viscosity index improvers是什么意思

用法例句

Comprehensive method for analysis of composition of lube oil viscosity index improvers;

润滑油黏度指数改进剂组成的综合分析方法

Enzymatic modification of soy protein isolate to obtain hydrolysate with low viscosity and weaker gel strength;

酶改性制备低黏度弱凝胶型大豆分离蛋白

Conversion ratio determination of transesterification with viscosity method;

黏度法计算酯交换反应的转化率

Effect of production process parameters on viscosity of polyvinyl acetate latex;

生产工艺参数对聚醋酸乙烯酯乳液黏度的影响研究