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Ur?ka Vrabic Brodnjak, Adolf Jesih and Diana Gregor-Svetec
The great potential of regenerated cellulose fibers, which offer excellent possibilities as a matrix for the design of bioactive materials, was the lead for our research. We focused on the surface modification of fibers to improve the sorption properties...
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Roger Rowell and Ferry Bongers
Most wood coating tests are done either in a short term artificial weathering chamber or long term on an outdoor rack/fence. In both cases, the coatings are exposed to both ultraviolet radiation and water. This study is focused on the influence of moistu...
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Roger Rowell and Ferry Bongers
Wood exposed to the outdoor environment is susceptible to weathering due to a series of chemical, biological and physical processes. Acetylation of wood is known to reduce cell wall moisture content, improve dimensional stability and durability against f...
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Holivania Maria Pereira Canuto, Marcos Rodrigues Amorim Afonso, José Maria Correia da Costa
Pág. 179 - 185
The sorption isotherms describe the relationship between water activity and equilibrium moisture content of foods at a certain temperature. This work was carried out to study the hygroscopicity of freeze-dried papaya pulp powder with maltodextrin at diff...
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Denis Cantu-Lozano, Juliane Viganó, Alejandro Alvarado Lassman, Norma Alejandra Vallejo Cantu, Javier Telis-Romero
Pág. 717 - 723
The drying of grapefruit seeds, by-products from grapefruit processing, was studied at 40, 50, 60 and 70°C and at three air velocities, 0.6, 1.0 and 1.4 m s-1. Sorption isotherms of grapefruit seeds were obtained at each temperature by the static method ...
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