d라이브러리
"study"(으)로 총 76건 검색되었습니다.
- 최초의 언어과학동아 l198903
- carrying with it its language, which evolved in different places as groups became isolated from each other. By studying all the similarities, might it not be possible to work up a kind of comm ...
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- 산불의 냉각효과과학동아 l198902
- The burning of industrial plants, oil refineries and so on would add additional smoke of a worse type.This careful study of day-to-day temperatures in the case of ordianry forest fires certain ...
- 태양을 스쳐 지나가기과학동아 l198901
- s glare.But mos there is a satellite called "Solar Maximum Mission" or, for short, "Solar Max," which is designed to study the neighborhood of the sun. It can do this because it possesses a "co ...
- 한쪽으로 늘어진 위성과학동아 l198811
- us something about the original "planetesimals" out of which the outer planets were formed.The Schaefers have been studying Nereid from Earth and they find that the light that it reflects is no ...
- 동요하는 지구과학동아 l198810
- two and a half inches to two feet, so that it is only about one-thirtieth as large as the Chandler wobble.By carefully studying satellite reports on weather data, the scientists have concluded ...
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- 왜 빛을 내는가? 그 결과로 무엇을 얻고 잃는가? 여름밤의 영롱한 빛 반딧불과학동아 l198808
- 섬광유형을 구사하는 한 종일 수 있다.이를 밝히기 위해서는 표시후 방류방법(Mark-release Study)을 활용할 필요가 있다. 그 방법을 알아보자. 먼저 숫컷을 잡아 날개 덮개위에 색 표시를 한 다음 날려보낸다. 물론 그 숫컷 반딧불의 섬광유형을 기억해둬야 한다. 그들은 날아가서 교미를 위한 수색에 ... ...
- 윤초(閏秒)과학동아 l198806
- where a solar eclipse should have been seen a few centuries ago, we find that the eclipse was seen-but miles away.Studying past astronomical records just gives us a notion how the rotation rate ...
- 성단(星団)이라는 측정자과학동아 l198805
- brightness. William Harris, an astronomer at McMaster University in Hamillton, Canada, has recently made a careful study of the globular clusters in nearby galaxies whose distance is known. He ...
- 알기 어려운 쿼크과학동아 l198804
- of quarks. That's simple enough.There is one problem, though. Scientists can detect free leptons very easily and can study them. But they cannot detect free quarks. The electron has an electric ...
- 우주의 비밀을 알려줄 폭발과학동아 l198804
- ”Matter and antimatter alike emit photons. This means we can never identify a quiet antistar or antigalaxy by simply studying the kind of light it sends us.A second type of uncharged particle i ...
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