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권성우 ( Sung Woo Kwon ),최성호 ( Sung Ho Choi ),윤희정 ( Hee Jung Yoon ),최재필 ( Jae Phil Choi ),송영구 ( Young Goo Song ),이종화 ( Jong Hwa Lee ),박찬일 ( Chan Il Park ) 대한내과학회 2005 대한내과학회지 Vol.68 No.5
The Amyloidosis represent a heterogeneous group of disorders characterized by abnormal extracellular and endothelial accumulation of insoluble proteins. This disorder displays variable clinical symptoms depending upon the involved organ and a diagnosis is
지하매설 및 해양 금속구조물 음극방식용 모듈 타입 스위칭 정류기
문상호(Sang-Ho Moon),김보경(Bo-Kyoung Kim),김인동(In-Dong Kim),노의철(Eui-Cheol Nho),권영원(Young-Won Kwon),정성우(Seong-Woo Jeong),임헌호(Heon-Ho Lim) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
본 과제를 통해 금속 구조물 음극 방식용 고성능 스위칭 정류기를 개발하였다. 개발된 정류기 회로는 크게 두 부분, 즉 l 대로 구성된 AC/DC 컨버터부와 4대로 구성된 Module Type DC/DC 컨버터부로 되어 있다 AC/DC 컨버터는 IGBT PWM Rectifier 로서 입력전압의 역률을 거의 1로 제어하고 있으며 또한 DC Link 전압을 일정하게 제어하고 있다. Module Type DC/DC 컨버터는 ZCS/ZVS 스위칭 동작을 통하여 스위칭 손실 감소와 함께 고주파 동작을 가능하게 하여 , 입력측과 출력측의 전기적 절연을 위한 변압기로 고주파 변압기를 사용할 수 있게 하였다 이로 인해 시스템의 부피와 무게를 현저 히 감소시켰다 본 과제에서 개발한 방식용 정류기 기술 은 다른 유사 분야에의 적용도 가능한 것으로 사료된다.
이동걸,임승철,노성우,임수빈,권양,권병덕,Lee, Dong Girl,Rhim, Seung Chul,Roh, Sung Woo,Im, Su Bin,Kwon, Yang,Kwun, Byung Duk 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.2
Vertebral artery injury is a rare complication of anterior cervical approach. We report two patients who suffered injury to vertebral artery during anterior cervical spine surgery. The mechanism of injury, their operative management, and the subsequent outcome were assessed and relevant literatures reviewed. The awareness of the possibility of vertebral artery injury is most important to prevent and it's occurrence is best avoided by a thorough understanding of the anatomical relationships of the artery, the spinal canal, and the vertebral body and careful use of surgical instruments.
안영상,전영일,안재성,전상룡,김정훈,나영신,노성우,김창진,권양,임승철,이정교,권병덕,Ahn, Young Sang,Chun, Young Il,Ahn, Jae Sung,Jeon, Sang Ryong,Kim, Jeong Hoon,Ra, Young Shin,Roh, Sung Woo,Kim, Chang Jin,Kwon, Yang,Rhim, Seung Chul,Lee 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.5
Objective : Transseptal or sublabial transsphenoidal surgery has been standard teatment for pituitary tumors for decades. However, as an alternative to this surgery endonasal endoscopic technique has been reported with encouraging results. We have started endoscopy-assisted transsphednoidal surgery from May 1998. In this paper we analyzed the methods, outcome, advantage and disadvantage of this surgical approach for the purpose of planning optimal treatment of pituitary tumors. Methods : This study consisits of 13 cases of pituitary tumors who were treated by endoscopy-assisted transsphenoidal surgery using one nostril from May 1998 to July 1999. Mean follow up period was 12.9 months. Results : There was no septal or sublabial incision and little surgical damage to nasal structure. With this technique, rapid surgical approach and short hospital day were possible, being 3-6 days in patients without CSF leakage. Using various angled endoscope, good surgical view was obtained. Initially it was difficult to use various instruments in narrow nasal cavity, but became feasible after several procedures. Among 13 cases, total removal was possible in 11 cases. One of two cases in whom tumor was incompletely removed underwent gamma-knife radiosurgery and second underwent reoperation through subfrontal approach. There were 6 cases of hormone secreting tumors and hormonal remission was achived in all of these cases. Postoperative complications were CSF leakage(6 cases), diabetes insipidus(2 cases) and panhypopituitarysm(1 case). Lumbar drainage was done in all cases of CSF leakage. Conclusion : The advantage of endoscopy-assisted transsphenoidal surgery are rapid surgical approach, low postoperative morbidity, short hospital day and good surgical view. The disadvantage of this appoach are difficulty in manupulating various instruments in narrow nostril and difficulty in distance perception but these problems can be overcome by practice and using stereoscopic endoscope.
측두엽내 공간 점유 병소와 동반된 난치성 간질의 수술적 치료 성적
박준범,이완수,이정교,전상룡,김정훈,노성우,나영신,김창진,권양,임승철,권병덕,강중구,이상암,고태성,Park, Jun Bum,Lee, Wan Su,Lee, Jung Kyo,Jeon, Sang Ryong,Kim, Jeong Hoon,Roh, Sung Woo,Ra, Young Shin,Kim, Chang Jin,Kwon, Yang,Rhim, Seung Chul 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.1
Objective : The increasing use of sensitive neuroimaging techniques has demonstrated that significant percentage of patients with intractable complex partial seizures have brain masses, especially in temporal lobe. The optimal surgical solution for these patients is still open to debate. The purpose of our investigation is to evaluate the surgical outcome of patient with lesion-related temporal lobe epilepsy with respect to the types of surgery and the location of lesion. Patients and Methods : From DEC. 1993 to Dec. 1997, 35 patients with intractable epilepsy and space occupying temporal lobe lesion identified in preoperative MRI were included in this study. The types of surgery were lesionectomy, anterior temporal lobectomy with or without hippocampectomy. The location of lesion was divided as anteromedial group and lateral cortical group. The postoperative seizure outcomes according to the type of surgery and location of the lesion were compared. Results : Twenty-six of 34 patients(76.5%) were seizure-free after surgery. The Engel's class was favorable after anterior temporal lobectomy with or without hippocampectomy(p=.044) Conclusion : It is favorable to perform anterior temporal lobectomy for the treatment of intractable epilepsy with space-occipying lesion in temporal lobe. The resection of the hippocampus can be individualized.
