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정미경,백정미,이정열,허용수,김창규,김종배,Chung, M.K.,Paik, J.M.,Lee, J.L.,Heo, Y.S.,Kim, C.K.,Kim, J.B. 대한생식의학회 1994 Clinical and Experimental Reproductive Medicine Vol.21 No.1
These studies were carried out to investigate the properties of H-Y antigen purified by immunoaffinity chromatography using monoclonal H-Y antibody. Immunoaffinity column was prepared by the coupling of monoclonal antibody to the Aminolink Coupling Gel. Murine testis supernatant was applied onto the column and eluted by O.lM glycine-HCl buffer and 31${\mu}g$ of H-Y Ag was eluted from one testis. Purified H-Y Ag strongly reacted with Con A and lentil from 6 different kinds of lectins tested, which may indicate that sugar moiety of H-Y Ag is composed of glucose, mannose and their derivatives. Con A-sepharose affinity column was used to purified H-Y Ag based on that H-Y Ag is glycoprotein. The fraction eluted by 0.2M Me-${\alpha}$-D-mannoside from the column loaded with murine testis supernatant was identified to be H-Y Ag by dot blot test. Molecular weight of the purified H-Y Ag was estimated by Sepharose G-75 gel filtration and SDS-PAGE, and showing that it was about 67,000 dalton. In fluorescence test, the ratio of XY embryos and XX embryos was 1:1.
뉴스 비디오 검색을 위한 자동 인덱스 모델의 설계 및 구현
이종구(J. G. Lee),양명섭(M. S. Yang),이정열(J. Y. Lee),정찬근(C. G. Jeong),장옥배(O. B. Chang) 한국정보과학회 1997 한국정보과학회 학술발표논문집 Vol.24 No.1B
현재 뉴스 비디오 (news video) 검색에 사용하는 순차적인 방법은 많은 시간을 소비한다는 문제점을 가지고 있다. 본 논문에서는 이러한 문제점을 해결하기 위해서 뉴스 비디오를 내용(뉴스 사건) 단위별로 검색 할 수 있는 인덱스 모델을 제시한다. 인덱스 모델은 뉴스 비디오 내용에 대한 대표 영상(뉴스 아이콘)과 부가적인 정보를 포함하는 뉴스 자막을 중심으로 하여 구성한다. 인덱싱된 정보를 브라우저에게 제공하여 사용자가 원하는 뉴스를 빠르게 검색할 수 있도록 도와준다.
서영성(Y.S.Suh),이정열(J.Y.Lee),강보식(B.S.Kang),김종원(J.W.Kim),이종문(J.M.Lee),안병직(B.J.Ahn) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.6_2
The virtual manufacturing technique was applied to a forming of the the vibration damping oil pan. Experiments necessary for the computation such as the tensile test and the formability test were also performed. It was shown that the forming of an oil pan can be improved by controlling process parameters virtually inside the computer before the actual die tryout is performed. From the virtual die tryout, it was suggested that the two-step forming process of the oil pan may be reduced to a single step.<br/>
서영성(Y. S. Suh),이정열(J. Y. Lee),김용환(Y. H. Kim),김선우(S. W. Kim) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.6_1
Virtual manufacturing applications to the structural analysis of the sheet-forming parts were carried out. The structural analysis were performed consecutively after the forming simulation. The crashworthiness analysis of an S-rail and the stress analysis of a motor housing were taken as model problems. In both cases, taking account of formed effect such as sheet thickness and residual stresses led to some different results which may not be negligible.
박판성형해석에서 동적양해법의 수치적 안정성에 관한 연구
김명곤(M.G.KIM),김용환(Y.H.Kim),서영성(Y.S.SUH),이정열(J.Y.LEE) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.6_2
Numerical efficiency and accuracy of the explicit method in sheet forming analysis was investigated by ABAQUS/Explicit. Effect of punch speed scaling on the accuracy of the simulation was studied and an energy criterion are proposed to evaluate dynamic effect in punch speed scaling. Three kinds of forming processes - hemispherical punch stretching, square cup deep drawing, and deep drawing of an oil pan - were analyzed. The results were compared with those from implicit method or experimental measurements. The result suggests that there is a range of allowable punch speed satisfying both the computational cost and the accuracy of the solution. Proper punch speed for each forming process are proposed.<br/>
허선철(S. C. Huh),전영흥(Y. H. Jun),정한식(H. S. Chung),정효민(H. M. Chung),심규진(K. J. Shim),이정열(J. Y. Lee) 한국동력기계공학회 2004 한국동력기계공학회 학술대회 논문집 Vol.- No.-
The refrigerator cylinder block be made of cast material. But, It is necessary to use engineering plastic material instead of cast material in compressor cylinder block manufacture in order to light weight and reduction of manufacture cast. In this study, I would like to offer basic design data of plastic material alteration on the basic of structure analysis of current product using CATIA Ver.5.9
김승식(S.S. Kim),양명섭(M.S. Yang),이정열(J.Y. Lee),유철중(C.J Yoo),장옥배(O.B. Chang) 한국정보과학회 1997 한국정보과학회 학술발표논문집 Vol.24 No.2Ⅱ
비디오 영상은 샷들의 집합을 선형 배열 방식으로 표현한다. 선형 배열 방식의 표현은 사용자가 브라우징을 하는 동안 전체 비디오의 내용을 보여줄 수 있다. 그러나, 일반적인 프로그램은 수많은 샷들이 존재한다. 이러한 경우 일차원 이미지 배열에서 샷들의 표현은 특별한 비디오 세그먼트를 브라우즈, 항해, 검색하는데 있어 효과적이고 효율적인 방법을 사용자에게 제공하지 못한다. 따라서 본 논문에서는 비디오에서 장면 변화를 추출하고, 추출된 장면 변화를 기반으로 하여 연관된 정보를 클러스터화하여 사용자에게 원하는 샷을 쉽게 볼 수 있도록 하는 브라우저를 설계 및 구현한다.
이정열,김성준,이종태,문덕환,이채언,배기택 인제대학교 1990 仁濟醫學 Vol.11 No.4
저자들은 부산지역 신발 제조업 산업장 중 26개소를 선정하여 인쇄, 접착, 세정의 3개 부서를 대상으로 가스크로마토 그래프 분석 방법과 검지관 방식을 이용하여 7개 유기용제(Toluene, Benzene, Xylene, N-Hexane, C-Hexane, Methyl Ethyl Ketone, Methyl Isobuthyl Ketone)의 기중 농도를 산정하였다. In order to prepare the fundamental data for the improvement of working envirommnents and to contribute the health improvement of workers in shoes manufacturing industries, the authors measured the concentration of organic solvents(Toluene, Benzene, Xylene, N-Hexane, C-Hexane, MEK, MIBK) in the department of printing, adhesion, washing of the 26 shoes manufacturing industries in Pusan area from Sep. 1989 to Mar. 1990. The results were as follows; 1.The mean concentrations of all organic solvents did not exceed the threshold limit value, but the value of Tn/Cn for additive effects of organic solvents mixtures was 1.45. 2.The mean concentrations of organic solvents except Xylene were the highest in department of adhesion. 3.The concentration of Toluene, Benzene and N-Hexane has significant relationship between gaschromatographic analysis and detector tube method.