TY JOUR TI The mathematical model of capillary viscometer KW liquid viscosity KW time of reduction level KW capillary tube. JO Actual directions of scientific researches of the XXI century: theory and practice AU Sukhanova, N.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov