Listar Escuela de Ingeniería Forestal por autor "Rodríguez-Zúñiga, Ana"
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Aplicaciones de nanotecnología en el reforzamiento de maderas comerciales de Costa Rica (Documento I)
Moya-Roque, Roger; Tenorio-Monge, Carolina; Rodríguez-Zúñiga, Ana (Instituto Tecnológico de Costa Rica. Vicerrectoría de Investigación y Extensión (VIE). Escuela de Ingeniería Forestal, 2015)Este informe contiene 7 artículos del tema -
Biopulp from pineapple leaf fiber produced by colonization with two white-rot fungi: Trametes versicolor and Pleurotus ostreatus
Rodríguez-Zúñiga, Ana; Rodriguez-Solis, María; Villalobos-Barquero, Verónica; Vega-Baudrit, José; Moya-Roque, Róger; Berrocal-Jiménez, Alexander; Starbird-Pérez, Ricardo (BioResources, 2016)Trametes versicolor and Pleurotus ostreatus were used for the biopulping from pineapple leaf fiber (PALF). PALF substrate was subjected to T. versicolor for 2 to 6 weeks and to P. ostreatus for 4 to 8 weeks. The yields, ... -
Effects of adding multiwall carbon nanotubes on performance of polyvinyl acetate and urea-formaldehyde adhesives in tropical timber species
Rodríguez-Zúñiga, Ana; Vega-Baudrit, José; Moya-Roque, Róger (Hindawi Publishing Corporation, 2015)Multiwall carbon nanotubes (MWCNTs) functionalized with hydroxyl groups (MWCNTs-OH) have been incorporated into polyvinyl acetate (PVAc) and urea-formaldehyde (UF) adhesives utilized in tropical wood gluing. The Raman ... -
Effects of adding nano-clay (montmorillonite) on performance of polyvinyl acetate (PVAc) and urea-formaldehyde (UF) adhesives in Carapa guianensis, a tropical species
Rodríguez-Zúñiga, Ana; Vega-Baudrit, José; Alvarez, Vera; Moya-Roque, Róger (Elsevier Ltd, 2015-06)The aim of this study was to improve the bond strength resistance of polyvinyl acetate (PVAc) and urea-formaldehyde (UF) adhesives modified with nano-clay (montmorillonite) with a tropical species of wood known to exhibit ... -
Pellets Evaluation Made from Tropical-Climate Agricultural and Forestry Crops of Costa Rica with a Domestic Stove
Rodríguez-Zúñiga, Ana; Valdez, Juan; Valaert, Jorre; Moya-Roque, Róger; Tenorio-Monge, Carolina (Springer Netherlands, 2015-12)The present study shows the results of the evaluation of the pellets made from two forestry crops and eight agricultural crops in Costa Rica by employing a 50 kW domestic stove. Methods: The following variables were ...