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Items for "heartwood"
Bioactive phenolic substances in industrially important tree species. Part 2: Knots and stemwood of fir species
Knots, i.e. branch bases inside tree stems, in fir trees contained remarkably higher concentrations of lignans, oligolignans, and juvabiones than the adjacent stemwood...
Keywords: Abies, fir, flavonoids, heartwood, hydrophilic extractives, juvabiones, knots, knotwood, lignans, oligolignans, phenolic substances, polyphenols, sapwood, sugars
10/2004 | Holzforschung, Walter de GruyterEvaluation of hydrocarbon emissions from heart- and sapwood of Scots pine using a laboratory-scale wood drier
The subject of study is the emission of Volatile Organic Compounds (VOC) during the drying of wood...
Keywords: drying, Emission, heartwood, sapwood, Scots pine, SPME, volatile organic compounds (VOC)
10/2004 | Holzforschung, Walter de GruyterDecay resistance, extractive content, and water sorption capacity of Siberian larch (Larix sibirica Lebed.) heartwood timber
The aim of this study was to find chemical or physical properties of Siberian larch heartwood timber that correlate with the variation in decay resistance...
Keywords: arabinogalactans, decay resistance, extractives, flavonoids, Folin-Ciocalteu, heartwood, hygroscopicity, Larix sibirica, moisture content, taxifolin
01/2006 | Holzforschung, Walter de GruyterAir permeability of aspen veneer and glueline: Experimentation and implications
Extensive experiments were conducted to investigate the transverse (vertical) air permeability of trembling aspen (
Keywords: air permeability, glueline, heartwood, hot pressing, plywood, sapwood, strandboard, trembling aspen, veneer, wood composites
05/2006 | Holzforschung, Walter de GruyterPermeability changes in heartwood of Picea abies and Abies alba induced by incubation with Physisporinus vitreus
The present study shows that isolates of
Keywords: Abies alba, heartwood, Physisporinus vitreus, Picea abies, wood permeability
07/2006 | Holzforschung, Walter de GruyterPrediction of natural durability of commercial available European and Siberian larch by near-infrared spectroscopy
The natural durability of larch wood is described as being highly variable, ranging from non-durable to durable...
Keywords: Coniophora puteana, fibre-optic probe, Gloeophyllum trabeum, heartwood, Larix, near-infrared spectroscopy, natural durability, wood decay
11/2006 | Holzforschung, Walter de GruyterKnotwood as a window to the indirect measurement of the decay resistance of Scots pine heartwood
There is wide variation in the extractive content and decay resistance of Scots pine (
Keywords: decay resistance, heartwood, knotwood, phenolic compound, resin acid, stilbene
08/2007 | Holzforschung, Walter de GruyterDeveloping environmentally benign and effective organic wood preservatives by understanding the biocidal and non-biocidal properties of extractives in naturally durable heartwood
Wood products for exterior residential applications have long been protected with metallic preservatives...
Keywords: antioxidant activity, chromones, decay fungi, flavones, Fe3+ reducing activity, free radicals, fungicidal activity, heartwood, metal chelation, natural durability, organic biocides, wood preservation
05/2008 | Holzforschung, Walter de GruyterAnalysis of wood tissues by time-of-flight secondary ion mass spectrometry
The distribution of lignin, carbohydrates, and metal ions on the surface of spruce and aspen wood tissue sections was investigated by time-of-flight secondary ion mass spectrometry (ToF-SIMS)...
Keywords: aspen, bordered pit tori, carbohydrates, compression wood, field-emission scanning electron microscopy (FE-SEM), heartwood, lignin, Metals, ray parenchyma cells, sapwood, spruce, surface distribution, time-of-flight secondary ion mass spectrometry (ToF-SIMS) images
11/2007 | Holzforschung, Walter de Gruyter