CuSO4 crystal containing water number usually determine with heating-losing heavy, microwave drying etc.

硫酸铜晶体所含结晶水的测定，常用加热失重、微波加热等方法。

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The activity of protease was inhibited by 0.5% CuSO4 and 0.5% acetic plumbum, but activated by 0.5% NaCl.

硫酸铜和0.5%醋酸铅对红曲蛋白酶有抑制作用，0.5%氯化钠对红曲蛋白酶则有激活作用。

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