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수학적 사고력 신장을 위한 교수-학습 방법에 관한 연구
오영선,이상기,장응철 대구대학교 기초과학연구소 1997 基礎科學硏究 Vol.14 No.1
Throughout this thesis, we made a new teaching-learning model to be comprehended the formation of the basic conceptions, principles and rules on centering the field of the figure. And we applied this to two groups, the comparative group and experimental group, we reached the following conclusions. First, there is a little difference between two groups in the scores on high school entrance examination. Second, there is a wide difference between two groups in the result of the degree of achievement in the extention of the mathematical thought. Hence, cramming education get to some degree, it is difficult to expect the above advancement unless the students had apprehensive the principle or the basic conception in the level of the thinking. Third, it is more important to know "how to think" rather than "what to think" or "what content to think." So when both teachers and students understand the above fully and the belief that the problem is solved that it will improve the mathematical thought changes, the mathematical thought should be extended. We found the following schemes to achive the teaching-learning activity for the extention of the mathematical thought. First. there most be much further studies to develop new teaching-learning methods, and give proper guidance to teachers and provide submaterials to enlighten various kind of teaching-learning method. Second. a curriculum in each level should he preset, because the problem of increasing mathematical thought is more important than memorizing or bombarding the uniformly fragmented knowledge. Third, for the extention of the mathematical thought, we should discard the 100% multiple choice examined test for the current high school entrance examination, and make the new test include descriptive questions. Forth, we have always stressed "what the problem is possible to solve", but, from now on, we must always keep in mind that the students know how to explain "what the problem is impossible to solve."
자원소비지표를 활용한 한국 산업화 과정에 대한 지속가능성 평가
오영선 한국정책학회 2004 韓國政策學會報 Vol.13 No.2
한국 경제는 산업화 과정에서 세계적으로 유래가 없는 압축적인 고도 성장을 이룩하였다. 경제성장은 필연적으로 환경문제를 수반하기 때문에 산업화 과정에서 이룩한 경제적인 성과만큼이나 심각한 환경오염이 발생하였다. 물질균형접근법에 의하면, 경제계에 투입되는 자연자원의 양은 궁극적으로 질량보존의 법칙에 의해서 환경오염물질로 모두 배출되기 때문에 환경문제는 자원고갈과 동시에 환경오염의 문제이다. 본 연구에서는 자원소비지표를 활용하여, 한국 경제가 환경에 미치는 압력이 시대별로 어떤 변화 추이를 보여왔는지를 분석하고, 아울러 한국 경제의 전개 방향이 지속가능성의 방향으로 나가고 있는지를 평가한다. 분석 결과 한국 경제는 자원소비가 꾸준히 증가하고 있으며, 특히 1990년대 이후 자원소비 규모가 급증하였다. 이로써 한국 경제가 환경에 주는 압력은 갈수록 급증하고 있음을 알 수 있다. 하지만 경제성장율과 비교를 통한 상대적 평가에서는 한국 경제가 탈물질화와 지속가능한 방향으로 개선되고 있음을 알 수 있다.
吳永仙,宋泰元 대전대학교 한의학연구소 2000 혜화의학회지 Vol.9 No.1
After analyzing the datas to propose the rightful recognition and research direction for the long used charcoal, the following conclusions are obtained. 1.The 'soot' is pure Korean which has the meaning of 'fresh power' and is translated in English as charcoal which is composition of china and cool meaning good. 2.The main dispositions of the charcoal are 85% of carbon, 10% of water, 4% of minerals and 2% of essential so that the understanding of properties and effects of carbon are essential. 3.It is usually appeared that there are purifying and detoxifying effects of the woods and the room in practical use of charcoal. 4.In everyday life, it removes the odors, regulates the humidity and prevents the decaying. 5.It is often used medically for activating liver functions, regulating digestive functions and for diseases with inflammations, fever or bleeding. 6.The charcoal is used in medical treatment internally as well as externally. Above conclusions shows that the objective research is needed for clinical use considering the physical and chemical properties in future.
복분자(覆盆子), 석창포(石菖蒲), 상침자 및 숙지황(熟地黃)이 모발성장(毛髮成長)과 면포에 미치는 실험적(實驗的) 연구(硏究)
오영선,노석선,오민석,Oh, Young-Sun,Roh, Sek-Seun,Oh, Min-Suck 대한한방안이비인후피부과학회 2006 한방안이비인후피부과학회지 Vol.19 No.3
The effects of four extracts of medicinal herbs, Rubus coreanum, Acorus calamus, Morus alba and Rehmannia glutinosa on hair growth activity and acnes control were investigated. In the course of screening natural extracts for hair growth, we found that the extract of dried root of Rubus coreanum has the hair growth promoting effect. After topical application of these extracts to the back of C57BL/6 mice, the earlier conversion of telogen-to-anagen phase was induced. The growth of dermal papilla cells and mouse vibrissae hair follicle cultured in vitro, however, was not affected by treatment of these extracts. Furthermore these extracts do not possesspotent inhibitory effect on $5{\alpha}-reductase$ I and II activity and anti-bacterial effect on Escherichia coli , Propionibacterium acnes, Pityrosporum ovale, Staphylococcus aureus, Staphylococcus epidemidis, and Candida albicans. RT-PCR analysis showed that these extracts did notinduce mRNA levels of growth factors such as insulin-like growth factor-I, keratinocyte growth factor, hepatocyte growth factor and vascular endothelial growth factor in dermal papilla cells. These results suggest that Rubus coreanum has hair growth promoting effect. However, the effects of these materials on the hair growth promotion are not mediated through inhibition of $5{\alpha}-reductase$ I and II activity, stimulation of hair follicle cells and expression of growth factors in the dermal papilla cells.