C형 간염바이러스항체 검출을 위한3세대 효소면역측정 시약의 비교

이장혁,서순팔,기승정,송정원,신명근,신종희,양동욱,김세종 대한임상병리학회 1997 대한임상병리학회지 Vol.17 No.4

舊韓末 嶺南儒林의 開化敎育觀 硏究

이동기 한국교육철학회 1997 교육철학 Vol.15 No.-

In the final term of Old Korea, that is, from late in the 19th century to early 20th century, Chosun was in the midst of a great social upheaval. To copy with the internal contradictions and the external challenge from the West, the intellectuals of Chosun had tried every means possible. On the one hand, some had trid to keep the traditional Confucian ideology and social system, on the other hand, others had tried to accept the western new knowledgy and technology. This contradictory movement had formed the dual structure of "resistane and acceptance". This dual structure had developed into right-defending and the wrong-expelling, and into the enlightenment movement. The Confucian scholars of Yeungnam District could be classified into two groups; one group was composed of the conservative scholars whose way for overcoming the national crisis was to renew and reconstruct the traditional Confucian ideology and expel the westen ideology and culture, the other group was composed of the progressive scholars whose way for getting over the national crisis was to accept the western new technology positively. The leading scholar of the latter group was Ryu In-sik whose pen-name was Dong-san. Dong-san maintained that the traditional-out of date-ideology should be rooted up Confucianism and the western new technology should be accepted as the basic theory of the national enlightenment and development. To realize these aims, Dong-san emphasized the need of new education and founded the Cooperative School for accepting the western new knowledge and technoloy. To sum up, the above-mentioned dual structure of "resistance and acceptance" had become the basic principle of coping with the national crsis and become the blasting fuse of the independence movement and the resistance movement aganinst Japan.

한국 정신장애의 역학 조사 연구[I] : 각 정신장애의 유병률

조맹제,함봉진,김장규,박강규,정은기,서동우,김선욱,조성진,이준영,홍진표,최용성,박종익,이동우,이기철,배재남,신정호,정인원,박종한,배안,이충경 大韓神經精神醫學會 2004 신경정신의학 Vol.43 No.4

Objectives : This study aims to estimate the prevalence of the DSM-IV psychiatric disorders in Korean population using the Korean version of Composite International Diagnostic Interview (K-CIDI). Methods : Subjects were selected by taking multi-stage, cluster samples of 7,867 adult household residents, 18 to 64 years of age, in ten catchment areas. Total 78 trained interviewers administered the K-CIDI to the selected respondents, from June 1 to November30,2001. Results : Total 6,275 respondents completed the interview. Some 33.5% of respondents reported at least one lifetime disorder, 20.6% reported at least one-year disorder, and 16.7% reported at least one-month disorder. The most common lifetime disorders were alcohol abuse/dependence (17.24%), nicotine dependence/withdrawal (11.19%), specific phobia (5.16%), and major de-pressive disorder (4.25%). The lifetime prevalence of substance abuse/dependence (0.25%) and schizophrenia (0.16%) was very low. Nicotine and alcohol use disorder showed very high male/female ratio. Mood disorder and anxiety disorder were more prevalent among female than male. Conclusion : The prevalence of psychiatric disorders was high. In comparison with other studies, remarkable differences in distributions of psychiatric disorders across the areas and times were observed.

齒科用 Ag-Pd-Cu 3元合金 및 Au添加合金의 時效硬化特性

이기대,곽동주 대구보건대학 1999 대구보건대학 論文集 Vol.19 No.-

The Ag-Pd-Cu alloys containing a small amount of Au is commonly used for dental purposes, because this alloy is cheaper than Au-base alloys for clinical use. However, the most important characteristic of this alloy is age-hardenability, which is not exhibited by other Ag-base dental alloys. The specimens used were Ag-Pd-Cu ternary alloys and Au addition alloy. These alloys were melted and casted by induction electric furnace and centrifugal casting machine in Ar atmosphere. These specimens were solution treated for 2hr at 800% and were then quenched into iced water, and aged at 350~550℃. Age-hardening characteristics of the small Au-containing Ag-Pd-Cu dental alloys were investigated by means of metallurgical microstructures, X-ray diffraction and electron microscope observations, energy dispersed spectra and electron probe microanalysis. Principal results are as follows : The case of hardening in stage Ⅰ was due to the formation of the L1o type face-centered tetragonal PdCu-ordered phase in the grain interior and hardening in stage I was affected by the Cu concentration. In stage Ⅱ, decomposition of the αsolid solution to a PdCu ordered phase(L1o type) and an Ag-rich α₂ phase occurred and a discontinuous precipitation occurred at the grain boundary. From the electron microscope study, it was concluded that the cause of age-hardening in this alloy is the precipitation of the PdCu ordered phase, which has AuCu Ⅰ type face-centered tetragonal structure. Precipitation procedure was α→α+α₂+PdCu→α₁+α₂+PdCu at Pd/Cu =1. Ag-Pd-Cu alloy is more effective dental alloy as ageing treatment and is suitable to isothermal ageing at 450℃.

