Zobrazeno 1 - 10
of 176
pro vyhledávání: '"Roger Moya"'
Publikováno v:
ACS Omega, Vol 9, Iss 26, Pp 28093-28104 (2024)
Externí odkaz:
https://doaj.org/article/280de2ac0dea482d9b9531e7d82b406a
Publikováno v:
BioResources, Vol 19, Iss 1, Pp 695-715 (2023)
Short-rotation crop (SRC) systems with woody species have been planted in Costa Rica. However, information about different tree species and spacing is limited. The objective of the present study was to examine biomass production and the physical, ene
Externí odkaz:
https://doaj.org/article/b21e6fb14bea464ba2c18dab273726c5
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 23, Pp 1-12 (2021)
Densification is one method used to modify low-density woods to make them achieve the hardness required for flooring application. The purpose of this study was to investigate the effect of thermo-mechanical densification with pre-heating in wood of A
Externí odkaz:
https://doaj.org/article/f08a1dc84ed54c15b75b80d3f53d14d0
Publikováno v:
Materials, Vol 15, Iss 9, p 3394 (2022)
Magnetic wood is a composite material that achieves harmony between both woody and magnetic functions through the active addition of magnetic characteristics to the wood itself. In addition to showing magnetic characteristics, magnetic wood offers lo
Externí odkaz:
https://doaj.org/article/d0d3dc3f0118447397946b64e388a924
Autor:
Luis Diego MÉNDEZ-MEJÍAS, Roger MOYA
Publikováno v:
Medžiagotyra, Vol 24, Iss 1, Pp 59-68 (2018)
This study evaluated the effect of thermo-treatment (THT) at 4 temperatures on the density, shrinking, mass loss, moisture absorption, color, durability in terms of resistance to decay, flexural strength, tensile adhesion of glue line and the infrare
Externí odkaz:
https://doaj.org/article/0561ab822db846069b780f466ee445db
Publikováno v:
Drones, Vol 5, Iss 2, p 47 (2021)
The main objective of this research was to evaluate the use of unmanned aerial vehicles (UAVs) in estimating the aboveground biomass and carbon, and the dasometric characteristics at three different spacings (2.5 m × 1.0 m, 2.5 m × 2.0 m and 2.5 m
Externí odkaz:
https://doaj.org/article/6b09a685e9844ed68bcba9a6a8427976
Publikováno v:
Coffee and Cocoa Research Journal, Vol 34, Iss 3 (2018)
Shade-trees with energy use in coffee plantations are an important alternative to increase profitability in groforestry systems. The aim of this study was to investigate gross calorific value (GCV) of 15 shade-tree species in coffee plantations in Co
Externí odkaz:
https://doaj.org/article/dd86ca4d82ce4746bc37fd3d8b063ebd
Autor:
Johanna Gaitán-Álvarez, Roger Moya
Publikováno v:
Revista Chapingo: Serie Ciencias Forestales y del Ambiente, Vol 22, Iss 3, Pp 325-337 (2016)
La torrefacción y peletización se han estudiado en la generación de calor a partir de residuos lignocelulósicos, para incrementar las propiedades energéticas del material. El objetivo del presente trabajo fue torrefaccionar aserrín de Gmelina a
Externí odkaz:
https://doaj.org/article/4c986c3e34f34de981ebb91fe681262d
Publikováno v:
Forest Systems, Vol 27, Iss 1, Pp e003-e003 (2018)
Aim of study: Plantations are threatened by an emerging disease called “Gmelina death disease”. The objective of this study was measured the incidence and severity of this disease and were correlated with the characteristics of the plantations, m
Externí odkaz:
https://doaj.org/article/80245fad36dd40f6b3b0c8e3dc2e7abf
Autor:
Freddy Muñoz, Roger Moya
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 20, Iss 1 (2018)
Physical and mechanical properties were evaluated on cross-laminated panels (plywood) fabricated with three plantation species (Cordia alliodora, Gmelina arborea and Vochysia ferruginea) from tropical climates in Costa Rica. The panels were glued wit
Externí odkaz:
https://doaj.org/article/2c37e181281a498888d7e284d2a59b9a