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"rate"(으)로 총 51건 검색되었습니다.
- 귀소하는 거북과학동아 1989년 07호
- and end up at the wrong beaches. They breed and mix their nucleic acids with those who belong there. Even a small rate of "leakage" of this sort would wipe out most of the difference.The other ...
- 마지막 남은 청정지역과학동아 1989년 06호
- that, in cold water, the evaporation and degradation of the spill is slowed. And, at cold Antarctic temperatures, the rate of evaporation and degradation may be only one-one hundredth what it i ...
- 예수의 수의과학동아 1989년 05호
- varieties can be separated. The carbon 14 is obtained and its quantity measured sured carefully by judging the rate at which it is breaking down and producing particles.The results in th ...
- 물이 많아지고 더워진다과학동아 1989년 02호
- And yet far from doing this, we are doing the opposite. The forests of the Earth are being chopped down at a huge rate, espacially in tropical countries such as Brazill. This must be stopped. I ...
- 우주 오염과학동아 1988년 12호
- to prevent as many explosions and collisions as possbile― and certainly stop any project that involves the deliberate destruction of satellites.But that only slows the increase of danger. It do ...
- 윤초(閏秒)과학동아 1988년 06호
- records just gives us a notion how the rotation rate slows down on the average. How do we measure the rotation rate of Earth from day to day? For that we need a clock that moves more ste ...
- 가장 생명력이 강한 것과학동아 1988년 03호
- though every person's hand is against them.The vast turnover in numbers means that evolution proceeds at an enormous rate among insects, so that new species with new characteristics are being ...
- 우리의 옛 선조들과학동아 1987년 12호
- common element potassium in them.Certain potassium atoms are radioactive and break down to inert gas argon at such a rate that half the potassium in gone in 1.3 billion years. By measuring the ...
- 연료만들기과학동아 1987년 10호
- and eventually our reserves of coal, oil and gas will be spent. Nor can we then return to wood, for at our present rate of use the forests will quickly be wiped out.In addition, the fuels we u ...
- 가장 오래된 것과학동아 1987년 10호
- the geologists were satisfied.It didn't stop there, however. Astronomers kept making more refined measurements of the rate at which galaxies were receding and making subtle observations that t ...
