The process of synthesis potassium sulfate by phosphogypsum double salt method was studied and improved.

对磷石膏复盐法制备硫酸钾工艺进行了研究和改进。

The invention discloses propofol, phosphate and amino acid double salt and a preparation method and application thereof.

本发明公开了一种丙泊酚磷酸酯氨基酸复盐及其制备方法和应用。

Conclusion Total yields of 60% and 50% could be reached for the preparations of SAM's sulfate salt and double salt of s…

结论 硫酸盐的制备得率（从酵母到成品）可达60％以上，而硫酸、对甲苯磺酸双盐的得率可达50％以上。

It says that because of processed foods, most of us eat double the upper limit of salt.

据说，因为我们食用加工过的食品，我们中的大多数摄入的盐的含量是限制盐的含量的一倍。