欧洲冠军联赛

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YOUJIFEISHUICHULIZHENGTAOJIEJUEFANGANDINGZHIZHUANJIA

冷结晶技术

CHANPINJIESHAO:

高盐水结晶的方法一般有2种:一种是热结晶法,它适用于温度对溶解度影响不大的物质。沿海地区“晒盐”就是利用的这种方法。另一种是冷却热饱和溶液法。此法适用于温度升高,溶解度也增加的物质。如北方地区的盐湖,夏天温度高,湖面上无晶体出现;每到冬季,气温降低,芒硝等物质就从盐湖里析出来。
详细介绍

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3)YUANLI

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