유·무선 인터넷 서비스가 가능한 맞춤형 비빔밥 콘텐츠 설계
장대자(Dai-Ja Jang),양혜정(Hye Jeong Yang),권대영(Dae Young Kwon),성우열(Woo-Youl Sung) 한국콘텐츠학회 2010 한국콘텐츠학회논문지 Vol.10 No.7
본 연구에서는 PC 웹상에서만 제공되던 음식정보를 모바일에서도 동일하게 서비스가 가능한 콘텐츠를 설계하였다. PC와 모바일에서 동시에 서비스되는 웹 사이트는 회원 정보를 통해 각 개인에게 맞는 음식정보를 중심으로 콘텐츠를 서비스가 가능하도록 설계하였다. 이 콘텐츠를 통해 제공된 정보를 모바일 사용자가 실제 적용할 수 있도록 함으로써 각 개인의 건강관리에 도움을 줄 수 있도록 하였다. 이 시스템에서는 무선 인터넷이 가능한 모바일을 사용하는 사람들을 대상으로 하며, 여러 음식 메뉴 중에서도 비빔밥과 관련된 식자재 정보와 각 개인에게 맞는 레시피 그리고 조리 동영상을 제공할 수 있도록 하였다. 한국 전통 음식 중 하나인 비빔밥은 여러 가지 생채류와 나물들로 구성되어 영양적으로도 균형 있는 음식으로도 잘 알려져 있다. 이는 유·무선 인터넷 서비스가 가능한 웹 사이트 설계로 어느 곳에서든지 사용자들이 모바일의 무선인터넷을 이용하여 몸에 좋은 식품 정보, 건강을 위한 메뉴와 같은 콘텐츠를 제공받을 수 있도록 하는 것이다. In this research a food information contents available as well as for PC web and for mobile web users was designed. The web site providing service for PC web and mobile web clients focuses on offering data on individually matching food based on the member’s information. The information obtained from the contents can be practically applied by mobile users helping them to take care of their health. This system focuses on wireless internet mobile users and offers various food menus with cooking videos and also information regarding food supplies for individually matching bibimpab recipes. It gives a good information about one of the most traditional Korean food bibimpab which is made of various kinds of vegetables and greens. It also contains nutrition balance information. Designing the web site as a web site available for wired·wireless internet accesses makes it available at any place for mobile wireless internet users so that they can obtain all information regarding products and menu which are good for their health.
권성우,이병찬 啓明大學校 産業經營硏究所 1997 經營經濟 Vol.30 No.2
SUMMARY Since the late 1960s when the discussion about software crisis - the problem of building large, reliable software system in a controlled and cost-effective way - was risen, many methodologies have been introduced to solve that problem, and software reuse can be regarded as one of these efforts. Software reuse is using existing software components during the construction of a new software system. The types of components that can be reused are not limited to source code but rather may include design specification, documentation, module-level implementation, a variety of knowledge from all the development phases, and so on. In spite of its promise, software reuse has failed to become standard pratice for software construction. In light of this failure, the computer science community has renewed its interest from the late 1980s. Most of the research has focused only on the technical aspect of software reuse since then, and little attention to managerial considerations. A successful adoption of new technology in an organization, however, cannot be achieved only with technology itself, but rather together with managerial aspects. Therefore, we tried to find a business considerations for strategic implementation of software reuse. To achieve this goal, we first study the concept, history, and the effects of strategic implementation of software reuse from the point of management strategu, motivation, and organization structure. Finally, the case of Motorola company was analyzed. We tried to propose managerial guidelines for strategic implementation of software reuse, and this will be helpful to make plans for that and to decrease the chance of trial and error during the adoption phases of new technology. Since the late 1960s when the discussion about software crisis - the problem of building large, reliable software system in a controlled and cost-effective way - was risen, many methodologies have been introduced to solve that problem, and software reuse can be regarded as one of these efforts Software reuse is using existing software components during the construction of a new software system. The types of components that can be reused are not limited to source code but rather may include design specification, documentation, module-level implementation, a variety of knowledge from all the development phases, and so on. In spite of its promise, software reuse has failed to become standard practice for software construction. In light of this failure, the computer science community has renewed its interest from the late 1980s. Most of the research has focused only on the technical aspect of software reuse since then, and little attention to managerial considerations. A successful adoption of new technology in an organization, however, cannot be achieved only with technology itself, but rather together with managerial aspects. Therefore, we tried to find a business considerations for strategic implementation of software reuse. To achieve this goal, we first study the concept, history, and the effects of software reuse. And then we consider the managerial aspects of strategic implementation of software reuse from the point of management strategy, motivation, and organization structure. Finally, the case of Motorola company was analyzed. We tried to propose managerial guidelines for strategic implementation of software reuse, and this will be helpful to make plans for that and to decrease the chance of trial and error during the adoption phases of new technology.