1. Viscosity indexViscosity index (VI) is an arbitrary measure for the change of viscosity with temperature. It is used to characterize lubricating oil in the automotive industry. The viscosity of liquids decreases as temperature increases. The viscosity of a lubricant is closely related to its ability to reduce friction. Generally, the least viscous lubricant which still forces the two moving surfaces apart is desired.
Read “Viscosity index” on English Wikipedia
Read “粘度指数” on Japanese Wikipedia
Read “Viscosity index” on DBpedia
Read “Viscosity index” on English Wikipedia
Read “粘度指数” on Japanese Wikipedia
Read “Viscosity index” on DBpedia
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