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김명철,이수진,이재일,박창식,전무형,김덕환,임승평 충남대학교 형질전환복제돼지연구센터 2004 논문집 Vol. No.8
A 5 year old, 13kg, Jindo dogs was presented with clinical signs of anorexia, weakness and exercise intolerance, and diagnosed as dirofilariasis by hematology, blood chemistry and ultrasonography. In hematology and blood chemistry, the presence of microfilariae in the blood. anemia, leukocytosis, hemoglobinuria and jaundice were revealed. In ultrasonography, heartworms were found in the right ventricle artery and pulmonary artery as structures of hyperechoic dots or streaks. Because of the dog's poor physical status, the owner requested euthanasia. In autopsy, fifty odd of heartworms were ascertained in the right ventricle and pulmonary artery. Tricuspid valve in the orifice of right ventricle and right atrium, and chordae tendineae were deliquesced.
임상교정 교육용 멀티미디어 데이터베이스 웹서버 구축에 관한 연구
박재우,이종기,장영일,남동석,김명기,양원식,김태우,백승학 대한치과교정학회 2000 대한치과교정학회지 Vol.30 No.2
본 연구는 인터넷상의 가상공간에 다양한 자료로 구성된 환자 증례를 통해, 교정을 배우고자 하는 임상의나 학생들의 교육에 필요한 멀티미디어 데이터베이스를 구축하기 위한 것이다. 이러한 시스템을 구현하기 위해서는 이미지 자료의 처리, computer network를 통한 빠른 정보처리 기능, 진단 분석법의 개발, 데이터베이스의 구축 기술, 데이터베이스와 인터넷과의 연계, 증례를 통한 교육방법론과 같은 기술적 문제점들이 있다. 진단과 치료계획을 위한 분석은 모델 분석과 두부방사선 사진분석으로 나누어 제공하였다. 모델분석법은 arch length discrepancy와 Bolton tooth ratio를 환자 정보란에 제공하였다. 두부방사선 사진분석은 초진란에 제공하였다. Cephalometric analysis ver 2.0과 Power Ceph pro 3.3.5를 이용하여 Tweed, Steiner, Jarabak분석법 등을 제공하였으나, 본문에서는 주로 Kim's analysis와 몇 가지 계측치를 추가하여 설명하였고, 나머지는 tracing란에서 제시하였다. 또한 치료 종료 후나 보정란에서 치료 전, 후의 두부방사선 사진을 중첩해서 보여줌으로써 치료에 의한 효과를 직접 볼 수 있도록 하였다. The Objective of this research was to construct the multimedia database system that was necessary for the education of the practitioners and the students. To establish this system, there were technical problems as follows : 1) The processing of the images, 2) The rapid processing of the information with the computer network, 3) The development of diagnosis tools, 4) The technique to establish the database system, 5) The link between the database system and the internet, and 6) The method to educate through many cases. The analysis for diagnosis and treatment planning were provided as two parts : model analysis and cephalometric analysis. As a model analysis, arch length discrepancy and Bolton tooth ratio were provided for the part of patient information. Cephalometric analyses were provided in the part of initial diagnosis. The Cephalometric analysis ver 2.0 and the PowerCeph pro 3.3.5 were used to show Tweed, Steiner and Jarabak analysis. In the main part, Kim's analysis and some measurements were added. In the post-treatment or retention part, we show the superimposition of the cephalometrics with which you can find the effectiveness of the various orthodontic treatment. The address of this home page is "http://damis.snu.ac.kr/orthodontics"
과재하중 재하에 따른 역 T형 옹벽의 활동거동에 관한 수치해석
유남재,이명욱,박병수,이승주 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.B
This paper is experimental and numerical research about the sliding behavior of cantilever retaining walls resisting surcharge loads. In experimental research, centrifuge model tests at the 1g and 40g-level were performed by changing the location of model footing and its width. Bearing capacity of model footing and characteristics of load-settlement and load-lateral displacement of retaining wall were investigated. Test results of bearing capacity were compared with modified jarquio method, based on the limit equilibrium method with elasticity theory. For the numerical analysis, the commericially available program of FLAC was used by implementing the hyperbolic constitutive relationships to compare with test result about load-settlement and load-displacement of retaining wall, bearing capacity of strip footing.
정추력을 위한 양측 다분할 여자형 LDM의 고정자 구조 설계
맹인재,백수현,김용,윤신용,이승명 동국대학교 산업기술연구원 2000 산업기술논문집 Vol.11 No.1
본 논문에서는 양측식 가동자석형 LDM을 대상으로, 고정자 권선을 단일 권선으로 성층할 경우 철심의 중앙부분에서 자기포화로 인해 정추력 발생이 어렵다는 단점을 보완하기 위해 고정자 철심을 분할 권선한 다분할 여자형 LDM의 설계방법을 제안한다. 이를 위해 자극과 코일 사이에 작용하는 힘(F)을 수직력(F_y)과 수평력(F_x)으로 나누어 해석하였으며, 영구자석 폭 대 여자권선 폭비를 추력의 왜형 및 리플이 최소화되도록 가변하여 유한요소해석 소프트웨어인 Maxwell-2D를 이용하여 해석하였다. 이러한 결과에 대한 타당성은 양측 다분할 여자형 LDM을 설계 제작함으로써 입증하였다. This paper was designed and analyzed the characteristics of linear DC motor(LDM) that be suitable to long stroke type. But, according to the magnetic saturation in the center core of the excitation coil of the stator, the control of LDM to get the constant thrust force of difficult because of the non-linearity of the inductance and the reluctance by the position of the slider. In this paper, by designing the width of the stator coil, double sided excitation LDM with multi-separated winding which is possible to obtain the constant thrust force is proposed. Using Maxwell 2D, which is the magnetic field analysis package, and proved the validity of design process, also the characteristics of LDM according to the variation of the design parameters of LDM was almost in accord with the experiment result.
알코올의 섭취가 흰쥐의 혈액과 간의 지질대사에 미치는 영향
이명숙,김영연,김효숙,김매하,전진순,서진숙,송선미,양영재,윤원손,이미라,이효영,정승현 誠信女子大學校 生活文化硏究所 2004 生活文化硏究 Vol.18 No.-
To investigate the effects of ethanol on the lipid metabolism in blood and liver, twenty one male Sprague Dawley rats had orally taken the 25% alcohol and 50% alcohol by 5g per Kg of weight during 3 weeks after the adjusting period. For the energy balance, 85% sucrose and 45% sucrose was added in control group and 25% alcohol group each. The weight was reduced by alcohol treatment according to the levels, otherwise the weight of liver and heart was little increased in alcohol groups rather than in control without significance. Moreover, RBC, WBC, hemoglobin and hematocrit were increased by alcohol treatment according to the levels without significance. Otherwise, adjusted bilirubin levels by 100g of weight was significantly increased by alcohol treatment dose dependently. Alcohol induced RBC degradation and increased circulated bilirubin because of liver damage. For blood lipid profiles, blood cholesterol was increased in 50% of alcohol group compared to that of 25% and control groups, otherwise, blood triglycerides (TG) was increased by 30% in 25% alcohol groups rather than in control but not significantly different. The hepatic lipid composition, cholesterol levels in alcohol treatment groups was lower than those in control. The hepatic TG was not influenced by alcohol treatment. The two reasons of decreasing hepatic lipids were suggested by 85% sucrose of control for energy balance more synthesized cholesterol and TG than those in 25 or 50% alcohol groups, and by cholesterol and TG could not be synthesized because of liver damage from alcohol.