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CVD-BN에서 poly-Si-SiO₂를 통하여 Si으로의 저농도 붕소확산
金正會,金鐵柱 서울市立大學校 1985 論文集 Vol.19 No.2
Low concentration (??10.16cm??) for boron diffusion was obtained by the diffusion into Si through poly·Si-SiO₂from CBD-BN (Chemical Vapor-Deposited Boron Nitride). Boron concentration distribution was defined by the two boundary diffusion model and any change of oxide layer originating this diffusion are not seen.
밀폐형 2상 열사이폰의 Pool 내부 Pulse Boiling에 관한 연구
김철주,문석환,강환국,Kim, Cheol-Ju,Mun, Seok-Hwan,Gang, Hwan-Guk 대한기계학회 1997 大韓機械學會論文集B Vol.21 No.10
Pulse boiling, the unsteady periodic boiling phenomenon appearing in the evaporator of thermosyphons was investigated by many researchers. In the present study investigations were conducted to examine the evolution of flow patterns at the evaporator, and changes in thermodynamic state that each of liquid pool and vapor experiences through 1 cycle of pulse boiling process. For wall and liquid pool the degree of superheat for the onset of nucleation was examined. It revealed that the degree of superheat increased with the increase of pulse period, reaching to 16.5 deg.C and 23 deg.C for liquid pool and evaporator wall respectively at .tau.=80 sec. The data on flow patterns obtained through series of operation tests were plotted in the coordinates of heat flux and vapor pressure to get a regime map. Further this map could be used to figure out the conditions of pulse boiling for a thermosyphon.
제7차 교육과정 개편에 따른 종교교육론의 쟁점과 새로운 방향
金鐵柱,高柄哲 韓國宗敎敎育學會 2003 宗敎敎育學硏究 Vol.17 No.-
이 글의 목적은 제7차 교육과정 개편에 따른 다양한 논의들을 탐색하여 종교교육 관련 쟁점들(points of issue)을 찾아내고, 이를 바탕으로 앞으로 진행되어야 할 종교교육의 방향성을 점검해보려는 것이다. 이 연구에는 시기별로 각 교육과정의 종교교육론을 성찰하면서 현행 종교교육론의 위치를 재구성하는 작업이 병행되었다. 현행 종교교육론의 쟁점을 종교교육론의 역사 속에서 재구성하는 작업은 앞으로 진행될 종교교육과 종교교육론에 보다 근본적인 문제와 방향성을 제기할 수 있기 때문이다. 소기의 목적을 위해서 먼저 2장 '제7차 교육과정의 종교교육론'에서는 제7차 교육과정에서 종교교육론이 규정된 방식들을 검토하였다. 3장 '종교교육론의 갈등 요인'에서는 제7차 교육과정의 종교교육론을 둘러싸고 발생된 갈등을 살펴보았으며, 실제로 "종교' 과목을 선택한 학교들의 반응을 중심으로 접근하였다. 마지막으로 4장 '종교교육론의 쟁점과 방향'에서는 앞의 논의를 종교교육론의 역사와 연관지어 쟁점화 시키면서 앞으로 진행될 종교교육의 방향에 대해 숙고하였다. The purpose of this research is to investigate various educational issues according to 7th. national curriculum standard. Through the process of this research, we tried to find out points of issue of religious education and examined the new directions of religious education that should be persued in the near future. While reflecting the curriculum policies on the religious education by the each time period of national curriculum revision, reorganizing current status of religious education was carried out. In the context of history of religious education, reorganizing the issues of current religious education can raise fundamental problems and directions of religious education in progress. To achieve these purposes, in chapter 2, in the title of 'religious education in the 7th. national curriculum standard' we reviewed how religious education was defined in the 7th. national curriculum standard. In chapter 3, 'the confrontational elements of religious education', we reviewed what have been caused by the 7th. national curriculum standard for the religious education. Also, we examined the reactions toward 7th. national curriculum standard from the mission schools which chosen religious subjects on their school curriculum. The chapter 4, in the title of 'points of issues of religious education and new direction', we made a reference to previous discussions of the article with the history of religious education. In this writing, we classified two different issues of religious education. The first issue was, the identity of religious education that have two oppositional points of views from the time of 4th. national curriculum standard. The second issue was the possibility of connection between 'religious education' and 'moral education'. As long as the current curriculum exist within the boundary of modem national curriculum standard, we clarified the fact that the debates on religious education should be proceed within the scope of consideration of coherence between religious education and modern national curriculum.