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RISS 인기검색어
- 검색키워드
- 저자 : 金玟煥 (검색결과 579 건)
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金玟煥 尙志大學校 1996 論文集 Vol.17 No.-
The purpose of this study is to examine the logic of curriculum theorists in the 1920s. This period was known as formative years of the curriculum field. Major theorists were F. Bobbitt, F.G. Bonser, W.W. Charters, G.S. Counts, W.C. Bagley, H. Rugg, D. Snedden, H.L. Caswell & D.S. Campbell, and J. Dewey etc.. Firstly, we reviewed the work of five curriculum theorists, who leaded the how to curriculum making. Bobbitt, who was shown as a father of the curriculum theorist, leaded the social efficiency movement in curriculum. He advocated that the curriculum should be formulated by scientifically analyzing activities of adult life and translating them into behavioral objectives. The process was known as activity analysis. It was detalied in his work, How to Make a Curriculum(1924). Bonser's primary concern was curriculum making for the elementary education. He conceived curriculum as something which can be stated, and as being the same for all children in elementary school. Thus, he suggested that the process of planning a curriculum with regard to using the principles of job analysis whcih was determine common knowledge, skills, attitudes, and appreciations to all works of life in America. Charters, like Bonser, focused on the tasks involved in planning a curriculum. He viewed the curriculum as a series of objectives that children must attain by way of a series of learning experiences. In his book on Curriculum Construction(1923), he maintained that there are seven rules for constructing a curriculum and that these rules may be ordered so as to define the logical sequence of steps to be taken in planning a curriculum. According to his suggestion, subject matter must be logically derived from objectives. He has emphasized that the first step was to identify ideals of socially efficient persons in the society. These ideals and common activities were then analyzed into objectives and were arranged in order of importance for children to acquire, so that they might efficiently fit society's needs. The process was known as job analysis. Counts explained the curriculum with relation to the social function of education. He viewed the curriculum as a statement of what ought be the stage of development of human experiences. In other words, a curiculum is a statement of what ought be the case for the child and for society. Especially, he criticized the method of scientific curriculum making and insisted that a children's interests furnish the raw conditions but not the goals of education. Begley emphasized the form of the curriculum as do Bonser and Charters. Also, like them, he viewed the curriculum as a statement which is to direct the work of teachers. He look to subject matter as constituting the curriculum. He suggested the core curriculum that will be the nucleus of a common culture for the children of the nation. Five curriculum theorists' concern was the method of curriculum making. But their viewpoint of the curriuclum and approach to constituting the curriculum were different each other. Thus, in order to understand their logic of curriculum manking in detail, we should compare the issues and debates of each curriuclum theorist and scrutinize the suggestions of the five in reference to their social circumstance.
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김민환 호남대학교 1997 호남대학교 학술논문집 Vol.18 No.4
The major aim of this study is to evaluate the water balance at ungaged point(Yongam). It is not certain whether the source of water at Yongam is the natural flow or the storage water from reservoirs. The water balance need to preventive from the dispute of the water distribution at Yongam. In this river system, it was estimated that the drought event had 11 years and the natural flow was produced by using tank model. According to the results of the water balabce analysis, in the drought year, it appears that (1)the period of the water incapable pumping is during 0.6-5 months. (2) the period of the water of part pumping is during 3.5-6.6 months. (3) the period of the water of pumping over the capable of facilities is during 3.6-4.8 months.
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貯水池群의 最適運營을 위한 微分動的 計劃法의 效率性 向上
金珉煥 호남대학교 1989 호남대학교 학술논문집 Vol.10 No.-
The solution of Differential Dynamic Programming (DDP), that are based on embeding the numerical model as constraints in a mathematical problem, is very difficult due to the large dimensions of the programming problem. This paper presents modified mathematical model of DDP using Newton-Raphson method. The modified mathematical model construct a simple form compare to other model. And the inverse matrix of Jacobian calculate by partitioning to reduce error. This paper has shown that modified mathematical model is an efficient solution method for the optimal control of multireservoirs operation.
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송창수,이원택,김민환 호남대학교 산업기술연구소 1999 산업기술연구논문집 Vol.7 No.-
토양보전을 위하여 토양을 오염시킬 우려가 있거나 손상시킬 우려가 있는 행위에 대해서 규제가 가해지고 있다. 규제를 행함에 있어서 우선순위가 중요하다. 유류저장시설에 대한 규제를 행함에 있어서는 우선적으로 환경영향평가를 실시함으로서 그 위해성 여부를 평가하는 것이 필요하며, 폐기물 매립지에 대해서는 우선적으로 규제에 포함시킴으로서 위해성의 검증을 행하는 것이 필요하다. In the interests of soil protection, regulation of soil protection may be laid down with regard to the performance of acts which entail disposal on or in the soil of substance which may pollute or impair the soil. The priority of regulation is important in the soil protection. In UST, the environmental assessment is necessary to begin with the regulation. The landfill site is included to protect the soil and identify any damage.
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이원택,김민환 호남대학교산업기술연구소 1997 산업기술연구논문집 Vol.4 No.-
슬러지와 용선슬래그는 콘크리트2차제품과 주물제품을 생산할 때 발생되는 산업부산물로서 현재는 일반폐기물로 분류되어 처리되고 있다. 이들 산업부산물을 연성관의 뒷채음재로 사용하면 산업부산물의 재활용 측면에서 아주 바람직할 것이다. 연성관 시공시 지배인자는 관의 변형이다. 연성관의 변형에 큰 영향을 미치는 것은 관의 재질과 뒷채움재의 성질이다. 본 연구에서는 이들 산업부산물을 연성관의 뒷채음재로 사용할 수 있는 가능성을 알아보기 위해 일축압축강도 시험을 실시하여 흙으로 뒷채움한 경우와 비교분석하였다. Sludge and slag are by-product of concrete product and cast iron product, which are treated as ordinary waste. It is very desirable to utilize of waste material. Ruling factor of flexible pipe is deformation of pipe, which is dependent on the material properties of the pipe and backfill material. In this study, in order to find out feasiblity of the sludge and the slag uniaxial compression tests are carried out and the strengths and the elastic moduli are compared to those of soil.
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