신발산업용 모바일 포탈 서비스 구현

이양민,이병문,임장수,김창민,강동우,심현숙,이재기 동아대학교 정보기술연구소 2003 情報技術硏究所論文誌 Vol.11 No.1

Cases that apply mobile technology in own company's business processing in various industry area are increasing. In this paper, we propose a Mobile Portal constructin method accepting that flowing these age. Analyze instance that is applying mobile service in another industry to achieve Mobile Portal service and we chose core technology with this result. As focus of research, we implemented interaction interface between web page and database, conversion skill between wire and wireless contents, communicatin method between web page and contents conversion server, and application technology on Mobile service target Business and implemented Mobile service that applicable.

非特異性 PHOSPHATASE에 關한 硏究 : 사람 胎盤 Alkaline Phosphatase의 燐蛋白 燐酸水解活性에 關하여

李民化,安鳳煥,李起榮,曺仲東 全南大醫大 1980 전남의대학술지 Vol.17 No.2

적응성이 있는 기계학습 시스템 ARM의 설계와 구현

李基哲,金東玩 弘益大學校 科學技術硏究所 1992 科學技術硏究論文集 Vol.2 No.-

The main focus in the area of machine learning is largely on the construction of a program which builds up or improves knowledge through the data collected. Adaptive characteristic may be required for any machine learning paradigm to be useful in the abundance of real world data because any useful data may affect the knowledge but we cannot apply it at once if the system at hand is not suitable for incremental adaption. This paper presents a novel ARM machine learning system with which we can incrementally update rules as some data arrive. Experimental comparison between incremental and non-incremental uses of the system shows a positive result. With user interface and uncertain data processing scheme added, this system may be extended to real world application for expert system rule acquisitions from sample data.

동적스위칭평면을 포함한 출력궤환 가변구조제어계의 강인성설계

李起常,金東涉 단국대학교 1993 論文集 Vol.27 No.-

The output feedback variable structure control system(OFVSCS) proposed to remove the assumption of full state availability that is the most important restrictions to the practical application of state feedback VSCS is dealt with and two new propositions are presented. Firstly, an output feedback switching control input for the OFVSCS with dynamic switching surfaces is suggested. Secondly, a robust OFVSCS(ROFVSCS) is proposed. The ROFVSCS is composed of dynamic switching surfaces and output feedback switching control inputs that are constructed by the use of the unknown vector modeling technique. With the proposed scheme, existence of sliding mode is guaranteed and any effects of disturbances and/or process parameter variations can be suppressed as far as well-known matching condition is satisfied. Due to the fact that the ROFVSCS is driven by small number of measured outputs, it makes the practical application of VSCS for the systems with unmeasurable states and for high order systems that conventional schemes can not be applied possible. It is noticeable that the ROFVSCS can be constructed so as to have shorter reaching phase than that of the conventional VSCS and that the implementation cost of VSCS can be considerably reduced without deterioration of control performance by adopting ROFVSCS since there is no need to measure the states with high measurement cost in the scheme.

이산 vortex에 의하여 simulate된 vortex shedding과 유동 가속으로 인하여 원주에 작용되는 양력과 항력 계산식

이동기 울산대학교 1992 공학연구논문집 Vol.23 No.2

원주에서의 vortex 유출에 대한 이산화 vortex 해석을 할 때 사용할 수 있도록 원주에 작용되는 양력과 항력 계산식을 유도하였다. 이 식들은 유출된 vortex에 관련된 인수들로 나타내졌으며 확장된 Blasius 정리를 조작하여 구하여졌다. 원주 중심에 vortex가 있다고 보는가 없다고 보는가의 두가지 가능한 Image system을 동시에 다루었다. 어느 경우건 현재까지 주목되지 않은 초생 vortex성장율을 포함하는 새로운 향이 이 계산색에 나타남을 보였다. Formulas to calculate drag and lift exerted to a circular cylinder are derived for use in connection with the discrete vortex analysis of vortex shedding from the cylinder. The formulas are expressed in terms of the parameters concerned with the vortices and are obtained by manipulating the extended Blasius theorem. Two possibilities of the image system for a vortex outside the cylinder are covered simultaneously, the difference between these being whether the image system possesses a vortex at the center of the cylinder or not. In either case, the formulas are shown to have a new term containing the growth rates of the so-called nasecnt vortices which has not been noticed so far.

대장암에서의 nm23과 CD44 단백질 발현에 대한 면역조직학적 분석

신동일,이기형,윤충,이주희 대한대장항문학회 1997 Annals of Coloproctolgy Vol.13 No.1