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Salted away

发布时间:2019-03-07 05:07:10来源:未知点击:

OCEANOGRAPHERS are closer to understanding why the sea doesn’t get more salty. More magnesium enters the ocean than is known to leave it, but now Stephanie de Villiers and Bruce Nelson of the University of Washington in Seattle have found that magnesium in seawater is depleted over mid-ocean ridges ( Science, vol 285,