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중등 수학교육에서 ICT를 활용한 수학사의 지도에 관한 연구
고석구,정경식 建國大學校 自然科學硏究所 2002 建國自然科學硏究誌 Vol.13 No.1
A knowledge on the history of mathematics makes us widely understand mathematics. By hearing mathematicians' lives and achievements, the contents related to real life and other subjects, anecdotes, a historical background and so on, students may have interest in mathematics, A teacher can also motivate them to the utmost. But history of mathematics which can give students some interests is poor in high school textbooks, and if a teacher refers to materials of another mathematical history, it is difficult for him or her to use them as teaching materials because these materials are too massive and difficult to deal with. Therefore I have a goal in fostering students' interest in mathematics and helping them to study easily by making teaching-learning materials using ICT of these massive and difficult contents of mathematical history, and by teaching students mathematics using them in class. The class using ICT can greatly contribute to the expansion of 'the mathematical power' emphasized on the seventh grade math course because it is not center of a teacher that transmits knowledge to students unilaterally but the center of students who explore and discover mathematics for themselves. So classes using ICT should be activated. A teacher must have self-confidence as an expert of the subject and study the technology of information, diving into the sea of information.
고석구 건국대학교 1993 學術誌 Vol.37 No.2
We introduce the history of Oswald Teichmu¨ller who made big contributions to the branch of Mathematics - Geometric Function Theory.
고석구,신홍균,태현숙,김용선,안길만,Koh, Seuk-Koo,Shin, Hong-Kyun,Tae, Hyun-Sook,Kim, Yong-Seon,Ahn, Gil-Man 한국잔디학회 2009 한국잔디학회지 Vol.23 No.2
빌딩에서 발생하는 폐열을 활용할 목적으로 동절기 옥상정원에서 푸른 잔디를 유지하기 위한 잔디생육시험을 실시하였다. 옥상정원 지반에 Heating system을 설치하여 시기별 잔디생육상태를 조사한 결과는 다음과 같다. 겨울철 옥상녹화 지반을 heating처리한 결과, 무처리구에 비해 잔디품질 및 피복률이 우수하였으며, 잔디의 뿌리길이, 잔디밀도가 모두 상승하였다. 표면온도를 비교한 결과, heating지반의 온도는 평균 $10.9^{\circ}C$로 $0^{\circ}C$를 유지하였던 무처리 지반에 비해 월등히 높았으나, 수분함량은 평균 1.9% 낮아진 것은 $10.9^{\circ}C$로 유지된 지온으로 인해 수분증발이 계속 이루지는 것으로 사료되었다. 적설량이 15cm 이상 쌓인 상황에서, 히팅 시스템이 설치된 잔디밭에서는 4일만 눈이 완전히 녹았으나 대조구에서는 적설량의 변화가 거의 없었다. Heating system의 보일러 수온을 $55^{\circ}C$에서 $60^{\circ}C$로 높이자, 잔디는 건조 스트레스를 받아 잎끝이 마르는 증상이 나타났다. 앞으로 옥상정원에서의 잔디 재배과 관계된 세부적인 생리적 스트레스에 관한 연구가 필요하다고 판단된다. This study was carried out to utilize the waste heat from office building for turfgrass culture on a roof garden. Heating system had been installed in the middle of soil profile on the turf areas in the garden plots. The results showed that the installation of heating system increased the shoot density, turfgrass quality, coverage rate, and root length compared with the control plots. The surface temperature of heating plots reached at $10.9^{\circ}C$ when the control plot showed $0^{\circ}C$, however, the soil moisture content was decreased 1.9% by the heating system. When the height of the snow accumulation reached over a 15cm, the it took only 4 days to melt out completely, while the height did not changed those period at the control plots. When the water temperature in boiler increased to $60^{\circ}C$ from a proper temperature of $55^{\circ}C$ in turf growth, the desiccation from leaf tip was started to occur caused by drought stress. More detail research should be followed in stress physiology in turf management in roof garden operation.