d라이브러리
"energy"(으)로 총 105건 검색되었습니다.
- 천랑성의 색깔과학동아 l199110
- heavens are red. They are small stars and are of dim brightness.They are so small that they can only work up enough energy to have a surface brightness of 2,000 degrees-as compared with our sun ...
- 더 밝은 물체과학동아 l199109
- Most luminous objects are luminous in the visible light. This new luminous object, however, emits 99 percent of its energy in the infrared.The question is now: What can possibly be the cause o ...
- 토성의 테가 사라지고 있다과학동아 l199108
- with comet dust grains. The comet dust breaks up the ring particles, making them constantly smaller, so their energy then more rapidly disappears. There is an estimate that the effect of the co ...
- 1%만 절약하면 제주도에서 2년 쓴다과학동아 l199108
- 자동적으로 꺼주기도 해 전력소비를 극소화시키는 것이다.흔히 에너지관리 시스템(EMS, Energy Management System)라고도 불리는 이 기술은 각종 센서와 컴퓨터를 이용해 모든 전기설비의 가동상태를 파악하고 제어함으로 써 전기소비를 절약하도록 하며 이외에도 건물의 실내 환경여건을 감지하여 난방용 ... ...
- 왜 밤하늘은 어두운가?과학동아 l199106
- This meant that a large percentage of the light emitted by the stars might be shifted to such an extent that their energy content grew very low and they were not capable of lighting up the sky. ...
- 좁혀지는 인간과 침팬지의 사이과학동아 l199105
- data, produced in late 1990, dealt with mitochondria － little structures in the cell that control the formation of energy － which contain genes. A team led by Maryellen Ruvolo, of Harvard Unive ...
- 허블 망원경이 찍은 대폭풍과학동아 l199103
- to the "summer solstice" on Earth. At this time, Saturn's northern hemisphere gets its most intense supply of energy from the sun and that means that storms are more likely. As a result, every ...
- 현대판 「지킬박사와 하이드」이야기과학동아 l199103
- 많으나 대답은 없다." (Viele Fragen ! Keine Antworten !). 에너지보존의 법칙(law of conservation of energy)에너지가 그 형태를 바꾸거나 물체에서 물체로 옮기거나 해도 그 전체 양은 변함이 없다는 법칙.이것은 가장 기본적인 물리법칙인데 열역학 제1법칙이라고도 한다. 이 법칙은 19세기 중엽 독일 ...
- 배타의 원리과학동아 l199103
- useful. It explained the properties of all the different atoms, in connection with both their chemistry and their energy relationships. It explained the periodic table of the elements(something ...
- 잡아먹히지 않는 신비로운 나비과학동아 l199102
- north to their summer area, and does so without guidance.How a small creature like a butterfly can manage to find the energy to fly southward, then northward, for distances of up to 1,800 miles ...
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