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。
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。
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。
The cefixime acid type double salt prepared by the method has the characteristics of high purity and content, good stability, difficult generation of polymers and the like.
通过本发明方法制备的头孢克肟酸式复盐纯度、含量高，具有稳定性好、不易产生聚合物等特点。
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。
The forming relationship of Chlorpoinnoite double borate and hydrated magnesium borate in the salt lakes has been reported slightly.
初步探明该镁硼酸盐复盐与盐湖中其它水合镁硼酸盐的形成有一定的关系。
Main compositions: double strands quaternary amine salt, solubilizing agent, softener and natural antibacterial essential oil.
主成份：新型无毒抗菌剂双链季胺盐、增溶剂、柔软剂、天然抗菌芳香精油。
Methods The salt was dissolved directly by water. The Pb was determined by double-channel hydride generation-atomic fluorescence spectrometry.
方法直接用水溶解食盐，用双光道原子荧光光谱法测定食盐中的铅。
This paper details the feasibility, technical key points, results of application and economic efficiency of salt iodization process through double-position by dry method.
详尽介绍了干式法双位加碘工艺的可行性、技术要点、应用效果及所产生的经济效益。
The company provides electronic double-digital display tension spring, compression spring, torsion spring testing device, prijector, sclerometer, and salt spray tester.
电子双数显拉簧、压簧、扭簧测试仪器、投影仪、硬度计、盐雾测试机等。
Suspension quantitative germicidal test was used to observe the disinfection property of double-chain quaternary ammonium salt disinfectant.
采用悬液定量杀菌试验对复合季铵盐消毒剂的消毒性能进行了观察。
Suspension quantitative germicidal test was used to observe the disinfection property of double-chain quaternary ammonium salt disinfectant.
采用悬液定量杀菌试验对复合季铵盐消毒剂的消毒性能进行了观察。
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