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

合联聚乙烯吡咯烷酮(PVPP)，研究PVPP对乌龙茶饮料的理效果与条件。

The paper is a study of the rheologic character of phosphate di-starch which is using sodium trimetaphosphate and phosphorus oxycholride as crosslinking agent by rotating viscometer.

研究以三偏磷酸钠和磷酰联剂制的凝胶淀粉。