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경부 신경원성 종양의 경동맥 압박으로 인해 발생한 재발성 뇌경색의 1예
강승호,김준태,박은선,오동석,이진희,최윤주,박만석,조기현 대한뇌졸중학회 2011 Journal of stroke Vol.13 No.2
A 62-year-old man with a neurogenic tumor in the neck was admitted to our hospital for recurrent ischemic stroke due to carotid occlusion. The magnetic resonance (MR) angiograms revealed the occlusion of the right internal carotid artery (ICA). Arterial compression by the tumor could be considered as the cause of ICA occlusion. Since neurogenic tumors of the neck have signifi -cant surgical risks, the patient underwent extracranial-intracranial arterial bypass (EC-IC bypass) surgery. We report a case with recurrent ischemic stroke due to carotid compression by a neurogenic tumor of the neck. (Korean J Stroke 2011;13:89-91)
강승호,박병준,임채남,조성백,정해원,이준신,Kang, Seung-Ho,Park, Byung-Jun,Im, Chae-Nam,Cho, Sung-Baek,Cheong, Hae-Won,Yi, Junsin 한국전기전자재료학회 2015 전기전자재료학회논문지 Vol.28 No.12
Thermal batteries are heat-activated primary reserve power sources that use inorganic salt as electrolytes and specially designed to meet extremely long or environmentally severe storage requirements. They are primarily used to deliver high power for relatively short periods in such applications as fuzes, missiles, ordnance and other military applications. In this paper, we describe a general overview and research trends on electrode materials for thermal batteries.
景觀 Simulation 技法을 이용한 環景計劃 ·設計의 適用에 관한 硏九 : (컴퓨터 그래픽 기법을 중심으로)
이주형,강승호 漢陽大學校 環境科學硏究所 1994 環境科學論文集 Vol.15 No.-
본 연구에서는 경관시뮬레이션 技法중 컴퓨터 技法을 이용하여 環境計劃 및 設計를 수행하였다. 연구 진행방법은 3段階로 이루어진다. 1段階 : 데이타베이스의 構策-環境을 이루고 있는 각종 自然的 要素와 人爲的으로 만들어 나가는 人工的 要素를 컴퓨터에 畵像이나 3次元 圓形으로 貯藏하고, 라이브러리화 한다. 2段階 : 대상지의 분석-계획대상지에 적지분석 및 공간분석을 수행하는데 있어서 LANDCADD를 이용하였다. 적지 및 공간분석은 각 시설의 설치 기준에 합당한 屬性을 입력하여 圖面重??法으로 분석하였다. 3段階 : 대상지의 계획 및 설계―몇가지 방법을 이용하여 사실적 이미지을 작성하였고, 계획시설의 레이트레이싱 畵像을 背景畵像 위에 合成하는 방법을 체계화 시켰다. 이러한 방법에 의해 나타나는 결과물은 LANDCADD와 컴퓨터 그래픽을 이용한 사실적 표현과 이해하기 쉬운 정보의 可視化에 의해 계획에 관계되는 예측 평가의 정도를 향상시키고, 개발계획에 관련된 사람들의 의견을 수렴하기 위한 미디어로 유효하며, 존재하지 않는 경관을 계획한대로 만들어 낼 수 있는 造作成을 경관평가의 실험적 통제에 적용하는 방법을 제시한다. This study applied the techiniques of computer among landscape simulation techiniques to environment planning and design. The progress of this study comprises three stage. First stage : Construction of database―Computer saves natural and artificial factors in the shape of image or 3 dimension model and make library Second stage : The analysis of site―The analysis of suitable site and space is performed by LANDCADD. Suitable attribute of design criteria are analysed with overlay techinique Third stage : Planning and design for site Some methods are used to build realistic images. The raytracing image of planning building are composed on the background image. The result output by landcadd and computer graghics improves the prediction degree of the related planning and is the useful aggreregation media of inhabitant opinions and present the method used exprimental control of landscape evaluation.
강승호,이상희,전태수 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.60 No.4
In recent decades, the behavior of Caenorhabditis elegans (C. elegans) has been extensively studied to understand the respective roles of neural control and biomechanics. Thus far, however, only a few studies on the simulation modeling of C. elegans swimming behavior have been conducted because it is mathematically difficult to describe its complicated behavior. In this study, we built two hidden Markov models (HMMs), corresponding to the movements of C. elegans in a controlled environment with no chemical treatment and in a formaldehyde-treated environment (0.1 ppm),respectively. The movement was characterized by a series of shape patterns of the organism, taken every 0.25 s for 40 min. All shape patterns were quantified by branch length similarity (BLS)entropy and classified into seven patterns by using the self-organizing map (SOM) and the k-means clustering algorithm. The HMM coupled with the SOM was successful in accurately explaining the organism’s behavior. In addition, we briefly discussed the possibility of using the HMM together with BLS entropy to develop bio-monitoring systems for real-time applications to determine water quality.