Gatifloxacin eyedrops was prepared with benzalkonium as bacteriostat,NaCl as osmotic-pressure regulating agent and PVP as thickener:The content was determined with HPLC.

以苯扎溴铵剂,氯化钠渗透压调节剂,聚乙烷酮(PVP)增黏剂,制备加沙星滴眼剂;采用高效液相色谱法测定含量。

In this paper,crosslinking Poly Vinylpyrrolidone(PV PP) wassynthesized.Treatment of oolong tea beverage with PVPP and treating con ditions were investigated.

合成了交联聚乙烷酮(PVPP)，研究了PVPP对乌龙茶饮料的处理效果与条件。