리튬-필로카르핀 경련모델의 특징 : 행동양상, 뇌파, Fos단백의 발현 및 신경병리학적 변화 Behaviors, Electroencephalography, Fos Expression, and Neuropathologic changes

김영인,이광수,김범생,김용재,천명훈,김명석 대한신경과학회 1996 대한신경과학회지 Vol.14 No.1

사이버네틱스에 있어서의 外向性과 內向性의 關聯性에 關한 硏究(I)

金光永 동국대학교 철학회 1985 哲學思想 Vol.6-7 No.-

미생물을 이용한 Gellan Gum 생성의 Kinetic에 관한 연구

金春永,鄭奉佑,張光燁,李銀美 全北大學校 1992 論文集 Vol.34 No.-

Polysaccharides produced microbially, have shown themselves to be commercially significant. The reasons for the commercial exploitation of these microbial polysaccharides is because of their unique physical and consistant chemical properties and regularity of supply. Gellan gum is a recently discovered extracellular polysaccaride. This is an anionic heteropolysaccharide that forms viscous solutions and can under certain conditions, form thermoreversible gels with characteristics similar to those formed by both carrigeenan and agar. The aspect of Gellan gum produced by Pseudomonas elodea were investigated under various concentration of carbon sources and nitrogen sources. Sucrose and glucose are used as carbon source, and Bacto-peptone, Promosoy and (NH_4)_2SO_4 are used as nitrogen source. The maximum Gellan gum production was obtained in the culture medium 30.0g/L glucose, 0.6g/L Promosoy at pH 6.6, 37℃. The molecular weight of Gellan gum was 5 × 10 exp (5) which was determined by gel permeation chromatography.

WLL 기지국용 다운 컨버터 설계

김윤영,문성익,허광삼,양두영 제주대학교 산업기술연구소 2000 尖端技術硏究所論文集 Vol.11 No.1

In this paper, A down converter to convert RF signal into IF signal is designed at the WLL base-station. It consists of low noise amplifier module and down mixer module. The low noise amplifier module is composed of three-stage and a feedback circuit is added in the first-stage low noise amplifier in order to obtain unconditional stability and good flatness. The configuration of the down mixer module is a single-ended type gate mixer. For the good isolation characteristic of each port, a bandpass filter and a lowpass filter are inserted in the input and output port. To design the down converter without the IF power amplifier, it is important to maximize conversion gain. So the down converter of this paper is designed for the purpose of obtaining a high conversion gain. From the results, the IF output power is -12.68dBm when the LO and the RF power level are 7dBm and -80dBm, respectively. Also when the LO power level is 7dBm, P1dB is -0.19dBm, and the RF input power range shows 70dB on wide operating range.

저염 우렁쉥이 젓갈의 가공 및 갈변방지

김영아,강수태,강군중,오광수 경상대학교 농업생명과학연구원 2003 농업생명과학연구 Vol.37 No.4

These studies were carried out to develop the low salt-fermented sea foods from ascidian. In present papers, we examined optimum processing conditions and quality improvement of the low salt-fermented ascidian. The optimum processing conditions of low salt-fermented ascidian was as followed. After deshelling and slicing a ascidian muscle in 5 mm width, and dipping in a 10% salt and 1% sodium erythorbate solution for 20 min. We dewatered it, and dipped it in 0.1% sodium bisulfite solution for 1 min, then added an anchovy sauce and rice gruel(1:1) mixture and finally fermented it at 5℃ for 15 days. The moisture and salinity contents of the low salt-fermented ascidian were 75.0~75.4% and 8.0 ~8.5%, respectively. During fermention at 5℃ for 20 days, amino-N contents of the low salt-fermented ascidian increased, and texture were softened gradually. The viable cell counts were 4.2~4.5×10^(4) CFU/g, and tended to decrease in the first stage during fermentation. The ratio of saturated fatty acids tended to increase in the early stage of fermentation, while that of polyunsaturated fatty acids decreased slightly during fermentation. In the results of chemical experiments and sensory evaluation, dipping treatment in 1% sodium erythorbate solution and 0.1% sodium bisulfite solution showed a good color and prevention of browning in the low salt-fermented ascidian, and also adding anchovy sauce and rice gruel mixture improved the taste of it.

