Results 31 to 40 of about 5,741 (162)

Hardwoods and Softwoods

open access: yesThe Ballarat Naturalist, 2003
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Basalt FRP Spike Repairing of Wood Beams

open access: yesFibers, 2015
This article describes aspects within an experimental program aimed at improving the structural performance of cracked solid fir-wood beams repaired with Basalt Fiber Reinforced Polymer (BFRP) spikes.
Luca Righetti   +2 more
doaj   +1 more source

MICROSTRUCTURAL AND PHYSICAL ASPECTS OF HEAT TREATED WOOD. PART 1. SOFTWOODS

open access: yesMaderas: Ciencia y Tecnología, 2006
Heat treatment of wood is an effective method to improve the dimensional stability and durability against biodegradation. Optimisation of a two-stage heat treatment process at relatively mild conditions (
M.J Boonstra   +7 more
doaj  

Effects of Morphological Age and Indole-3-Butyric Acid Concentration on Rooting of Selected Robusta Coffee Varieties

open access: yesCoffee and Cocoa Research Journal
In response to the outbreak of Coffee Wilt Disease (CWD) which wiped out almost 50% of Robusta coffee in Uganda, the National Coffee Research Institute (NaCORI) released 10 varieties (KR1-10) which are resistant to the disease. These varieties are being
Godfrey H. Kagezi   +7 more
doaj   +1 more source

Orthogonal cutting forces in juvenile and mature Pinus taeda wood Forças de corte ortogonal na madeira juvenil e adulta de Pinus taeda

open access: yesScientia Agricola, 2005
The distinct characteristics of juvenile and mature woods, which are observed particularly in softwoods, have an influence on processing due to their different mechanical resistance properties in relation to cutting operations.
Raquel Gonçalves, Antônio Carlos Néri
doaj   +1 more source

Precipitation of Lignin from Softwood Black Liquor: An Investigation of the Equilibrium and Molecular Properties of Lignin

open access: yesBioResources, 2015
Extracting lignin from black liquor is an attractive option in modern pulp mills as a unit process for a combined biorefinery. The lignin obtained can be utilized as solid fuel or other high-value added products.
Weizhen Zhu, Hans Theliander
doaj   +1 more source

Optimization of wood machining parameters in cnc routers: Taguchi orthogonal array based simulated angling algorithm

open access: yesMaderas: Ciencia y Tecnología, 2019
In the present study, two mathematical models were developed to optimize the surface roughness for machining condition of Cedar of Lebanon pine (Cedrus libani). Taguchi approach was applied to examine the effect of CNC processing variables.
Ender Hazir, Kücük Hüseyin Koc
doaj  

Investigation on production of ten most important and well worth native hardwood species at forest nurseries of Caspian region of Iran [PDF]

open access: yesتحقیقات جنگل و صنوبر ایران, 2005
Development and rehabilitation are two major factors in the Comprehensive Project of Caspian Forest Conservation of Iran which can be reached by standard seedlings production.
Mohammad Bagher Khodai, Manoochehr Amani
doaj  

Free shrinkage of wood determined at the cellular level using an environmental scanning electron microscope

open access: yesMaderas: Ciencia y Tecnología, 2014
The shrinkage at the cellular level was determined in the transverse plane of wood using an environmental scanning electron microscope (ESEM). The whole procedure is based on pairs of images grabbed with the same imaging conditions (magnification ...
Giana Almeida   +2 more
doaj  

Microstructural and physical aspects of heat treated wood. Part 1. Softwoods

open access: yesMaderas: Ciencia y Tecnología, 2014
Heat treatment of wood is an effective method to improve the dimensional stability and durability against biodegradation. Optimisation of a two-stage heat treatment process at relatively mild conditions (
M.J. Boonstra   +7 more
doaj  

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