[EN] Oxygen permeability, diffusion coefficient of the sodium ions and water flux and permeability in different conventional hydrogel (Hy) and silicone-hydrogel (Si-Hy) contact lenses have been measured experimentally. The ...
Castro, Andrés F.; Valcuende Payá, Manuel Octavio; Vidal, B.(Elsevier, 2015-10)
A non-destructive version of a standard test for concrete permeability has been demonstrated. The
method is based on water penetration depth estimation from near-field microwave measurements using
an open-ended rectangular ...