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고교 물리의 수학적 고찰을 통한 함수의 지도법에 관하여
홍현철,고석구,선우하식 建國大學校 自然科學硏究所 2001 建國自然科學硏究誌 Vol.12 No.-
Mathematics affects largely not only itself but also other disciplines. It has been widely used to develop logical thoughts and new ideas. In this paper, we study the high school physics in terms of mathematical theories. We find that important topics in mathematics which is related to physics largely is a "function", and so we put much emphasis on the study of physics in the light of mathematics for the study of teaching method in function. We conclude that this method plays an important role for the students to learn mathematics sufficiently.
홍현철,유영준,홍충렬 한국동굴학회 1996 동굴 Vol.46 No.-
After the opening of Gosu -cave, as tourist has increased, the inner parts and outer regions of cave is changed. This paper focuses on the environmental changes according to development of tourist tesort in Gosu-cave. The result of this study can be found in the following facts: (1) As cave is opened, lighting equipments set up for the purpose of helping inspection and coming in and out. (2) As the temperature rises in the coming in and out of tourist, this is caused to dry and peel off the topographes in cave. (3) The quality of water in cave is contaminated by the waste, garbages and coins by tourists. (4) As Chungju- Dam has constructed, the linkages of the other tourist resort of Gosu - cave is improved. It is on the accessability of Gosu-cave. (5) As people has access to Gosu - cave, tourists increased more than the former times. Thus this phenomenon is contributed to the increasements of regional incomes and opportunity of regional employment.