This article USES the direct double decomposition method to synthesis zinc gluconate, through adding ethyl alcohol to reduce its watery solution solubility and to obtain its crystal.
采用直接复分解法合成葡萄糖酸锌，通过滴加乙醇降低它在水溶液中的溶解度从而得到它的晶体。
Single crystal of spectinomycin dihydrochloride was cultivated by natural cooling method according to its characteristic of solubility.
根据盐酸大观霉素的溶解度特性，采用自然冷却法培养出单晶。
The solubility curve for cadmium nitrate tetrahydrate (CNT) has been ditermined. the CNT crystal can be grown by slow cooling solution technique.
测定了四水硝酸镉（CNT）溶解度曲线，采用降温法培养出CNT 单晶。
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