d라이브러리
"size"(으)로 총 50건 검색되었습니다.
- 도도새 같은 죽음과학동아 l1990년 11호
- It is a roughly elliptical island, 38 miles by 29 miles and with an area of 770 square miles, about three-fourths the size of Rhode Island.The Portuguese left it unoccupied and the Dutch came ...
- 발 달린 고래과학동아 l1990년 10호
- (the two bones of the lower leg), ankle bones and the bones of three toes.That's very small in comparison to the size of the Basilosaurus itself and the legs can't have had much use. They seem ...
- 원자 하나씩과학동아 l1990년 07호
- in 1896 and in 1923, an American scientist, Arthur H. Compton, showed that it consisted of waves that were about the size of X-ray waves. Electrons, however, could be easily focused and they co ...
- 보다 정확히과학동아 l1989년 11호
- that might give us a still more accurate picture of the universe than now exists.Scientists must therefore measure the size of the charge in both the electron and positron and do so in the most ...
- 20년후-달의 신비를 벗기며과학동아 l1989년 10호
- that was knocked into space was heated to a vapor but it cooled into a mass of innumerable particles of various sizes and these gradually coalesced and formed the moon. Since the moon was forme ...
- 리드프레임 소재과학동아 l1989년 08호
- 강도 및 연신율을 일거에 증가시킬 수 있는 유일한 방법이 바로 결정립 미세화(grain size refinement)이기 때문이다. 이외의 다른 방법들은 모두 강도는 증가시킬 수 있으나 연신율이 떨어지는 단점이 있다. 그 결과 성형성이 불량해지고, 반복되는 응력이나 변형에 의하여 쉽게 파괴된다.결정립을 ... ...
- 초기인류의 언어능력을 말해주는 뼈과학동아 l1989년 08호
- Carmel in Israel, they found the remains of Neanderthal men, including a hyoid bone just about exactly the shape and size of the ones “modern man” possesses. The age of the bone is estimated a ...
- 귀소하는 거북과학동아 l1989년 07호
- groups, but they were far smaller than would be expected of a multi-million-year separation. The difference was of a size that suggested a separation of only 40,000 years rather than 40 million ...
- DNA분자를 처음 보다과학동아 l1989년 06호
- produced by electrons. These electron-waves were much shorter than ordinary light-waves. They were, in fact, about the size of x-ray waves. But where x-ray waves would be extremely difficult to ...
- 예수의 수의과학동아 l1989년 05호
- use to historians and archeologists.What was necessary was to take a small bit of the linen of the shroud, about the size of a postage stamp, clean it and burn it. Carbon dioxide (made up of ca ...
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