在不同研究领域，粘度比具有不同的含义。在高分子溶液中，粘度比又叫相对粘度，是对高分子进入溶液后所引起液体粘度的变化的量度。在高分子共混中，粘度比则定义为分散相粘度与连续相粘度的比值，用来表示两相粘度的差异。在油品中，粘度比则表示较低温度下的运动粘度与较高温度下的运动粘度之比。
气油粘度比 gas-oil viscosity ratio
界面粘度比 interfacial viscosity ratio
溶液溶剂粘度比 solution-solvent viscosity ratio ; solution-spun fibers
压力-粘度比 pressure-viscosity ratio ; viscosity ratio
粘度-比重常数 VGC
粘度比重常数 VGC
流体的粘度比 [油气] fluid viscosity ratio
水-油粘度比 water-oil viscosity ratio
湍流粘度比 turbulent viscosity ratio
This paper analyzed the relationship among air permeability,and oil-water viscosity ratio and PVI.
在此基础上,分析了空气渗透率、油水粘度比、注入倍数对驱油效率的影响。
参考来源 - 利用矿场生产资料预测水驱驱油效率方法探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
硫化胶乳的粘度比其生胶乳大，在贮存过程中的变异幅度比生胶乳小。
The viscosity of the vulcanized later was higher than that of raw latex, but the variation degree of the former latex during storage was lower than that of the latter.
规范的粘度比模型表征沥青的流变学特性的年龄混合软化和更新代理人。
A normalized viscosity ratio model was used to characterize the rheological properties of aged bitumen mixed with softening and rejuvenating agents.
新型聚丙烯酸浆料混合浆液粘度比经验配方小，有优良的粘度热稳定性；
The viscosity of Novel poly-acrylic acid mixture size was smaller than experience size and the mixed size has excellent thermal stability, viscosity stability.
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