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김재홍,윤기범,박평원,김영진,전경민,김영태,김중환,곽호,구상완,송민석,유옥,지혜구,김동원,문상은,박영립,정승호,성범진,성순제,엄주용,황정열,이기홍,이주협,전태진 대한화학요법학회 1994 대한화학요법학회지 Vol.12 No.1
The prevalence of PPNG among pretreated gonorrhea cases isolated at the STD clinic of Choong-Ku Public Health Center in Seoul has been studied and reported annually since 1981. In 1991, 123 strains of N.gonorrhoeae were isolated, among which 58(47.1%) were PPNG. In 1992, 98 starains of N.gonorrhoeae were isolated, among which 51(52.0%) were PPNG. In all, 109(49.3%) strains were found to be PPNG among 221 strains isolated between 1991-1992. The prevalence of PPNG in Seoul showed increased tendency till 1989, thereafter, it has been stationary or slightly decreasing.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
홍승대,신경주 漢陽大學校 韓國生活科學硏究所 2003 韓國 生活 科學 硏究 Vol.- No.21
In Interior design, light is the most important factor in deciding color, texture and illumination level which are the basic factors of spatial design. To apply computer graphic technologies on prediction of illuminating effect, it is important to understand and analyse the basic properties of the illumination models that are local illumination model and global illumination model. The illumination models in computer graphics express the factors which determine the surface color, texture and light distribution through the reflection. The purpose of this study is to propose the best way of shading algorithm in interior space provided by the computer, based on the experimental analysis that 5 shading methods are applied to the interior space. The results of this study were as followed. 1) Local illumination models that are lambert shading, Ground shading and phong shading are not suitable to the prediction of interior illumination effect. 2) Raytracing that is global illumination model could be adopted to interior illumination effects. Ray tracing is a very versatile algorithm because of the large range of lighting effects it can model. 3) Neither radiality nor ray tracing offers a complete solution for simulating all interior illumination effects. 4) Radiality excels at rendering diffuse-to-diffuse inter-reflections and ray tracing excels at rendering specular reflections. By merging both shading techniques, that offers the best of both. Using computer technologies to simulate lighting in preliminary design stage which will provide information for designers and occupants to determine the effect of using artificial light sources at each stage of their design process. Further study in illumination analysis, prediction of illumination effect, and lighting calculation is required as computer media expands. Professor of Ansan College of Technology, Dept. of Interior Design Professor of Hanyang University, Dept. of Interior Design
유한 요소법에 의한 절편 회전자를 가진 자기저항전동기의 특성 해석
주수원,한성진,홍정표 東亞大學校 附設 情報通信硏究所 1997 情報通信硏究所論文誌 Vol.5 No.1
This paper deals with improving the characteristics of the reluctance motor with the segmental rotor. These improvements result from incorporating a shallow axial channel in the centre of the air gap face of each segment, filling of this channel with conducting material and shaping of the ends of the segment. To know the characteristics of the distribution of flux, the f.e.m. is applied on the direct-axis so that the ratio of the direct-axis and the quadrature-axis in the test machine is larger than in the conventional machine. The torque has the maximum value at the load angle of 45°as generally is expected.
홍상은,이병수,조충호,이상정,주경수,안종근,황순기 순천향대학교 1994 논문집 Vol.17 No.1
It has been rapidly given to the importance of the embodiment of the efficient computer systems in university education. Since the recent trend of the adoption of the openess policy in university education systems significantly affects on the realization of the embodiment of the efficient computer systems which is very essential to promote the international competition in many areas of university education. So it is greatly needed that our Soonchunhyang university must have the following principles for the embodiment of the efficient computer systems. (1) It is required that the appropriate computer education and the good quality of research environment must be given. (2) The establishment of the synthetic computer network system for efficient the university administrations is needed. (3) It is needed to establish the computer system for the consideration of the future performance. (4) It is also needed to improve the organization and the administration systems of the university computer center. (5) It is required on the establishment of the local area network(LAN) systems in the Soonchunhyang university, and the LAN must be connected to other outer national and international computer systems. And we propose the following requirement for the establishment of the convienent computer systems in our university and we have been greatly though about the significant change of the environment in university computer system. [1] The subject of the basic computer must become as the required subject for the all students in the curriulum. [2] The new computer systems both in hardware and software must be introduced. [3] It is needed to the change of the present name of the university computer center into the university information and computer center. And its organizations must be furthur developed [4] The training center for the university emploee is also needed. [5] The establishment of the database systems for the automtion of the university administation is needed. [6] It is strongly required on the establishment of the local area network system in the Soonchunhang university to connect the Bitnet and the Internet through the Hankook communication. [7] The computerization for the central library is needed. The indepent local area network system for the library is also needed to establish the own database system. Finally we hope that the LAN will be connected to the national wide library computer system.
