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Mostrando ítems 3502-3521 de 10442
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Effects of adding multiwall carbon nanotubes on performance of polyvinyl acetate and urea-formaldehyde adhesives in tropical timber species
(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
(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 ... -
Effects of thinning on diameter, heartwood, density and drying defects of gmelina arborea
(Universidade Federal de Sao Carlos, 2015)The effect of three levels thinning intensity in Gmelina arborea plantation on tree diameter, heartwood (diameter and percentage), wood density and drying defects (twist, crook, bow and check) was studied. Wood used for ... -
Effects on density, shrinking, color changing and chemical surface analysis through FTIR of Tectona grandis thermo-treated: Density, shrinking, color changing and chemical analysis by FTIR of the thermally-treated teak wood
(Forest Sciences, 2016)Thermal-treatment wood is used as an option to improve durability of wood in recent years. This study evaluated the effect of temperature in thermally treated Tectona grandis wood in density, shrinking, color changing ... -
Eficacia de AVIGLICINA (PINCOR®) en la reducción de la floración naturalmente diferenciada (NDF) en piña (Ananas comosus var. Comosus) HÍBRIDO MD-2 en San Carlos, Costa Rica
(Instituto Tecnológico de Costa Rica, 2016)In Costa Rica, pineapple (Ananas comosus var. comosus) is the second most important product with a performance of 7% of total exports. The forcing process, allows a constant and programmed production of fruit throughout ... -
Eficacia de control de diferentes sustancias sobre caracoles Opeas pumilum y Cecillioides aperta en piña (Ananas comosus. var. comosus)híbrido MD-2 en finca El Tremedal S.A., San Carlos , Costa Rica
(Instituto Tecnológico de Costa Rica, 2017)In the company El Tremedal S.A., located in the province of Alajuela, San Carlos canton, Venice district, MD-2 hybrid pineapple is produced for export as fresh fruit. This experiment aimed to determine the effect of several ... -
Eficacia de la fertilización foliar mediante aeronaves piloteadas a distancia en un sistema agroforestal con Musa textilis (Née)
(Instituto Tecnológico de Costa Rica, 2023)El uso de aeronaves piloteadas a distancia para la fertilización foliar en la familia Musaceae son una tecnología emergente que permite una aplicación más eficiente y precisa de los nutrientes. Musa textilis, mejor ...