d라이브러리
"made"(으)로 총 139건 검색되었습니다.
- 타조알과 인류의 나이과학동아 l1990년 07호
- that is living or was once living, even in hard objects like bones, seashells or eggshells. The protein molecules are made up of a chain of smaller units called amino acids.Amino acids can come ...
- 원자 하나씩과학동아 l1990년 07호
- 이제 우리는 원자들을 이용한 게임을 즐길 수 있다. 원자들을 한번에 하나씩 꺼내 단어를 만들 수 있는 것이다. 지난 4월 IBM의 과학자인 도날드 에이 ... would be more "micro" than ever. We would have small computers that would do far more things in far less time, ...
- 종족의 보존과학동아 l1990년 06호
- 1990년도 초반을 살아가는 우리는 멸종했다는 동물들이 살아있다거나 멸종위기에 처해 있는 동물들을 구해야 된다는 소식을 끊임없이 접하고 있다. 다양한 생명 ... the birds, growing fat and comfortable, might breed. In March one of the kakapos laid an egg, and(ital) that( ...
- 우주의 형성과학동아 l1990년 06호
- surround huge "voids" within which there are practically no galaxies. It is as though the universe were a vast sponge made up of galactic structures surrounding holes.How could the universe hav ...
- 잘못된 경종과학동아 l1990년 05호
- nuclear. The fifth force, it was suggested, had very strange properties.It was reported as weaker than gravitation, made itself felt for only limited distances of a few yards and varied for dif ...
- 작은 꼬인 빛 Tiny Twisty Light과학동아 l1990년 04호
- in astronomy is the "mystery of the missing mass." In January, some astronomers reported that the missing mass may be made visible after a fashion.The missing mass belongs to objects in the Uni ...
- 두 사람과학동아 l1990년 03호
- in France. The Aurignacian culture is associated with modern man, and the tools are much more skillfully and artfully made than are those of the Mousterian culture.l It seems certain that one d ...
- 1990년대의 과학과학동아 l1990년 03호
- this with any certainty, for future developments have a way of slithering out of one's grasp, despite predictions made with logic and rationality. Still, let's make some intelligent guesses.Adv ...
- 화성을 다시 찾다과학동아 l1990년 02호
- body that drove pieces of Mars out into space. The colliding body may have been a comet, and comets are known to be made up, in part, of carbon-containing compounds. In that case, the meteorite ...
- 그것은 유전자 안에 있다과학동아 l1990년 02호
- For one thing, life has existed for about 3.5 billion years . but it is only about 8 billion years ago that organisms made up of many cells formed. Perhaps evolution has not yet perfected the ...
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