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강윤수,정권수 順天大學校 師範大學 附屬 科學敎育硏究所 1996 科學과 敎育 Vol.4 No.-
Hanna stated that the stress on rigorous proofs does not improve the grasp of the mathematical facts. In this paper, we investigate the situation of Korean mathematical education in the perspective of Hanna's viewpoint. As a result, we make some suggestions through Fischbein's intuitive method of proofs, Leron's structural method of proofs and Hadar's method of generic - examples assisted proofs.
정권수,조정구 順天大學校 師範大學 附屬 科學敎育硏究所 1994 科學과 敎育 Vol.2 No.-
PM 공간에서 타입 (A)의 양립 사상의 성질을 이용하여 Fisher의 일반화된 축소 사상의 조건을 만족하는 사상들의 공통 부동점 정리를 증명하였다.
정권수,조정구 順天大學校 師範大學 附屬 科學敎育硏究所 1994 科學과 敎育 Vol.2 No.-
본 논문에서는 PM 공간 상에서 양립사상의 성질을 이용하여 세 개의 사상들의 공통 부동점 정리를 증명하였다. 이 결과는 Singh와 Pant[5]의 결과를 일반화한 것이다.
공업계 고등학교에서 과제학습요소가 수학성취도에 미치는 영향
조영애,정권수 順天大學校 師範大學 附屬 科學敎育硏究所 1999 科學과 敎育 Vol.7 No.-
This research used a case learning factor has effect on improving the attitude to mathematics and raising achievement degree in mathematics in technical high schools, making an object of the first grade students of technical high schools, The results are as follows: First, the task learning factor improved the attitude to mathematics affirmatively and made the students recognize the usefulness of mathematics by showing various things which can happen daily. Also the study showed that the number of students who tried to do homework for themselves instead of depending on other's help was increasing. Second, it showed that the task learning factor was effective in improving achievement degree of mathematics.
GSP를 이용한 기하교육의 학습효과 : 중학교 2학년을 중심으로 In the Center of the Second Grader in Middle School
정기수,정권수 순천대학교 1999 순천대학교 자연과학논문집 Vol.18 No.2
For the purpose of making up some problems of geometry education, I want to show many visual and graphic models of diagrams by introducing GSP, which is one of software in computer class, before introducing proof in the second grade of middle school and to see what kinds of learning effects there are by permitting students to do research by themselves. To do this, I made an experiment by dividing two group of students as a experimental and comparing classes, and the result is as follows. First, the computer using-class was more effective than the usual ones in increasing scholastic achievements. Second, there are no difference between the experimental and comparing class. And also both group students felt difficulty in proving. This may show that more sufficient and effective learning about diagrams is needed before introducing proof.
진명숙,정권수,엄경련 순천대학교 과학교육연구소 2001 科學과 敎育 Vol.9 No.-
The purpose of thesis is to make the students who are not interested in athematics have interest in mathematics by using information & Communication Technology(ICT), to understand the nathematical principles, to know how close they are to us through data connected with real life and direct manufacturing and experiment of cyberspace, to solve the mathematics for themselves, and to make mathematics teachers develop and make use of ICT teaching-learning manual. Let’s see the following thesis for this purpose. First, it was divided into 8 teaching-learning activity types in connection with characteristics and educational use possibility of Information Technology. It was analyzed into concept, teaching-learning process procedures, and illustration for teaching-learning. Second, gathered and analyzed the scattered internet sites about mathematics, and made use of the intenet sites for teaching and learning mathematics. Third, for effective ICT teaching-learning. I chose the teaching-learning main idea, objectives and teaching-learning activity type. and I checked the aility to use information Technology and then chose the environment and media for information Technology. And then I planned the teaching-learning strategy. Fourth, I developed and applied the teaching-learning model using information Technology, and analyzed the results. This ICT teaching-learning activities brought interests for mathematics, accomplishment motivation, confidence about mathematics, and sense of superiority to the students. In addition to my student became active in mathematics class through this ICT teaching-learning activities.
이우선,고필주,최권우,정수복,최창주 조선대학교 에너지.자원신기술연구소 2003 에너지·자원신기술연구소 논문지 Vol.25 No.2
Chemical mechanical polishing (CMP) process has been widely used to planarize dielectric layers, which can be applied to the integrated circuits for sub-micron technology. Despite the increased use of CMP process, it is difficult to accomplish the global planarization of in the defect-free inter-level dielectrics (ILD). We investigated the performance of WO₃ CMP used silica slurry, ceria slurry, tungsten slurry. In this paper, the effects of addition oxidizer on the WO₃ CMP characteristics were investigated to obtain the higher removal rate and lower non-uniformity.
당뇨병성 신증 환자 20예에서 복합한약전탕액이 신기능에 미치는 영향
최우정,김동웅,신선호,이언정,최진영,신학수,조권일,이광석 대한동의생리학회,대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.2
Diabetic Nephropathy is one of the major causes of chronic renal failure. It is a common microvascular complication and clinically defined as the presence of persistent Proteinuria. We studied the effects and change of the renal function of Complex Herbal medication of the 20Diabetic Nephropathy patients. We measured the initial levels of Total Protein, Creatinine Clearance Rate(Ccr), Serum Creatinine(Serum-Cr), Urine Creatinine(Urine-Cr) and HbA1C on admission and followed up the level changes of Total Protein, Ccr, Serum-Cr and Urine-Cr on discharge. The results are following : Complex Herbal Medication does not cause the renal toxicity. The longer hypertension period is, the higher Serum-Cr level and Urine-Cr level. In an older age group, Urine-Cr is lower. 4.From the "Deficiency in Origin and Excess in Superficiality(本虛表實)“points of view, Complex Herbal Medication improves the Serum-Cr in Diabetic Nephropathy patients. According to this results, it could be suggested that Complex Herbal Medication does not cause the renal toxicity in Diabetic Nephropathy patients and intensive controls of blood sugar, blood pressure and Complex Herbal Medication prevent the renal failure in Diabetic Nephropathy patients with early stage of Microalbumiuria.