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d라이브러리
"useful"(으)로 총 37건 검색되었습니다.- 쓰레기과학동아 1992년 09호
- has patented a sort of space broom to sweep up orbiting debris, and the work is on to make it do this selectively, so useful things will remain in orbit.While we worry about the garbage piling ...
- 기막힌 풀러렌과학동아 1992년 08호
- inside a big carbon molecule? Depending on what's inside, these fullerenes may make good chemical catalysts or have useful magnetic properties. It's also hoped that medicines coated this way co ...
- 오늘날의 로봇과학동아 1992년 07호
- sizes or viewed at different angles.Joseph F. Engelberger's Transition Research Corporation specializes in robots useful to ordinary human beings. While they are also busy improving robot visio ...
- 타이탄의 대기과학동아 1992년 02호
- is so far away that to go there, collect the ethane and bring it anywhere in the inner solar system where it might be useful would be prohibitively expensive. Perhaps we will someday figure out ...
- 이빨이 말해주는 것과학동아 1992년 02호
- of small animals. It showed that a group of early primates lived primarily on hard insects. This sort of thing is useful in trying to work out the evolution of the human species.These are examp ...
- 왜 소행성들을 관찰하는가?과학동아 1992년 01호
- they would be much more easily reached than, say, Mars, if we ever truly develop space travel. If so, they can be very useful as a source of minerals and metals. Because of the asteroids' insig ...
- 대규모 탐색 작업과학동아 1991년 11호
- United States the service of three of the Soviet Union's largest radio telescopes.If this happens, it would be very useful, but like all agreements discussed between the Soviet Union and the Un ...
- 배타의 원리과학동아 1991년 03호
- and Pauli's rule was therefore called the exclusion principle.The exclusion principle turned out to be extraordinarily useful. It explained the properties of all the different atoms, in connect ...
- 발 달린 고래과학동아 1990년 10호
- though, that the legs were primarily used to hold the female during copulation. If so, it may be that they were useful only to male Basilosauri and are smaller, or absent, in females. It would ...
- 슈퍼 다이아몬드과학동아 1990년 10호
- of all transparent substances, diamond is least likely to be damaged by radiation, which means that it could be very useful in devices involving laser beams.It would be nice if you could get s ...
