而且他们想用一种柠檬酸的可溶性盐，他们本可以用钠，也可以用钾。

And they wanted to use a soluble salt of citric acid, so they could have used sodium, they could have used potassium.

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此外，还考察了擦洗对硼矿富集的影响，结果表明擦洗可以有效去除柱硼镁石矿中的可溶性盐，改善了浮选效果。

The XRD characterization and chemical analysis of boron concentrates and tailings showed that pinnoite and calcined gypsum has been basically separated through reverse flotation.

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重离子辐照的高分子有机膜，经过适当的处理，可以作为模板制备金属和可溶性盐纳米线，此方法称为离子径迹模板法。

The polymer foils irradiated by heavy ions can be used as templates to prepare metallic nanowires and some inorganic salt nanowires. It is called "ion-track template method".

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And they wanted to use a soluble salt of citric acid, so they could have used sodium, they could have used potassium.

而且他们想用一种柠檬酸的可溶性盐，他们本可以用钠，也可以用钾。

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