Results 221 to 230 of about 26,077 (256)
Some of the next articles are maybe not open access.
Tool wear for lesser known tropical wood species
Wood Material Science and Engineering, 2011Abstract This study investigated the relationship between tool wear and some chemical and physical properties for four different Mozambican lesser known tropical species,: Pseudolachnostylis maprounaefolia (ntholo), Sterculia appendiculata (metil), Acacia nigrescens (namuno) and Pericopsis angolensis (muanga).
Mats Ekevad, Luís Cristóvão
exaly +4 more sources
Identifying the dominant species of tropical wood species using histogram intersection method
IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society, 2015This research is addresses to determine the dominant species that located in the overlapped clusters produced by the Kohonen Self-Organizing Map (KSOM). Before, KSOM algorithm able to cluster the tropical wood species data set effectively and accurately according to the wood features, which is wood pores sizes. Unfortunately, there are seven overlapped
Azlin Ahmad +2 more
openaire +1 more source
Silica content of 36 Brazilian tropical wood species
hfsg, 2012Abstract Microscopic analysis of 36 Brazilian Amazon wood species revealed the presence of silica in 12 species, mostly in the ray cells and a few times in the axial parenchyma and fibers. The average amount of silica in these species varied from 0.07% to 1.6% as quantified by flame atomic absorption spectroscopy (FAAS).
Marcos Antonio Eduardo Santana +4 more
openaire +1 more source
Tropical Wood Species Recognition Based on Gabor Filter
2009 2nd International Congress on Image and Signal Processing, 2009Tropical timber woods have more than 1,000 species. Some of the species have similar patterns with others and some have different patterns even though they are of the same species. One of the main problems in wood species recognition system is the lack of discriminative features of the texture images.
Rubiyah Yusof +2 more
openaire +1 more source
Species Matter: Wood Density Influences Tropical Forest Biomass at Multiple Scales [PDF]
Surveys in Geophysics, 2019 La masa de carbono contenida en los árboles se rige por el volumen y la densidad de su madera. Esto representa un desafío para la mayoría de las tecnologías de teledetección, que generalmente detectan la estructura de la superficie y los parámetros relacionados con el volumen de la madera, pero no con su densidad. Dado que la densidad de la madera está
Rodolfo Vásquez M. +2 more
exaly +6 more sources
Evidence to wood biodeterioration of tropical species revealed by non-destructive techniques
Science of The Total Environment, 2019The wood biodeterioration process is one of the symptoms produced by biotic agents that affect the biomechanics of urban trees and reduce their useful life and environmental services. This process is mainly studied through methods that are time-consuming or destructive and provide little information regarding the degradation process at the cellular ...
Luiz Santini Jr. +4 more
openaire +2 more sources
Physical and mechanical properties of reaction wood of tropical softwood species
European Journal of Wood and Wood Products, 2020The basic properties of compression wood (CW), lateral wood (LW), and opposite wood (OW) in Sumatran pine and Agathis woods were evaluated according to the Korean Standard. CW showed the highest green and oven-dry density, longitudinal shrinkage, shear and compressive strengths but had the smallest green moisture content (GMC) and radial and tangential
Byantara Darsan Purusatama +3 more
openaire +1 more source
Influence of moisture content on the thermophysical properties of tropical wood species
Heat and Mass Transfer, 2019The aim of this work was to investigate the thermal behavior of solid wood used as building materials. Three tropical wood species namely Iroko (Milicia excelsa), Bilinga (Nauclea diderrichii), and Tali (Erythrophleum suaveolens) were chosen.
Rachel Raïssa Ngono Mvondo +3 more
openaire +1 more source
Species richness of tropical wood-inhabiting macrofungi provides support for species-energy theory
Mycologia, 2005A study was undertaken at the El Verde Field Station in Puerto Rico to determine the effect of energy available from newly dead trees on the species richness of macrofungal communities that inhabit them. It is hypothesized that there is a positive relationship between available energy and species richness.
openaire +2 more sources