d라이브러리
"water"(으)로 총 127건 검색되었습니다.
- 지진은 도처에서과학동아 l199408
- faults in Manhattan island. Most of the tall buildings are anchored in bedrock, but if Manhattan is shaken badly, water mains and sewer pipes will probably break and windows will shatter. My on ...
- 재활용 기술과학동아 l199401
- Scientists such as Christopher G. Fox, of the National Oceanic and Atmospheric Administration, can now use the underwater microphones to pick up many other sounds, from deep-sea volcanic erupti ...
- 기후와 이산화탄소과학동아 l199312
- of microscopic plants called algae.According to a theory developed by the late John Martin of Moss Landing, ocean water rich in other nutrients but deficient in iron will not be as biologically ...
- 꽃가루의 힘과학동아 l199311
- land plants, even simple mosses, keep their eggs inside the original plant, and the sperm cells must travel through water or air to fertilize the eggs. If using air, more evolved plants package ...
- 강 여행과학동아 l199311
- tend to worry about the increasing numbers of these hungry birds. Bones regurgitated by cormorants living near fresh water were recently studied by the U.S. Fish and Wildlife Service. Cormorant ...
- 화산·얼음·물과학동아 l199308
- if the pyroclastic flow from an undersea volcano is moving fast enough, its glass shards and pumice will not mix with water but be welded together.Then there are the coastal volcanoes to worry ...
- 모두를 위한 남극과학동아 l199307
- directly, and so do fish which the carnivores - seals and birds - prey upon.The Weddell seals that live in Antarctic waters are particularly important. American anesthesiologist Warren M. Zapol ...
- 화성에도 물이?과학동아 l199306
- banged into Mars, depositing water. Or maybe there's more water down under. Nobody knows for sure.So never think water in ordinary. There's always something new to be learned.모든 생 ...
- 최신기술과학동아 l199305
- National Laboratory, near Chicago. The plastic is lactic-a-cid-based, which means that if it's exposed to sunlight or water it will decompose harmlessly. Making the plastic will also help dispo ...
- 먼지의 영향과학동아 l199304
- overgrazing rendered the soil so fragile that when severe drought hit the plains states in 1930, doom struck. With no water, crops died, and there was nothing to hold the soil. By 1933, fertile ...
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