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腾讯网
17 小时
香港科技大学李桂君《AFM》:基于电阻抗成像(EIT)实现太阳能水蒸发 ...
淡水资源短缺日益成为一个世界性的严重问题。传统的淡水生产技术拥有诸多缺陷,比如海水淡化需要消耗大量能源,而大气集水产量受到限制。太阳能驱动的咸水蒸发制备淡水技术因其绿色环保的特性,成为解决淡水危机的潜在方案。然而,蒸发器表面的盐分积累始终是提高蒸发效 ...
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14 小时
冰不导电?《哪吒2》里面的物理知识你注意到了吗?
看完热映电影《哪吒之魔童闹海》,你是否留意到一个“物理修仙定律”?在“敖丙馅哪吒”与申正道打得胶着时,物理知识派上用场——“闪电在水里导电!但敖丙的冰是绝缘体!” 冰的结构 ...
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To settle tip theft lawsuit
143K jobs added in January
Trump ending intel briefings
Judge halts Trump's plan
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Head of NARA dismissed
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Shuts down poultry markets
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Oldest rhino in the US dies
Missing Alaska plane found
PlayStation Network outage
Sheriff deputy found guilty
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Approves $50 million fund
Rear-view camera recall
Named FIU interim president
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Passengers evacuated safely
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2nd recipient of pig kidney
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DOJ won't release names
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Sentenced to time served
US on Hezbollah's inclusion
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Court on WI election chief
'Annie Hall' star dies
Hamas releases 3 hostages
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