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급성전골수성백혈병에서 백혈구성분채집술에 이은 치명적인 뇌출혈 2예
오윤정,박소윤,김윤정,한동석,김현수,최진혁,남동기,임호영,김효철,주희재 아주대학교 의과학연구소 1998 아주의학 Vol.3 No.1
The aim of this study is to report 2 cases of acute promyelocytic leukemia who died from intracranial hemorrhage following leukapheresis and to provide proper preventive measures against hemorrhage following leukapheresis. From 1994 to 1997, a total of twenty-six patients with leukemia underwent leukapheresis to control hyperleukocytosis at Ajou University Hospital. Two patients with acute promyelocytic leukemia received all-trans retinoic acid but developed drug-induced hyperleukocytosis. Shortly after leukapheresis, they died from intracranial hemorrhage. The risk factors for fatal hemorrhage are thought to be coexisting disseminated intravascular coagulation(DIC), thrombocytopenia aggravated by leukapheresis, exacerbated coagulopathy related to mechanical trauma through leukapheresis and the excess use of citrate during leukapheresis. To reduce the risk of the bleeding associated with leukapheresis, it is necessary to replace platelet sufficiently before and after leukapheresis and to give calcium to correct coagulopathy induced by excess citrate which is used as anticoagulant as well as the correction of disseminated intravascular coagulation.
Effects of Extrusion Conditions on Pasting Properties of Potato and Potato : Wheat Flour Mixture
Cha, Jae Yoon,Cho, Yong-Jin,Kim, Chong-Tai,Kim, Chul-Jin,Ng, P. K. W. 한국산업식품공학회 2003 산업 식품공학 Vol.7 No.2
The purpose of this study was to develop extrusion process of fresh potato and to study the effects of extrusion condition on the pasting properties of extruded potato products. The blend of pressed potato and wheat flour and pressed potatoes were extruded at different die exit temperatures (110-160℃) and screw speed of 100 rpm using a twin-screw extruder with conveying, high and low shear screw configuration. The viscosity-related parameters, such as peak viscosity, through, final viscosity, peak time, and pasting temperature of the feed materials and extruded products, were studied using a rapid visco analyzer (RVA). Their water solubility index (WSI) and water absorption index (WAI) were also studied. The peak viscosity, through, final viscosity, and peak time of pressed potato extrudates and potato-wheat flour mixture extrudates decreased as die exit temperature increased. The WSI and WAI of potato products increased as die exit temperature increased. When high shear screw configuration was used, the values of viscosity-related parameters were lower than those when low shear screw configuration was used. The potato-wheat flour mixture products obtained different degrees of depolymerization from fresh potatoes and wheat flour depending on die exit temperature and screw configuration.
현행 중등학교 과학 실험 , 실습 교육 실태 조사 및 그 운영 진단 (Ⅱ) : 고등학교 과학 실험 , 실습 교육을 중심으로
김영호,이윤종,정원우,강용희,양승영,윤성효,안병호,윤일희,권용주,임성규,오철한,기우항,전명남,김중욱 한국과학교육학회 1998 한국과학교육학회지 Vol.18 No.3
본 연구는 96년도에 실시한 우리 나라 중학교 과학 실험·실습 교육의 실태 조사 연구에 따른 계속 연구의 일환으로 고등학교 과학 실험·실습 교육의 실태를 조사하기 위한 것이다. 연구내용은 고등학교 과학 교과서의 분석, 실험·실습 실시 현황 분석, 현행 실험·실습 교육의 문제점 분석, 현행 학교 구성원들의 실험·실습 교육 운영 실태 조사 및 현행 실험·실습 교육의 개선을 위한 연구과제 도출을 주요 연구내용으로 다루었다. 연구방법은 전국의 고등학교 80개교를 대상으로 이들 학교의 학생 1,977명, 교사 165명, 학교장 80명에게 적용하였다. 본 연구에서 밝혀진 결과를 중심으로 우리 나라 고등학교 과학 실험 실습 교육의 정상화를 위한 실험 내적인 연구과제를 제시하면 다음과 같다. (1)교재 개발에 대한 연구, (2)실험 킷트 개발에 대한 연구, (3)교사교육 및 재교육 프로그램 개발에 대한 연구, (4)교실 밖 실험·실습 활동 프로그램 개발에 대한 연구, (5)과학 실험·실습 소재의 개발에 대한 연구. This study was accomplished to analysis and survey on the experimental and practical science education of high school in korea for the consecutive study of the an analysis and survey on the experimental and practical science education of middle school in korea(Lee, Yoon-Jong et al., 1997). The status of facilities, management for the experiment, practices, teaching methods in high schools have been investigated. The present status and reasonable management of the high school science education have been grasped from the questionaires. To do this 165 high school science teachers, 1977 students and 80 