Results 241 to 250 of about 1,027,486 (283)
Harnessing polyphenols from pulp industry residues of juvenile eucalyptus wood: potential for adhesive applications. [PDF]
Bioresour BioprocessXavier L +4 more
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Springer Series in Wood Science, 1998
Although juvenile wood and its properties were briefly and generally defined in Chapter 1, in this chapter more definitive information is given about the formation and location of juvenile wood. The juvenile wood zone is difficult to define because it is the area from the pith outward where a rapid change in wood properties occurs, prior to the mature ...
Bruce J Zobel, Jerry R Sprague
exaly +2 more sources
Although juvenile wood and its properties were briefly and generally defined in Chapter 1, in this chapter more definitive information is given about the formation and location of juvenile wood. The juvenile wood zone is difficult to define because it is the area from the pith outward where a rapid change in wood properties occurs, prior to the mature ...
Bruce J Zobel, Jerry R Sprague
exaly +2 more sources
Characteristics of Juvenile Wood
Springer Series in Wood Science, 1998There are many characteristics of juvenile wood, described by investigators such as Knigge and Koltzenburg (1965), Foelkel et al. (1976), Thomas (1984), Zobel and Talbert (1984), Krahmer (1986), and Zobel and van Buijtenen (1989). The general attitude of most foresters is that juvenile wood is undesirable.
Bruce J Zobel, Jerry R Sprague
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Differences in wood properties between juvenile wood and mature wood in 10 species grown in China
Wood Science and Technology, 2001This study examined the intrinsic differences in various wood properties between juvenile wood and mature wood in 10 major reforestation species in China. Comparisons between juvenile wood and mature wood were made in both plantation- and naturally-grown trees.
F. C. Bao +5 more
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Characterisation of juvenile wood in teak
Wood Science and Technology, 2001Juvenile wood properties are studied in a ring-porous tropical hardwood – teak (Tectona grandis L. F), to assess the utilisation potential of short rotation timber. Compared to mature wood, it is characterised by wide rings, short fibres, small diameter, low vessel percentage, high cell wall, wide microfibrillar angle and relatively low or almost ...
K M Bhat
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Proportion of juvenile wood of açoita-cavalo, pecan and London plane wood
International Wood Products Journal, 2013This study aims to define the proportion of juvenile wood of acoita-cavalo (Luehea divaricata), pecan (Carya illinoinensis) and London plane (Platanus x acerifolia) wood. Five trees of each species were selected in two regions of a state in the south of Brazil.
Romulo Trevisan +2 more
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Pyridine-catalyst acetylation of pine wood: influence of mature sapwood vs juvenile wood
European Journal of Wood and Wood Products, 2005The aim of this study was to evaluate the effect that chemical modification by means of acetylation may have on juvenile vs mature pine sapwood. The results indicated that juvenile wood had clearly an adverse effect on acetylation; the magnitude of the reduction in WPG in juvenile wood was approximately 50% less than that of mature sapwood.
Antonios Papadopoulos
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Qualification of Wood Adhesives for Structural Softwood Glulam with Large Juvenile Wood Content
Journal of the Institute of Wood Science, 2008AbstractThis paper reports on an experimental study to assess the bond quality achieved when bonding softwood spruce containing large proportions of juvenile wood with a range of conventional wood laminating adhesives. Adhesives examined comprised two phenol resorcinol formaldehydes, a melamine urea formaldehyde, a polyurethane, an emulsion polymer ...
G. Raftery, A. Harte, P. Rodd
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Holzforschung, 2005
Abstract In conifers, juvenile wood (JW) is always associated with compression wood (CW). Due to their similar properties, there is a common belief that JW is the same as CW. To resolve whether JW is identical to CW, 24 rooted cuttings of one loblolly pine clone were planted in growth chambers under normal, artificial bending, and windy ...
Ilona Peszlen +2 more
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Abstract In conifers, juvenile wood (JW) is always associated with compression wood (CW). Due to their similar properties, there is a common belief that JW is the same as CW. To resolve whether JW is identical to CW, 24 rooted cuttings of one loblolly pine clone were planted in growth chambers under normal, artificial bending, and windy ...
Ilona Peszlen +2 more
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STUDY ON THE LONGITUDINAL GAS PERMEABILITY OF JUVENILE WOOD AND MATURE WOOD
Special Topics and Reviews in Porous Media, 2010Kambiz Pourtahmasi +1 more
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