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"good"(으)로 총 103건 검색되었습니다.- 찾기 힘든 쿼크를 찾아서과학동아 1991년 07호
- they really exist?By inference. Beginning in 1808, scientists accepted the existence of atoms before they actually had good evidence of them in 1913.So many aspects of nuclear physics are expla ...
- 슈퍼 다이아몬드과학동아 1990년 10호
- we know for rubbing down and smoothing out uneven surfaces. (There are abrasives that are cheaper and almost as good, but they are only almost as good.) Then, too, though diamond does no ...
- 보이지 않았던 별과학동아 1990년 09호
- to this day (although there is a notation in an Italian manuscript that might refer to it).But if there was no good record of its sighting, how do we know that such a star was ever in the sky?F ...
- 상처를 찾아라과학동아 1990년 08호
- crater. Hildebrand and Boynton don't insist that this is the scar scientists are looking for, but they feel it is a good candidate.Two other scientists, Bruce Bohor of the U.S. Geological Surve ...
- 종족의 보존과학동아 1990년 06호
- but has now been driven nearly to extinction. The bird only breeds once in four years and only when the food supply is good, so it is hard to keep it going. Only 43 birds are left, 14 of them f ...
- 지구가 너무 덥고 추웠을 때 When The Earth Was Too Hot and Too Cold과학동아 1990년 01호
- far from the ocean does not have a chance to have its temperature moderated. It gets good and hot in the summer, and good and cold in the winter. Such regions experience a "continental c ...
- 초기인류의 언어능력을 말해주는 뼈과학동아 1989년 08호
- Science fiction writers often deal with prehistoric times and with Neanderthal man in particular. Back in 1939, a good friend of mine, Lester del Rey, wrote a very touching story titled “The D ...
- 귀소하는 거북과학동아 1989년 07호
- can't always tell you exactly what is true, but some-times it can tell you that something that is dramatic and sounds good may not be true. That Happened early in 189 in connection with, of all ...
- 식품포장재 랩 논쟁4년 PVC는 랩의 원료로 타당한가과학동아 1989년 04호
- 서통(유니랩), 삼영화학공업(주)(썬랩), 한국 플라스틱 공업(주) (골드랩), (주)한양화학 (GOOD & CHEAP) 등 5개사. PE랩은 크린랩이 유일하다. 이들의 시장분포를 살펴보면 PVC랩이 가정용시장의 80~90%를, 나머지를 PE랩이 차지하고 있다. 영업용은 1백% PVC랩이 점하고 있다.발암물질 시비랩의 종류가 PVC와 PE로 . ...
- 지진 The Earth Trembles과학동아 1989년 04호
- What we need to do, then, is to learn how to make long-range predictions of earthquakes. Suppose we could tell, with good accuracy, that a certain city will be suffer a major earthquake in 55 y ...
