随着大量的水通过蒸发被抽离，并以雪的形式沉淀形成冰川冰，海洋中氧同位素的比率就发生了变化。
The oxygen isotope ratio of the ocean changes as a great deal of water is withdrawn from it by evaporation and is precipitated as snow to form glacial ice.
此外，当它的使命结束后，高铁酸盐中的铁离子也会以氧化铁的形式沉淀，过滤后就是洁净的水了。
Moreover, once it has done its job, the iron in ferrates precipitates too, as iron oxide, leaving pure water behind.
在溶液干燥的过程中，布兰登及其同事要把形成中所遇到的问题记录下来，通过沉淀多层纳米晶体，最终发现了最适合的形式。
Brandon and his colleagues discovered that by depositing multiple layers of nanocrystals they can fill in any defects formed during the drying process.
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