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崔錫祚 圓光大學校大學院 1983 學位 論叢 Vol.1 No.-
When we examine into the structure of a group through t he action and the Orbit of the group G, we find that : in general, in the group G. the re does not always exist a subgroup with the rank r for the r in r │G│, but if the G is a finite cyclic group, there exists only one subgroup and when the G is a finite group and p an arbitrary prime, if p^(k)││G│, P^(k+1) ┤│G│, then in the G there exists at least one subgroup with the rank p^(K). Accordingly this thesis aims to prove some of the structural properties of the finite p-group by means of sylow Theorem, The fundamental theorem of the finite group.
최석조(SJ Choi),이보옥(BO Lee),정창균(CK Chung),김현열(HY Kim),이섭(S Lee) 대한산부인과학회 1991 Obstetrics & Gynecology Science Vol.34 No.2
Fetus papyraceus in multiple pregnancy is a rare complication. If one fetus of multiple end of the pregnancy, compressed between the uterine wall and the membrane of the living child, become a fetus papyraceus. Recently, we had experienced a case of fetus papyraceus in single ovum twin pregnancy at the Department of Obstetrics and Gynecology, Seoul Adventist Hospital, and present this case with brief review of literatures.
한원희,박용해,최석조,정은주,양거승,배영규 대한산부인과학회 1990 Obstetrics & Gynecology Science Vol.33 No.10
저자들은 본원 산부인과 외래를 통하여 원발성무월경, 단구증, 성적소아증을 주소로 내원한, 약물투여 경험이 없는 Turner씨증후군 45,XP핵형 1례와 mosaicism(45,X/46,X,i(Xq))1례를 경험하여 이를 간단한 문헌고찰과 함께 보고하는 바이다. The term Turners syndrome refer to those intences of gonadal dysgenesis associated with somatic anomalies such as sexual infantilism, secondary to failure of ovarian development, short stature, webbing of the neck, cubitus valgus and others. The external genitalias are female and the uterus and the tubes are normal, although often rather small. The authers have recently experienced such these patients as gonadal dysgensesis with primary amenorrhea, sexual infantilism and whort stature than their chrocological age, and we report these cases with brief review of literatures.
김지훈(J.H. Kim),박정민(J.M. Park),최연옥(Y.O. Choi),최석조(S.J. Choi),조금배(G.B. Cho),백형래(H.R. Baek) 전력전자학회 2006 전력전자학술대회 논문집 Vol.- No.-
BIPV(Building Integrated PV) system can expect dual effects that reduce expenses for establishment of PV system by adding new function as outer covering material of building expect producing the electricity. But, there are many generation differences according to the exterior environmental facts(solar cell array, design and installation condition of interactive inverter system) Therefore, it is difficult to optimum design. Consequently in advance design system, we experiment 3㎾ BIPV(Building Integrated PV) generation. We concrete PV system efficient application of variable. BIPV system that is proposed in this paper, was established in Solar Energy research center of Chosun University, composed with system. This research is a basic study for application of building integrated photovoltaic system for building.
변문걸(W.J. Bian),박정국(Z.G. Piao),최석조(S.J. Choi),장용해(Y.H. Jang),이성길(S.G. Lee),백형래(H.L. Baek),조금배(G.B. Cho) 전력전자학회 2007 전력전자학술대회 논문집 Vol.- No.-
The introduction of high brightness LEDs with white light and monochromatic colors have led to a movement towards specialty and general illumination applications. Because drive circuit of illumination LED has an effect on efficiency and life, research about the drive circuit following LED characteristic is needed. This paper proposed a implementation of the stand-alone LED lighting system using battery from photovoltaic power generation.