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"made"(으)로 총 139건 검색되었습니다.
- 재활용 기술과학동아 1994년 01호
- estimate of the value is $11,000 per ton of weapons.At this time, the recycling is going ahead. A weapon's metals are made brittle by immersing in liquid nitrogen, and then demolished with the ...
- 기후와 이산화탄소과학동아 1993년 12호
- carbon dioxide continues. The experiment showed that the larger amount of carbon dioxide decreased soil nutrients and made plants more susceptible to damage. The Swiss scientists believe that t ...
- 꽃가루의 힘과학동아 1993년 11호
- in a very early version of sex.Multicellular organisms package their DNA in chromosomes that split when sex cells are made. Male and female sex cells from plants are no exception to this method ...
- 아주 작은 악한과학동아 1993년 09호
- annua, sweet wormwood, from which the antimalarial artemisian can be extracted. Synthetic artemisian has been made, but like the natural product, is expensive and difficult to get. To provide a ...
- 너무 많이 아는 것?과학동아 1993년 09호
- Physicist Mark Johnson, at Bellcore research labs in New Jersey, has invented a remarkable "spin transistor" made, unlike ordinary silicon chips, of metals that conduct electricity.In the spin ...
- 호박의 비밀과학동아 1993년 08호
- in each. Cell nuclei contain DNA, nature's architectural code for building the organism.Last year two discoveries made the headlines. George Poinar, his son Hendrik, and molecular biologist Rau ...
- 친할 만한 곰팡이균과학동아 1993년 07호
- results.Lately one of the better methods of treating ovarian cancer is to give the patient taxol, an anti-cancer drug made from the bark of Pacific yew trees. Taxol is fiercely expensive and ve ...
- 화성에도 물이?과학동아 1993년 06호
- water than anything else, and each needs a continued supply of water to survive.What is water? It's simple molecule made of two atoms of hydrogen and one of oxygen, but what happens to it is no ...
- 최신기술과학동아 1993년 05호
- something like this to preserve the integrity of containers for nuclear waste products.Efforts are now being made convert waste into useful energy or products. Waste Conversion Systems Inc., in ...
- 아주 높이 있는 먼지과학동아 1993년 04호
- explosion (in the Large Magellanic Cloud) made dust clouds more visible as its light passed through them, and made it easier to calculate their distances. There's more dust in our own ga ...
