Search Results - "Leban, J.M"
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Fluorination renders the wood surface hydrophobic without any loss of physical and mechanical properties
Published in Industrial crops and products (01-07-2019)“…[Display omitted] •Fluorination was applied to massive wood.•Covalent grafting of fluorine atoms onto wood surface decreases their hydrophilicity.•The…”
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Automatic knot detection and measurements from X-ray CT images of wood: A review and validation of an improved algorithm on softwood samples
Published in Computers and electronics in agriculture (01-07-2012)“…► A complete algorithm was developed to automatically detect and measure knots. ► An up-to-date and exhaustive review of the literature was done and reported…”
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PithExtract: A robust algorithm for pith detection in computer tomography images of wood – Application to 125 logs from 17 tree species
Published in Computers and electronics in agriculture (01-07-2012)“…► An accurate and robust algorithm was proposed. ► An up-to-date review of the literature was provided. ► The algorithm was tested on a very large sample of…”
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4
Temperature and density distribution in mechanical vibration wood welding
Published in Wood science and technology (2006)“…Nondestructive evaluation of wood joints welded by linear vibration welding was performed with an infrared (IR) thermography technique, which allowed the…”
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5
Fluorination renders the wood surface hydrophobic without any loss of physical and mechanical properties
Published in Industrial crops and products (01-07-2019)Get full text
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6
Intra-annual variations in climate influence growth and wood density of Norway spruce
Published in Tree physiology (01-06-2005)“…Intra-annual radial growth variations of two Norway spruce trees (Picea abies (L.) Karst.) were monitored over 4 years, at four heights up the stem, by means…”
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Automatic detection of the heartwood/sapwood boundary within Norway spruce ( Picea abies (L.) Karst.) logs by means of CT images
Published in Computers and electronics in agriculture (01-09-2007)“…An algorithm that automatically detects the boundary between heartwood and sapwood within fresh Norway spruce ( Picea abies (L.) Karst.) logs was developed…”
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8
Picea abies sapwood width: Variations within and between trees
Published in Scandinavian journal of forest research (01-02-2006)“…This study focused on the amount of sapwood and its variation by means of computed tomographic (CT) imaging. Twenty-four trees were selected from four Norway…”
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Automatic detection of pith on CT images of spruce logs
Published in Computers and electronics in agriculture (01-08-2004)“…Computer tomography is a non-destructive method that can be used to analyze certain characteristics inside logs. Data are acquired in a series of 2-D slices…”
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10
CP-MAS 13C NMR and FT-IR investigation of the degradation reactions of polymer constituents in wood welding
Published in Polymer degradation and stability (01-02-2008)“…The essential chemical modifications involving the polymeric constituents of wood in friction welding occur in the first 5–6 s slowing down or even stopping…”
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11
Three-dimensional profile classification of standing trees using a stereophotogrammetric method
Published in Scandinavian journal of forest research (01-02-2008)“…The three-dimensional (3D) stem profiles of 71 Norway spruce [Picea abies (L.) Karst.] standing trees were assessed visually and by a stereophotogrammetric…”
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Wood welding: A challenging alternative to conventional wood gluing
Published in Scandinavian journal of forest research (2005)“…The recent finding of a new way to assemble two pieces of wood by mechanically induced wood welding opens a new and challenging perspective for producing more…”
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13
Linking growth modelling to timber quality assessment for Norway spruce
Published in Forest ecology and management (1995)“…The aim of this paper is to propose a consistent framework for analyzing the influence of silviculture, site quality and, to some extent, genetics on the wood…”
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14
Determination of Young's modulus for spruce, fir and isotropic materials by the resonance flexure method with comparisons to static flexure and other dynamic methods
Published in Wood science and technology (1996)“…Dynamic methods provide rapid and accurate means to determine Young's modulus, i.e. the modulus of elasticity, of wood. For dry, clear specimens of epicea…”
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15
Modelling the number of rings in individual logs of Norway spruce
Published in Scandinavian journal of forest research (2000)“…In timber production, there is a need to select the right log for a given end - product. To achieve this objective, individual tree characteristics (total…”
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A model for the position and ring eccentricity in transverse sections of Norway spruce logs
Published in European journal of wood and wood products (2001)“…The objective of this work was to model the pith position and the ring eccentricity within the cross-sections when the external shape of the logs is measured…”
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17
The measurement of wood density by microwave sensor
Published in European journal of wood and wood products (01-04-1992)Get full text
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