소 1999 産業科學硏究 Vol.17 No.1
Frequency divider selects the channel of the frequency synthesizer. General programmable divider has many flip-flops to realize all integer division value and stability problem by using dual modules prescaler. In this paper, a new architecture of programmable divider is proposed and designed to improve these problems. The proposed programmable divider has only thirteen flip-flops The programmable divider is designed by 0.65μm CMOS technology and HSPICE. Operating frequency of the programmable divider is 200MHz with a 3V supply voltage.
대구지하철 화재 조사 분석 (1) - 타임테이블 및 참사 수습 체계 -
김태현(Kim Tae-Hyun),전규엽(Jeon Gyu-Yob),박경현(Park Kyung-hyun),홍원화(Hong Won-Hwa) 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
It happened that the fire at Joong-Ang Ho of Daegu. It might be ended as fire happening but proceeded to the disaster giving a number of damage because of the incomplete system of disaster prevention we had taken the lack of understanding and specialization about. Hut many city have been studied about disaster prevention. The synthesis operation and management of disaster prevention have not been prevented disaster these day. Now we will need the new disaster prevention system. This study is to analyze of the Timetable and system for settlement resulted from fire of subway in Daegu City. And This data will use in base of disaster prevention establishment.
Airway Obstruction with Armored Tracheostomy Tube by Swelling of Inner Layer: A case report
Chang Young Jeong,Sang Hyun Kwak,Sung Su Chung,Hyon Jeong Lee,Tae Yob Kim Korean Society of Critical Care Medicine 1997 Acute and Critical Care Vol.12 No.2
One of the reasons for insertion of endotracheal tube is to provide a patent airway. Unfortunately, the tube itself may become the cause of airway obstruction. Especially, armored tube is known to be most effective in maintenance of airway patency. However, airway obstruction has been reported by a varity of causes even though armored tube was used. We experienced airway obstruction with armored tracheostomy tube by swelling of inner layer near the cuff. The tube was reused one and had been disinfected with ethylene oxide. Therefore, to prevent complication such as airway obstruction by use of armored tubes, it is desirable to avoid reusal of armored tube and to examine the lumen as well as cuff before intubation when reused.
김선아,한상엽,김태형,최영락,윤희성,이경헌,Sun A Kim,Sang Yob Han,Tae Hyung Kim,Yeong Rak Choi,Hee Sung Yoon,Kyung Hun Lee 대한안과학회 2006 대한안과학회지 Vol.47 No.9
Purpose: To report a case of isolated posterior capsule rupture (PCR) with cataract after blunt ocular trauma in a child. Methods: A 6-year-old female visited our institution complaining of blurred vision (best corrected visual acuity: counting fingers at 30 cm) in the left eye three months after blunt ocular trauma. Slitlamp examination showed the cataract and PCR with intact anterior capsule. Removal of the cataract was approached via a scleral tunnel incision. Anterior vitrectomy was performed and a foldable intraocular lens (IOL) was inserted in the sulcus. Results: Visual acuity was improved to 0.7 two days after the surgery and further improved to 1.0 at two months. Conclusions: An isolated PCR with cataract is a rare complication of blunt ocular trauma. We present a case of PCR after blunt ocular injury as well as a surgical procedure to safely remove the cataract via an anterior approach and implantation of the IOL in the sulcus.