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Article
Sorption of water–ethanol mixtures by poplar wood: swelling and viscoelastic behaviour
The swelling of wood upon impregnation by aqueous solutions of organic solvents is larger than swelling by pure water. This phenomenon, described as “hyperswelling”, results from specific interactions with com...
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Article
Contrast Enhancement with a Nonlinear Oscillators Network
In this paper, we propose a contrast enhancement realized with a lattice of uncoupled nonlinear oscillators. We show theoretically and numerically that the contrast of a gray scale image is strongly enhanced e...