홍창우,김태경,김경진,김성환,김남윤,심도식,이정호,윤청호,백민경,원치문,박제선,이주형,정경일 강원대학교 석재복합신소재제품연구센터 1996 석재연 논문집 Vol.1 No.-
콘크리트 구조물이 대형화됨에 따라 설계단면이 증대되어 상대적으로 많은 경제적 손실을 부담하게 된다. 따라서 단면을 감소시키면서도 소요의 하중에 안전한 구조물을 건설하기 위해서는 우선적으로 구조물 건설에 기초가 되는 고품질, 고내구성의 고강도 콘크리트 개발이 절실히 요구된다 본 연구에서는 일정 시멘트비 및 혼화재 비율하에서 소요의 워커빌리티가 확보되는 고강도 콘크리트를 시간과 온도의 변화에 따라 증기 양생하여, 압축, 인장, 휨강도 뿐만 아니라 파괴특성을 실험적으로 연구하였다. 시료 제작시 시멘트 입자 사이의 공극 및 불연속 영역을 충전하여 고밀도화하기 위한 콘크리트용 혼화재로 시멘트 비표면적이 상당히 작은 초미립 분말인 실리카흄을 이용하였다. 또한 AE감수제 및 고성능 유동화제를 사용하여 혼화재의 첨가에 의하여 발생될 수 있는 워커빌리티의 감소를 방지하였다. 실험결과에 의하면 일정 양생 지속 시간하에서 온도의 증가에 따라 콘크리트의 압축, 인장 및 휨강도가 전반적으로 증가하였다. 동일하게 일정 온도하에서 양생 지속시간이 커짐에 따라 강도들이 증가됨을 알 수 있었다. 따라서 상대적으로 높은 온도와 긴 지속 양생 조건하에서 파괴에 대한 저항력이 크게 나타났다. The compressible, tensible, and flexibleresistance of the high strength concrete is analyzed by the experimentation in the present study. For the test, we cure several samples with the silica fume as a mixture being become dense the spaces between the particle of cement under the variation of both the temperature and the curing-interval. Then, the superplasticizer and the ezcon are also used to satisfy the required workability for construction. The compressible, tensible, and flexible resistances to a stress are increased as increasing the temperature and the time interval for the curing. Therefore it is concluded that the overal fractural and mechanical properties is improved by mixing the silica fume into the cement.
성인 남성이 선호하는 외투 디자인과 색채에 관한 연구 : 20ㆍ30대를 중심으로
홍성주,김보연,류숙희 계명대학교 생활과학연구소 2001 科學論集 Vol.27 No.-
The purpose of this study is to investigate that men in their 20's and 30's prefer what kind of styles and colors in overcoats. To achieve this purpose, this study was carried out by suggesting the overcoats of 7 styles and 24 colors to 546 men in their 20's and 30's. We analyzed and compared their preferred styles and colors in overcoats, by examining the individual factors such as age, marriage status, personality and education. This study shows the following results. Men in both their 20's and 30's liked the classic styles like style B and neutral colors most. The extroversive and single men in their 20's preferred the casual and polished styles in contrast to others. On the other hand, the introversive and married men in their 30's preferred the classic and formal styles. Skin color has nothing to do with preference of styles.