d라이브러리
"sun"(으)로 총 100건 검색되었습니다.
- 피부와 태양과학동아 l199306
- Australia says to keep pets indoors when the sun's ultraviolet is at its worst-between 11 a.m. and 3 p.m.Pets lick off sunscreen creams. Don't lick off your own.최근 '네이처'지의 다이달로스 칼럼에서 데이비 ...
- 아주 높이 있는 먼지과학동아 l199304
- since the earliest days of our solar system. Other cosmic dust particles may have come in from the space between our sun and other stars.The many unanswered questions about cosmic dust include ...
- 먼지의 영향과학동아 l199304
- years. In 1815, when Tambora erupted in what is now Indonesia, the Northern Hemisphere experienced such a decrease in sunlight that it was known as the year without a summer.Dust alters human l ...
- 낮과 밤의 리듬과학동아 l199301
- plowing. During the day, weeds began growing ferociously, because it apparently takes only one-fourth of a second of sunlight to stimulate the weed seeds' photoreceptors and trigger germination ...
- '파이어니어'와의 안녕과학동아 l199212
- do so. This year there have been many scientific articles about the Venus data.Venus is the second planet out from the sun, and only slightly smaller than the third planet, Earth. The ancients ...
- Out Of The Sun 태양으로부터과학동아 l199211
- to find fewer than had been expected from the "standard model" theories about how main sequence stars like the sun work. Scientists worried that the standard model would have to be discarded. T ...
- 당신의 충실한 조수 마이크로프로세서과학동아 l199211
- 컴퓨터가 부팅되면서 여러분에게 다음과 같이 날짜와 시간을 물어본다.CURRENT DATE IS SUN 11-01-1992 ENTER NEW DATE(mm-dd-yy)：그러면 여러분은 콜론(:) 다음에 날짜를 입력하면 된다. 형식은 월-일-년의 순으로 집어넣는다. 그리고 이와 비슷하게 시간에 대해서 물어 보는데 역시 콜론이 나오면 그 다음에 현재 ...
- 밝은 성단(星團)과학동아 l199208
- sky, fostering sun-god myths appropriated by less pagan religions and by earthly monarchs. They did not know that our sun is just another star, moving alone with its planets, or that out ...
- (1) 효능 입증안된 것이 대부분과학동아 l199206
- 피부과)는 말한다.자외선차단제가 함유된 여름화장품을 보면 자외선차단지수(SPF, sun protection factor)가 명기돼 있다. 간혹 숫자만 적혀 있는 경우도 있는데 대개 그 수가 SPF다.SPF란 맨 살로 햇빛아래 15분간 노출됐을 때 그을리는 정도를 기준(1)삼아 제품별로 그을리는 시간을 반비례로 계산해 지수를 ... ...
- 멀리있는 실상과학동아 l199205
- gets more interesting every day as our ability to distinguish dim objects grows.. Stars 10,000 times dimmer than our Sun have been found, one fairly close (only eight times further out than Alp ...
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