principals of high schools in Korea are administered questionaires of Science Education Research Institute of Kyungpook National University(1997). The results of this study are as follows : The reasonable management for experiments and practices of science education were scanty in the high school around the urban and rural school owing to the shortage of facilities and equipments, crowded class, excessive class works for teacher, excessive contents of present textbooks and insufficiency of the administrative supports etc. The current teaching method of high school science has emphasized knowledge. This fact does not satisfy the objective of learning due to lack of the teaching method. Desirable directions for the improvement of present status of high school science education were proposed in this paper.
윤현중,이상화,박철홍 대한악안면성형재건외과학회 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.4
There are many causes of trismus. Aetiology can be roughly divided into muscle spasm, mechanical interference, extracapsular ankylosis, intracapsular ankylosis. Trismus caused by mechanical interference between postero-lateral wall of zygoma-maxillary complex and coronoid process following reduction of fractured facial bone is rare. Especially on maxillary bone fracture, when we faced the trismus following removal of intermaxillary fixation, we got used to solve that problem by physical exercise, We obtained good resurts by coronoidectomy on patients with limited mouth opening who were referred from department of plastic surgery, St. Marys' hospital, the Catholic university of Korea. We report our experience with literature review.
윤철현,황영우,전호근 동아대학교 건설기술연구소 1997 硏究報告 Vol.21 No.1
This paper has tried to get hold of spatial distribution of land value in Pusan and an influence of land value on the various kinds of urban functions. Conclusions by the research are as follows. First, points of peak land value in Pusan are Kwangbok-Dong and Bujeon-Dong, and Kwangbok-Dong is greater than Bujeon-Dong in the influential zone according to just spatial present condition of land value. Second, specialized functional agglomeration and regional differentiation functionally are explicit in the region of Kwangbok-Dong. Third, functions having great correlation with land value are high quality retail, food and entertainment, cultural, and service function. Finally, functions having interdependent relation with many other ones are official, food and entertainment, service, and cultural function.
지구단위계획구역의 공동주택 개발 유형 비교 : 만덕지구를 중심
윤철현,김주석,강지은 東亞大學校 建設技術硏究所 2006 硏究論文集 Vol.29 No.2
The District Unit Planning(DUP) system, which was introduced in the revised Urban Planning Law in 2000, is a policy instrument for specific planning in a special area in urban setting. The main purpose of this study is to find better DUP in Man-duk in Busan. Through comparing two plans ; One is planned low buildings in Man-duk, the other is planned high buildings in the same; in Man-duk. To compare these plans, the study suggested to consider the several criteria and landscape-simulations. By comparing two DUP in Man-duk, the second plan was better for residents than the frist. DUP system is concerned with improving the urban spatial quality, but we have recognised that DUP system has some problems. There are many various types in urban area which is needed DUP system. Finally, based on this study, urban areas need the flexible application of DUP for each type and is considered the correlations of area-specific and goal-specific features. 현행 지구 단위계획의 목적은 용도지역제의 의 문제점과 한계 를 극복하고 당해 지역 토지의 효율적 이용과 주민의 안정된 주거환경 도모는 물론 인접지역과 조화를 창출하자는데 있다. 지역이 지구단위계획에 의해서 개발되면, 토지의 입체적 이용, 지구 내 기능의 적정 배분, 도시설계 상 융통성 부여, 그리고 지구 간 조화의 도모 등에 있어 무리와 경직성이 최소화 될 수 있다. 이로부터 토지의 효율적 이용에 의한 난개발 방지, 경관보전, 그리고 지역전체의 안정된 공간구성의 극 대효과를 얻을 수 있다. 최근 들어 많은 지역에서 지구단위계획의 수립이 요구되고 있으며 그 대상과 범위는 상이하다. 그러나 지구단위계획의 운용실태를 살펴보면 차별적 계획목표의 부재와 천편 일률적인 계획요소의 적용으로 많은 문제점 이 나타나고 있다- 따라서 본 연구는 하나의 연구 사례대상 지역을 선정하고 이 지역에 어떤 형태의 주거단지가 개발되는 것이 지역 전체의 조화를 창출할 것인지 를 파악코자 한다. 또한 주어진 대상지의 내적 조건상 어떤 유형의 개발이 효율적 토지이용의 최선인가 를 밝히고자 한다. 이 과정상 바람직한 지구 단위계획의 방향도 모색될 것이다.
