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"over"(으)로 총 127건 검색되었습니다.- 도도새 같은 죽음과학동아 199011
- have been influenced by the common statement that it was larger than a turkey, so that one thinks of domesticated, overfed turkeys. (Who knows! If dodos had been saved, we might now have dodo f ...
- 보이지 않았던 별과학동아 199009
- moon was in the sky nearby. Robbins and Westmoreland believe that the star near the rabbit signifies that. Moreover, there are 23 rays emerging from the star and that may represent the 23 days ...
- 경기용차의 구조와 성능「극한」을 돌파하는 「첨단」의 노력과학동아 199009
- 필요했다. 배기량이 1만cc가 넘는 엔진이며, rpm(엔진회전수)을 높이기 위한 DOHC(Double Over Head Camshaft), 최근에 실용화된 트윈 캠(twin cam) 등이 개발돼 근대식 엔진의 선구자 구실을 해왔다.초기에는 큰 제한없이 멋대로 만들어졌던 경주용 차에 처음 제한을 둔 것은 1934년이다. 무게가 7백50㎏ 이하여야 ...
- 마지막 입자과학동아 199009
- they will be ready to smash particles at higher levels of energy than they had disposed of hitherto. They hope to discover particles containing top — quarks among the debris.If they can't dete ...
- 상처를 찾아라과학동아 199008
- The reason is simple. The original indication of the strike is a thin layer of rock 65million years old found all over the world, which is comparatively rich in the rare metal, iridium. Meteor ...
- 박테리아 광부들과학동아 199008
- concentrations and get the metals out of them economically. The metals are never 'used up,' but they are spread out over the Earth's surface in lower and lower concentrations, and getting more ...
- 원자 하나씩과학동아 199007
- through matter instead of being reflected, as light is. Also, X-rays could not be easily focused. The electron was discovered in 1896 and in 1923, an American scientist, Arthur H. Compton, show ...
- 종족의 보존과학동아 199006
- the scale : the "hairy-eared dwarf lemur," a primate thought to be extinct since at least 1964, when a skin was turned over to scientists.The lemur is a primitive primate, the class of animals ...
- 잘못된 경종과학동아 199005
- of energy by the process.Another false alarm went off some time ago, when a "fifth force" of the universe was discovered. There are only four known forces in the universe and they seem to accou ...
- 우주적 위험과학동아 199005
- water would reduce the cosmic ray radiation to the point that the risk of cancer would be increased by only 2 percent over that on Earth.This protection, however, might be inadequate in the cas ...
