This uses special membranes which act as molecular sieves by passing water molecules while holding back the ions, such as sodium and chloride, that make water salty.

其使用一种特殊的过滤膜充当分子过滤器，凭借让水份子通过而留下那些使水变咸的离子，诸如钠和氯化物离子。

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Beams of electrons can help clean water and air by breaking down pollutants into different molecular compounds.

电子束可以把污染物分解成不同的分子化合物，从而帮助清洁水质和空气。

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Any given volume of water contains two types of molecular structures-one a blobby, loosely packed agglomeration and the other a tight, regular arrangement resembling a crystal lattice.

任何给定容量的水包含两种类型的分子结构—一种是点点松散的凝聚体，而另外一种是紧凑规则的类似晶体的组合。

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It damages the nano-sized molecular groups that repel water and dirt, for example.

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The researchers were able to comb a single molecular fibre between two narrowly spaced gold wires, as an evaporating water drop receded across the gap between them.

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That shift rips protons from the molecular chains of Dr Kiser's jelly-like solid, leaving exposed negative charges primed to form bonds with water molecules.

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