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单词 temporary hardness
释义

temporary hardness


temporary hardness

n (Chemistry) chem hardness of water due to the presence of magnesium and calcium hydrogencarbonates, which can be precipitated as carbonates by boiling

temporary hardness


temporary hardness

[′tem·pə‚rer·ē ′härd·nəs] (chemistry) The portion of the total hardness of water that can be removed by boiling whereby the soluble calcium and magnesium bicarbonate are precipitated as insoluble carbonates.
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