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이재운,김성식,Lee, Jae-Un,Kim, Seong-Sik 한국컴퓨터산업학회 2007 컴퓨터産業敎育學會論文誌 Vol.8 No.4
최근의 교육적 패러다임은 정보 통신의 발전에 따라 지식의 수동적인 전수자로서의 교육이 아닌, 실세계의 복잡하고 다양한 문제를 해결할 수 있는 능동적인 구성자로서의 교육을 요구하고 있다. 이러한 변화는 정보와 아이디어의 소유보다는 공유를 통해 다른 사람의 다양한 시각을 접할 수 있는 교육-환경을 요구한다. 이에 본 연구에서는 발표학습을 통한 상호작용 효과를 극대화하기 위해 발표의 일회성에 기인하는 단점, 발표자료의 재활용이 미흡한 점을 보완하며, 상호작용 활동의 연장, 발표활동에 참여하지 못하는 학습자에 대한 동기 부여를 통해 지속적인 상호작용이 가능하도록 웹 기반 형태의 발표학습 전략을 설계하였다. 이를 위해 동료학습자간 발표자료 제공자와 학습자로 구분하여 각각의 역할을 제시하고, 발표학습을 지원하기 위한 시스템 구성 전략을 단계별로 제시하였다. 본 연구에서 제안하는 발표학습 전략을 통해 동료학습자간의 지속적인 상호작용이 가능하며, 시 공간 제약없이 하교 후에도 가정에서 발표학습 활동이 계속 이루어져 상호작용을 통한 교육적 효과가 클 것으로 기대된다. Recording to development of info-communication, recent educational paradigm asks not for a passive transmitter but an active constructor who can solve the various complicated problems in real situations. Such a change asks for the educational setting which includes sharing ideas and information rather than possessing them by themselves. Learning through presentation has many problems which are few chances of presentation as well as reusing of presentation data. etc. This study suggested the strategy which are promoting interactions through presentation class and using practically. For this, role of the presentation data provider and learner was suggested, also strategies to implement of the presentation learning support system step by step. Through the strategy of this paper could maintain the active communicating relationship between the learners. Without the limitation of the time and space, the real time communication is made while looking at the presentation data of the other party, the teaming effect by the presentation teaming strategy is expected to be high.
이재운 ( Jae Un Lee ),권영수 ( Young Soo Kwon ),최근배 ( Keun Bae Choi ) 한국수학교육학회 2016 수학교육논문집 Vol.30 No.2
이 논문은 행과 열이 작은 정사각형으로 이루어진 직사각형 틀 구조물의 견고성에 대하여 다룬다. 수학화(mathematising)의 관점에서 각의 변화를 이용하여 구조물의 견고성 여부를 결정하는 새로운 증명법을 제시하고 이를 활용하여 구조물의 견고성을 판단하는 한 알고리즘을 제안한다. In this paper, we investigate the bracing rectangular frameworks problem and provide a new proof of this problem using the angle sequence according to deformed rectangular frameworks in a view of mathematising. And also we provide the algorithm to determine the rigidity of braced rectangular frameworks.
둔상에 의한 소장 천공의 임상적 분석 및 진단적 도구로서의 CT의 유용성 평가
이재운 ( Lee Jae Un ),김진환 ( Kim Jin Hwan ),김장호 ( Kim Jang Ho ),조해창 ( Jo Hae Chang ),배병조 ( Bae Byeong Jo ) 대한외상학회 2003 大韓外傷學會誌 Vol.16 No.1
Background: Although small bowel rupture has been reported to be the third most common injury in blunt abdominal trauma, but small bowel injury is an infrequent diagnosis, and there is not much agreement on how to make the diagnosis. The purpose of this s
요석증이 초기 증상으로 발현된 제1형 다발성 내분비 선종이 동반된졸링거 엘리슨 증후군
이나은 ( Na Eun Lee ),이영재 ( Young Jae Lee ),윤소희 ( So Hee Yun ),이재운 ( Jae Un Lee ),박문식 ( Moon Sik Park ),김중근 ( Joong Keun Kim ),김지웅 ( Ji Woong Kim ),조진웅 ( Jin Woong Cho ) 대한소화기학회 2013 대한소화기학회지 Vol.61 No.6
Zollinger-Ellison syndrome (ZES) is characterized by gastrinoma and resultant hypergastrinemia, which leads to recurrent peptic ulcers. Because gastrinoma is the most common pancreatic endocrine tumor seen in multiple endocrine neoplasia type I (MEN 1), the possibility of gastrinoma should be investigated carefully when patients exhibit symptoms associated with hormonal changes. Ureteral stones associated with hyperparathyroidism in the early course of MEN 1 are known to be its most common clinical manifestation; appropriate evaluation and close follow-up of patients with hypercalcemic urolithiasis can lead to an early diagnosis of gastrinoma. We report a patient with ZES associated with MEN 1, and urolithiasis as the presenting entity. A 51-year-old man visited the emergency department with recurrent epigastric pain. He had a history of calcium urinary stone 3 years ago, and 2 years later he had 2 operations for multiple jejunal ulcer perforations; these surgeries were 9 months apart. He was taking intermittent courses of antiulcer medication. Multiple peripancreatic nodular masses, a hepatic metastasis, parathyroid hyperplasia, and a pituitary microadenoma were confirmed by multimodal imaging studies. We diagnosed ZES with MEN 1 and performed sequential surgical excision of the gastrinomas and the parathyroid adenoma. The patient received octreotide injection therapy and close follow-up.
2세대 약물 용출 관상동맥 스텐트 삽입 후 급성 심근 경색으로 병발한 관상동맥 연축 1예
김중근 ( Joong Keun Kim ),이신은 ( Shin Eun Lee ),박문식 ( Moon Sik Park ),윤소희 ( So Hee Yun ),이나은 ( Na Eun Lee ),이재운 ( Jae Un Lee ),이동엽 ( Dong Yub Lee ),박종필 ( Jong Pil Park ),전성희 ( Sung Hee John ),임지현 ( Ji Hyu 전북대학교 의과학연구소 2012 全北醫大論文集 Vol.36 No.1
Although several investigators have reported the coronary artery spasm after coronary artery stenting, all previous reports, coronary spasm after drug-eluting stent (DES) placement was occurred in first generation DES, such as sirolimus-eluting (Cypher®) and paclitaxel-eluting stents (Taxus®). Clinical relevance is unknown, the underlying mechanism may be delayed vascular healing due to toxic effects of the sirolimus and paclitaxel to endothelial cells (EC). The second-generation DES, such as everolimus-eluting (Xience V®) and zotarolimus-eluting stents (Endeavor®), are proving to be significantly more effective and safer than the first-generation DES.1)2) We report a patient with severe coronary artery spasm lead to myocardial infarction after second generation DES implantation at the site of detectable atherosclerotic lesion.