单词 | solar pond |
释义 | > as lemmassolar pond solar pond n. ΚΠ 1961 Sci. News Let. 12 Aug. 106/2 Instead of using vast expanses of expensive mirrors, a solar pond traps heat in shallow water. 1971 Sci. Amer. June 127/1 The hot, salty water is selectively withdrawn from the solar ponds and used to drive a generator. 1979 Nature 11 Jan. 91/2 A solar pond is a water-filled pond, 1–2 m deep, with a blackened bottom for greater heat absorption and a gradually increasing salt concentration towards the base to eliminate convection, which is the main cause of heat loss. < as lemmas |
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