The scientific name for common salt is sodium chloride.

氯化钠是普通盐的学名。

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Were they salt domes such as are common along the United States Gulf Coast, and if so, why should there have been so much solid crystalline salt beneath the floor of the Mediterranean?

它们是在美国墨西哥湾沿岸的那种很常见的盐丘吗？如果是的话，为什么地中海海底会有这么多坚硬的结晶盐呢？

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The most common type of membrane separation is called reverse osmosis. Seawater is forced through a semipermeable membrane that separates salt from water.

最常见的膜分离形式被称为反渗透，即海水在被迫通过半透膜的时候分隔出盐。

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In the right circumstances these channels will allow the passage of sodium ions (the liquid to be investigated must have these added in the form of sodium chloride, or common salt, if they are not present naturally).

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The list includes several vitamins and inorganic minerals as common as salt and as rare as selenium or iodine.

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Tapioca stands are common, as are those selling corn on the cob, coated in melted butter and sprinkled with salt.

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