如何利用凝胶从稀薄的空气中抽出水分
一种由储量丰富的材料制成的新型低成本凝胶膜，即使在最干燥的气候下也能从空气中提取水分；研究人员利用可再生纤维素与一种常见的厨房配料作为主要的亲水（吸水）骨架。
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Here's how water can be pulled out of thin air by using gel
A new low-cost gel film can pull water from the air in even the driest climates. The project is aimed at soldiers but could one day be used at home, say researchers.
Circular Economy
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Nature and Biodiversity
This desalination breakthrough could make clean water cheaper
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Industries in Depth
This new soil can water plants all by itself
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