锡膏成分和制造 Solder Paste Composition & Manufacturing
石膏成分 Gypsum - Constituents ; Gypsum
石膏成分分析标准物质 Gypsum
石膏为主要成分的岩石 gyprock
采用GC、HPLC相结合的方式对其中不同性质的成分进行研究，可以较为全面地反映东乐膏中的化学组成。
Integration method of GC and HPLC is employed in the study of different character contents and chemical components in Donglegao can be reflected overall.
结果超临界CO2萃取比常规萃取出膏率高，且有效成分含量高。
Results SCF-CO2 extracts out the lotion rate high than the routine, and the content of effective composition is high.
焊锡粉是焊锡膏的主要成分，其质量的好坏对焊锡膏的印刷质量起着至关重要的作用。
Solder powder is the main component of solder paste, and the quality of paste print mostly depend on the solder powder.
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