댐 건설전후 유역의 장기유출특성변화의 분석 : I.GIS를 이용한 NWS-PC 모형의 매개변수 추정
윤용남,유철상,안재현,양인태,고덕구 江原大學校 附設 環境硏究所 1998 環境硏究 Vol.15 No.-
본 연구에는 CIS를 이용하여 장기유출 해석 모형의 하나인 NWS-PC모형의 매개변수를 얼마나 적절히 추정할 수 있는가에 대해 알아보았다. 수치표고모형, 수치토양도 및 인공위성영상을 분석하여 얻은 토지이용도 등을 기본 자료로 이용하였고 소유역별 특성값을 GIS를 이용하여 추출하였다. 이러한 특성치들은 Amstrong(1978)에 의거하여 소유역별 모형의 매개변수를 추정하는데 직접이용된다. NWS-PC 모형의 경우 추정된 매개변수는 가능한 값의 범위로 주 This study is to see how effectively the NWS-PC model parameters can be estimated using GIS. Basic informations such as DEM(Digital Elevation Model) ,digital soil map, land use information from satellite image are provided and analyzed for estimating the sub-basin characteristics in GIS. These charcateristics are used to estimate the model parameters for each sub-basin. The model parameters estimated based on Amstrong(1978) are given as a possible range, which will be fixed through the calibration procedure. In this study, we used the1974 data for calibration and the 1979 event for verification. From the calibration procedure, we could find that the parameters related with infiltration and water tend to have the minimum value of the range and that the parameters related with exfiltration of water tend to have the maximum value of the range This result seem to reflect the hydrologic characteristics of Keum-river basin, which could be used to fix the model parameter without difficult calibration procedure. The simulation results show that the relative error of calculated discharge to observed discharge to be within approximately 10% . Therefore, the model with the parameters calibrated was considered to be adaptable for long-term runoff analysisf or Keum-river basin.
尹喆鉉 동아대학교 공과대학 부설 한국자원개발연구소 1993 硏究報告 Vol.17 No.2
Pusan has taken charge of central role for the national economic development in terms of urban geopolitical condition. However spatial sturdiness of the existing urban structure by the excessive urban growth of Pusan makes hard such the role. In order to overcome it, Municiple Authority has thought to establish the status of Pusan through western Pusan development. And the Authority has given an order some development projects. But we need to consider that western Pusan is developed each other with devided into serveral districts by those projects, will be desirable. Accordingly this paper has analysed the development projects under the idea like that. And then, the paper has regarded what development for western Pusan should be executed by the spatial context of the entire western region, as a basic precondition. Therein, this study has suggested policy planning to accomplish it.
광학 마이크로패턴의 광산란 Simulation에 관한 연구
윤철용,현동훈,유경선 한국공작기계학회 2009 한국공작기계학회 춘계학술대회논문집 Vol.2009 No.-
This paper has to gain visual effect as light scattering by various angle and phase using optical micro pattern for metal. Also applying to optical micro pattern for metal surface design by developing optical technology and ultra-precision machining technology.