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서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)
김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2
Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.
윤성일,남숭환,이봉하 공주영상정보대학 2002 논문집 Vol.9 No.-
OOP 언어인 Java, C++는 대표적인 객체지향 언어로서 널리 사용되고 있다. 이들 언어의 특징은 c1ass를 이용하며 다양한 cast방법에 의한 효율적인 프로그래밍 작성이 용이하다는 것을 볼 수 있다. 본 연구에서는 cast의 효율적인 설계방법과 작성기법들에 대하여 연구하였다. 클래스를 이용하여 모듈을 세분화 조립하는 경우 프로그램 성능향상에 현저히 드러난다. 또한 프로그램활용 목적에 따라 유용성, 이식성, 확장성 등을 고려하여 시스템을 디자인하는 것이 중요하다는 것이다. 쉬운 조작으로 많은 효과를 이를 수 있는 것이 COP언어의 특징이다. OOP 언어는 또한 컴파일 시간과 실행시간에 리턴하는 값이 다른 경우 프로그램에 치명적인 영향을 미치기 때문에 class를 이용한 casting 방법을 이용하는데 상당한 주의가 요구되는 것을 위의 예로 보았다. 이로서 향후 연구과제는 실행시간 리턴 값, 오브젝트 참조 값, 메모리의 효율적 사용방법을 위해 새로운 cast 연산자들인 const_cast, dynamic_cast, reinterpret_cast, static_cast의 효율적인 기능을 분석하는데 있다.
윤성일,남숭환 공주영상정보대학 2000 논문집 Vol.7 No.-
가장 많이 사용되는 객체지향언어 C++는 1980년대 초 Bell연구소에서 B. Stroustrup의 그룹에 의해 개발되었으며, C와 호환성이 있고 모든 기능들을 포함하며, 클래스 및 상속 둥의 객체지향 개념을 지원하고, C언어보다 포괄함수와 주소(reference)같은 고급기능을 지원하는 등 C++ 자료 추상화 개념과 확장성에 대하여 알아본다.
정신분열병 양성 및 음성증상과 혈소판 Monoamine Oxidase 활성도
윤성환,김영훈,진성태 大韓神經精神醫學會 1991 신경정신의학 Vol.30 No.1
The intention of this study to investigate the relationship between the activity of platelet MAO and positive and negative symptoms in the male chronic schizphrenics by DSM-III. The authors devided the male chronic schizophrenics into positive, mixed and negative subgroups by Andreasen & Olsen Criteria(1982), and also each patient was evaluated in relation with positive and negative symptom scales proposed by Lewin & Meltzer(1984). The authors assayed kinetic constants(Vmax and Km) for platelet MAO from 22 drug-free schizophrenics and 22 normal controls, radioenzymatically using 14C-benzylamine as a substrate. The results were as follows ; 1) Schizophrenic subjects had a lower mean Vmax Value(5.20±1.58 nmoles10(-6) platelets/hr) and Km value(38.92±19.28×10(-6)M) for poatelet MAO than normal controls(8.07±4.54, 49.56±18.48). Authough lower mean Vmax had a statistical significance, Km did not have. 2) In case of paranoid group(n = 6), there were no statistical differences in kinetic constants for platelet MAO compared with non-paranoid group(n = 16). 3) There were no significant differences in kinetic constants for platelet MAO between positive, mixed and negative symptom group. 4) The difference between kinetic constants for platelet MAO and positive symptom scale and negative symptom scale were not significant statistically. 5) Each scale item in the negative symptoms was not significantly different from platelet MAO activity. Finally, we confirmed that activity of platelet MAO was lowered in chronic schizophrenics, but we did not find any possible relationship between the negative symptom of schizophrenia and kinetic constants for platelet MAO.
남중 육상경기 선수의 Foot Ratio와 체력과의 상관
윤길환,서국웅,이훈식,정미라,윤양진,박승범 釜山大學校 附設 體育科學硏究所 1999 體育科學硏究所 論文集 Vol.15 No.-
Foot ratio and physical fitness were measured and multiple-compared in the level of P<.05 on the subject of 28 prize winners from Men's part of middle school in the field and track events of the "P" youth athletic tournament in 1998 and 7 general students adopted by random sampling. These are conclusions from the result of relative analysis of foot length measured by X-ray, Medial longitudinal arch's height, foot ratio and physical fitness in the level of P<.05. 1. No significance was discovered in FR but throwing group is better than medium and long distance group. 2. Flexibility and endurance have meaning in physical fitness. The short distance group has better flexibility than the medium and long, throwing and general one. And medium and long distance/ throwing group have better endurance than general one. 3. FR and physical fitness show a negative correlation in the muscular strength of throwing group.
정보 네트워크기술의 발달에 의한 경영시스템의 정보화 변천
윤상환 경주대학교 2001 論文集 Vol.14 No.-
This paper deals with vicissitudes of information oriented management systems applied to functional sides of management systems in industry by high progress of information network technology, that is management innovation. The progress of Information network technology entirely depends on electronic communication, microelectronics, and electronics control. We describe the influence of information oriented systems on the functional sides in management systems and its changes. By information oriented management innovation mentioned above, establishment of timely synchronization regard as the four flows such as the material(good), information, time and energy which flow the functional activity processes, is discussed.
尹伊鏞,朴相來,李東澈,金基台,崔銀珠,安由煥 嶺南大 海洋科學硏究所 1988 Marine Nature Vol.1 No.1
In order to observe hydrological characteristics in the Gulf of Yoeng-il, measurements of water temperature have been carried out from February to August 1983, and from August 1985 to December 1986. Surface water temperatures are closely linked to air temperature and solar-radiation for all littoral stations. Seasonal and annual variations of all horizontal stations are very similar to one another. Vertical variations of water temperatures for the stations located along the central-line of the Gulf are characteristic (and observed) as thermoclines and thermal stratification in the hottest summer-time (August). It is interesting to note that water column temperature of July and September are rather warmer than August, on account of a cold water mass coming from NE direction. For example, surface temperature in June 1982 was above 19℃, but the water below a depth of about 30m drastically drops to 4℃. It is indicative of invasion of water mass from cold current or deep sea.