условная вязкость(Relative viscosity (a synonym of "viscosity ratio") is the ratio of the viscosity of a solution to the viscosity of the solvent used, wiki – ВУ Alexander Demidov)
условная вязкость(Relative viscosity (a synonym of "viscosity ratio") is the ratio of the viscosity of a solution to the viscosity of the solvent used, wiki , ВУ)