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이종경,박영신 이화여자대학교 교과교육연구소 2004 교과교육학연구 Vol.8 No.3
본 연구의 목적은 시사만화를 사료로 활용한 수업모형을 개발하고 이를 실제 교육현장에 적용하여 효과성을 검증하는 것이다. 시사만화의 양과 질에 있어서 우수한 미국 역사의 주요 토픽을 선정하여 몇가지 기준에 따라 시사만화를 선정하고 분석지와 평가지를 제작하였다. 그 다음 이것들을 가지고 고등학교 2학년을 대상으로 수업을 실시하고 그 결과를 객관적으로 분석하였다. 연구결과는 다음과 같다. 첫째, 시사만화를 사료로 활용한 수업은 역사수업에 대한 흥미와 관심을 유도하는데 효과적이다. 둘째, 시사만화를 활용한 수업은 학생들의 역사적 능력 함양에 도움이 되었다. 셋째, 시사만화를 활용한 수업은 사료에 대한 인식을 바꾸어주었다. 본 연구를 통해 본 연구자는 시사만화를 사료로서 활용한 역사수업이 역사수업에 대한 학생들의 관심과 흥미를 높이고 역사교육의 목표인 역사적 능력을 함양하는데 유용한 교과교육방안일 수 있음을 확인하였다. A cartoon has not been educationally used in the classroom. In history education, there is a search about history teaching using cartoon, taking notice of the art education using cartoon. However, a search on the political cartoon as historical source does not receive careful study yet. Political cartoon can stimulate learner's gaze with the exiting picture and conversational form of language and can be understood easily with the complexity of ‘picture’ and ‘letter’ known to be most effective linkage for better understanding and memorization. Therefore, the author developed the history instruction using political cartoon then applied this ti the 35 high schoolers to verify the effectiveness of history teaching that author made using political cartoon. The findings are follows. Firstly, The history teaching using political cartoon as historical source could improve learner's interest and historical ability. Secondly, the history teaching using political cartoon changed learner's opinion about historical source from a negative point of view that historical source is boring and uninteresting and difficult to understand a affirmative point of view. Thirdly, the author suggested that explanation about skills and background knowledge of political cartoon and offer of analysis worksheet in the history teaching model, with the investigation worksheets and questionnaires that leaners filled out, it is known that these three thing are essential elements in the instruction. In this paper, The author found that history teaching using political cartoon as historical source has affirmative possibility in promoting learner's interest into the history class and in improving learner's historical ability.
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J.-J. Rousseau의 자서전 서술방식에 관하여 : 언술행위 이론을 중심으로
이신철,박종탁,양인봉 東亞大學校 大學院 1990 大學院論文集 Vol.15 No.-
En nous situant au discours vu dans la perspective de l'ennonciation, nous nous proposons, dans notre etude, d'analyser les quelques phrases ou le sujet evoque sa naissance et les relations qu'elle fait entre lui et ses parents. Pour cela, nous nous servons volontiers de procedures linguistiques qui dependent de la notion d'enonciation. A travers la tension entre les protagonistes, telle qu'au moment de l'ecriture le narrateur la restitue, nous pouvons constater que l'ambivalance du pere se refletent dans la double attitude de son fils : au-dela de la tendresse filiale apparaissent l'accusation et la haine, c'est ce qui nous amene donc a croire que c'est le d'esir inconscient du narrateur qui a distribue les roles a l'un rt a l'autre. en nous referant a l'opposition entre temps histor que et temps du discours, nous constatons aussi que le narrateur rapporte un enenement historique, mais en realite cette objectivite n'est qu' apparente. ciest parce que l'evocation subite de la mort de son pere revele la vengeance secrete du narrateur. La conclusions que nous pouvons tirer de notre etude, c'est que notre etude n'est qu'une approche pour atteindre les traces du sujet inconscient qui affleure dans les textes autobiographiques.
