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신철호 남서울대학교 2006 남서울대학교 논문집 Vol.12 No.-
Flicker value indicated the activity level of cerebrum. The higher the value is, the more actively the brain is working. In addition the brain a person is active when the person is on the move rather than in rest. Similary the studying in school can be analyzed in relation to Flicker value. The flicker value measured during the break time after compleating a class shows that the measured GYM is the highest. Cerebrum becomes more active when a corresponding person is engaged in sport activity. This is because the peripher muscle is stimulated and then this in turn brain further. This cause a drop in job or and finally disapperars completely. In the case brain cells the number of brain is cells reduced as we grow older. That is through exercises decrease of tonus can be mitiged the activity of brain can be further for job efficiency. We must reconized the benefits and importance of exercises.
On some properties of a hyperbolic metric
Woo, Gyungsoo,Shin, Chulho 昌原大學校 基礎科學硏究所 1997 基礎科學硏究所論文集 Vol.9 No.-
상반평면에서의 H-선분은 실축상에 중심을 가진 반원의 호이거나, 실축과 수직한 유클리드 선분임을 변분법을 사용하여 증명하고 적용예를 보였다.