"Qualified" . "VISCOSITY" . "VISCOSITY" . "RDS357614" . "Dynamic Viscosity. tau xz= eta (delta(vx)/delta(z)) where tau xz is the shear stress (shear force pr. unit area) in a fluid moving with a velocity gradient dvx/dz perpendicular to the plane of shear." . "u82237" . "2001.10.12" . .