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卵胞호르몬과 Prostaglandin F_(2α)가 家兎子宮 및 골격근의 Catecholamine 含量에 미치는 影響에 對한 實驗的 硏究
朴勝信,李壽鍾 고려대학교 의과대학 1979 고려대 의대 잡지 Vol.16 No.1
This experimental study was conducted, so as to determine the effects of prostaglandin F₂α on the catecholamine contents in the uterine and skeletal muscle of mature female albino rabbits weighing approximately 2.0 ㎏. Group Ⅰ was normal control group. Group Ⅱ was treated with 100 mcg/㎏ of prostaglandin F₂α. Grouup Ⅲ was preconditioned with 5000 units/㎏ of estrogen and treated with 100 mcg/㎏ of prostaglandin F₂α. Catecholamine content was determined by Shore and Olin method. The results were as follow; 1. The catecholamine content in the normal uterine tissue was 0.33±0.06 mcg/gm (M±S.D.), while that of skeletal muscle tissue was 0.05±0.01 mcg/gm (M±S.D.). The catecholamine content in the uterine tissue was higher than skeletal muscle tissue. 2. In the prostaglandin F₂α treated group, the catecholamine content in the uterine tissue was 1.26±0.54 mcg/gm (M±S.D.), while that in the skeletal muscle tissue was 0.08±0.01 mcg/gm (M±S.D.). The catecholamine content in the uterine and skeletal muscle tissue were significantly increased by administration of prostaglandin F₂α. 3. In the estrogen preconditioned prostaglandin F₂α treated group, the catecholamine content in the uterine tissue was 0.32±0.12mcg/gm (M±S.D.), while that in the skeletal muscle tissue was 0.04±0.02 mcg/gm (M±S.D.). This series was similar to findings of the control group as far as the catecholamine content in both uterine and skeletal muscle tissue were concerned. 4. The catecholamine content in the uterine tissue was markedly increased in the prostaglandin F₂α treated group, whereas there was no change in the estrogen preconditioned prostaglandin F₂α treated group. 5. The catecholamine content in the skeletal muscle tissue showed a marked increase in the prostaglandin F₂α treated group, in contrast to decrease in the estrogen preconditioned prostaglandin F₂α treated group.
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Probabilistic Spherical Detection and VLSI Implementation for Multiple-Antenna Systems
Park, C.S.,Parhi, K.K.,Sin-Chong Park IEEE 2009 IEEE transactions on circuits and systems. a publi Vol.56 No.3
<P>This paper presents a novel probabilistic spherical-detection (P-SD) method which applies the probabilistic-search algorithm to conventional depth-first SD (DF-SD). By confining the tree search into candidates which can be selected in an adaptive manner, a large number of promising candidates can be evaluated before termination. Consequently, the proposed P-SD improves the error performance of DF-SD with early termination, while retaining the hardware efficiency. An efficient VLSI architecture is proposed for implementation of the P-SD algorithm, and the results of the synthesized architecture are presented. The main advantage of P-SD is that it can fully exploit the state-of-the-art architectures of DF-SD, since it can be implemented by simply adding two functional blocks to conventional DF-SD. By analyzing the performance-complexity tradeoffs, it is concluded that our proposed P-SD is advantageous over conventional DF-SD and <I>K</I>-best algorithm, when the maximum-likelihood error performance is desired.</P>
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박종연(Chong-Yun Park),임기승(Ki-Seung Lim),신동석(Dong-Seok Sin),최현희(Hyeon-Hui Choe) 대한전기학회 2009 전기학회논문지 Vol.58 No.4
This paper proposes a high efficient Dual Buck Inverter design with a zero voltage switching (ZVS) control technique. The ZVS control is realized by adding a feedback loop circuit which is implemented by simple RS latch and TTL gate. The used load was 200W-Ceramic Metal Halide Lamp. The experimental results show that the proposed Inverter system could avoid the acoustic resonance and achieve high efficiency by Zero Voltage Switching.
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