行政哲學에 관한 硏究 : 理論과 實際的 觀點에서 On the Perspective of Theory and Practice

金永聲,鄭光朝 충남대학교 법률행정연구소 1986 논문집 Vol.14 No.-

Cybernetics와 誠의 關係에 관한 硏究 : Norbert Wiener를 中心으로

金光永 동국대학교 철학회 1983 哲學思想 Vol.5 No.-

放射電磁波에 의한 絶緣診斷에 관한 硏究

김영훈,박원주,이동인,김충년,이광식 嶺南大學校 工業技術硏究所 1995 工業技術硏究所論文集 Vol.23 No.1

In this paper, the detect of insulation disorder and process degree of insulation degradation of power apparatus, the waveform of discharge current, magnitude of discharge and frequency spectrum of the electromagnetic wave radiated from partial discharge by simulating with needle-to-plane electrode geometry and dielectric with artificial void, were investigated. The results obtained can be summarized as follows. 1) Streamer pulses occur near the positive cycle and trichel pulses near the peak of negative cycle of applied voltage. At that time, discharge magnitude of trichel pulses and streamer pulses was observed about 200[pC] and 500[pC] in air, respectively. 2) The level and frequency spectrum of radiated electromagnetic waves were increased about 20∼40[dB] at under 200[MHz] and about 2∼3[dB] above 200[MHz], compared with background noises. 3) A sudden change of discharge magnitute above 20∼30[pC] was observed with various applied voltages, but the magnitude showered to tend to saturate at 300∼300[pC] in dielectric. 4) The level and frequency spectrum of radiated electromagnetic waves were increased about 3∼6[dB] under 200[MHz]and about 2∼3[dB] above 200 [MHz], compared with background noises.

WLL 기지국용 다운 컨버터 설계

김윤영,문성익,허광삼,양두영 濟州大學校 産業技術硏究所 2000 산업기술연구소논문집 Vol.11 No.1

In this paper, A down converter to convert RF signal into IF signal is designed at the WLL basestation. It consists of low noise amplifier module and down mixer module. The low noise amplifier module is composed of threestage and a feedback circuit is added in the first-stage low noise amplifier in order to obtain unconditional stability and good flatness. The configuration of the down mixer module is a single-ended type gate mixer. For the good isolation characteristic of each port, a bandpass filter and a lowpass filter are inserted in the input and output port. To design the down converter without the IF power amplifier. it is important to maximize conversion gain. So the down converter of this paper is designed for the purpose of obtaining a high conversion gain. From the results, the IF output power is -12.68dBm when the LO and the RF power level are 7dBm and -80dBm. respectively. Also when the LO power level is 7dBm. PldB is -0.19dBm. and the RF input power range shows 70dB on wide operating range.

"국민윤리" 敎科內容의 模型設定에 關한 一硏究

金渭錫,裵龍光,姜永晧,朴仁熙 慶北大學校 文理科大學 1977 文理學叢 Vol.4 No.-

Based upon the point of view that man would be able to get self-perfection only in community and that, on the other hand, just the man is the origin of vitality of community, writers believe that value education program is needed an useful in the university curriculum. And they found that in substantial character the value education program means the instruction which is not only for a student to adapt himself to the system of the community, but also criticize the system of the community in order to realize the best social conditions. Then, it is important to establish the substantial object of "National Ethics" and to constitute the contents of curriculum of it, which is suitable to accomplish the object of "National Ethics." According to the view mentioned above in this paper, writers attempted to establish a model of contents of "National Ethies" as a university curriculum. Writers think that the substantial object of "National Ethics" must be established with reference to the most important problems for the nation to be solved. Writers believe, therefore, that such problems as ① Primitive Unification, ② Industrialization ③ National Welfare ④ Abundance upon which discoursed A.F.K Organski in his "This Stage of Political Development," or as ① State-Building ② Nation-Building ③ Participation ④ Distribution of which stated G. A. Almond and G. B. Powell in their "Comparative Politics: Developmental Approach," are the most important for us to solve: because the history of modernization of Western Europe would suggest an End-State model for the underdeveloped nations. The following conclusions were derived from the present study: First, a statue of a human being as the substantial object of "National Ethics" is one who eager to solve and accomplish such problems mentioned above. Second, according to the suggestions of the history of modernization of Western Europe, the contents of curriculum of "National Ethics", which would be able to accomplish the substantial object of the "National Ethics," must be constituted with the contents which cultivate the patriotism. And from the history of modernization of Western Europe writers find out the facts that such modern spirits as positivism, rationalism and so forth rested on the basis of their traditional thought. And so, Koreanic modern spirits must be derived from her traditional thought. Then writers conclude that the contents of "National Ethics" must be constituted with "Korean thought" and the thought of "Chyung-Hyo" which is one of the Korean traditional morals. Third, writers concluded that it is reasonable to exclude the chapter of "The Philosophy of Political Science" and "Criticism of Communism" from the contents of curriculum of "National Ethics," which is contained in present text of "National Ethics," and to treat each one as a independent subject if it is possible. Fourth, a system of "Korean Thought" which is stated in this paper is an example for further study.