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| Title | Publication | Publish Year |
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Dielectric constant of Turkish timbers in the longitudinal direction at a 9.8-GHz frequency
Applications of microwave techniques in the wood industry have been developed both for treatment and for diagnostic purposes. All these applications require reliable results of the dielectric constant of the […]
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Forest Products Journal | 2004 |
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Dielectric Properties of Douglas-Fir Measured By Microwave Frequencies
A commercial microwave dielectrometer was used to measure the dielectric constant and loss tangent of Douglas-fir specimens at frequencies of 1, 3, and 8.53 GHz (1 GHz equals 10 cycles […]
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Forest Products Journal | 1965 |
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Differences in moisture content and shrinkage between innerwood and outerwood of two shortleaf pine trees
Two shortleaf pine trees (Pinus echinata Mill.) were felled and dissected to provide innerwood and outerwood samples at 15 different heights and different distances along two radii at each height. […]
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Forest Products Journal | 1989 |
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Differences in moisture content and shrinkage between outerwood, middlewood, and corewood of two yellow-poplar trees
Corewood, middlewood, and outerwood samples were obtained from two yellow-poplar trees (Liriodendron tulipifera L.). Disks were taken at various tree heights from each tree and dissected along a north and […]
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Forest Products Journal | 1995 |
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Diffusion of copper and boron from a groundline wrap formulation through Douglas-fir heartwood
The effect of grain orientation and moisture content (MC) on diffusion of copper and boron from a groundline wrap paste was evaluated in small Douglas-fir heartwood blocks over a 1-year […]
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Forest Products Journal | 1992 |
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Diffusion Through Air Filled Capillaries of Softwoods–Part II: Water Vapor
The transverse diffusion coefficient of moisture through wood at low moisture content values is predictable from the diffusion constant of carbon dioxide. At low moisture content values, therefore, moisture movement […]
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Forest Products Journal | 1960 |
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Dimensional stability and mechanical properties of oriented strandboard with microwave-dried flakes in the surface layers
The behavior of oriented strandboards manufactured with flakes dried to various moisture contents using microwave energy was examined. Boards manufactured with surface layers of microwave-dried flakes had slightly greater mean […]
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Forest Products Journal | 2005 |
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Dimensional Stability of Flakeboards as Affected By Board Specific Gravity and Flake Alignment
The objective was to determine the relationship between the variables specific gravity (SG) and flake alignment and the dimensional stability properties of flakeboard. Boards manufactured without a density gradient were […]
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Forest Products Journal | 1982 |
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Dimensional Stability of Oak Flake Board as Affected By Particle Geometry and Resin Spread
The boards used in this study contained 3.27, 6.54, and 13.07 grams of resin solids per square meter. Panels were composed of oak flakes that were 0.006, 0.012, 0.025, and […]
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Forest Products Journal | 1961 |
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Dimensional Stability of Particleboard
This study investigates, on a theoretical basis, lateral dimensional stability of particleboard. The mathematical treatment is confined to flat-pressed boards where the fiber direction of the individual particles is assumed […]
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Forest Products Journal | 1962 |
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Distribution of Moisture in Treated and Untreated Poles
Ten-inch diameter pole stubs of messmate stringybark (Eucalyptus obliqua) were treated with creosote, treated with copper-chrome-arsenic, or left untreated as controls. Their ends were then embedded 3-feet deep in the […]
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Forest Products Journal | 1965 |
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Dry Chips Versus Green Chips as Furnish for Medium-Density Fiberboard
The fiber characteristics and the physical and mechanical properties of medium-density fiberboard (MDF), manufactured with pressure-refined fiber from green and partially dried raw material, were analyzed to determine if dry […]
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Forest Products Journal | 1978 |
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Drying Chemically Treated Scarlet Oak and White Oak Lumber
Although results of study are inconclusive, they indicate that chemical treatment with Morton Lumber Cure (a buffered salt, consisting essentially of sodium chloride and some undisclosed corrosion inhibiting additives) can […]
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Forest Products Journal | 1959 |
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Drying End Point Determination During High-Temperature Drying
Drying end point for slash pine (Pinus elliottii Engelm. var. elliottii) during high temperature kiln drying can be determined by monitoring core temperature of sample boards. This method has been […]
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Forest Products Journal | 1985 |
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Drying Southern Pine At 240 Degrees F–Effects of Air Velocity and Humidity, Board Thickness and Density
In all, 108 kiln loads (24 boards per load) of southern pine lumber were dried at 240?F in an air-steam mixture. Boards were 8 feet long, 4 inches wide, and […]
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Forest Products Journal | 1972 |
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Drying Stresses in Red Oak: Effect of Temperature
The effects of kiln-drying at 80 to 140?F. and controlled room drying at 35 and 80?F. on tensile and compressive stresses, perpendicular to grain, in 2-inch red oak are reported. […]
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Forest Products Journal | 1955 |
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Drying Stresses in Veneer and Their Relief
Flat sawn, planed 1/8-inch check-free veneer samples of Liquidambar styraciflua L. heartwood were subjected to drying at -7? to 360?F. Small microtome knife-sliced layers were evaluated for casehardening stress based […]
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Forest Products Journal | 1961 |
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Drying West Coast Dimension to Meet the New Lumber Standards
A series of kiln-drying studies were made over an 8-year period with the objectives of developing adequate moisture measurement procedures, determining seasoning degrade magnitude and costs, establishing the relationship of […]
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Forest Products Journal | 1971 |
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Drying-Rate Curves for One-Inch Yellow-Poplar Lumber in Low Temperature Forced-Air Dryers
One-inch yellow-poplar sapwood and heartwood can be forced-air dried to 18 percent moisture content within 3.5 days in dryers capable of maintaining 120?F and EMC control of 10 percent. With […]
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Forest Products Journal | 1965 |
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Durability of energy-efficient wood-frame houses
New energy-efficient wood-frame houses experience far more moisture problems than older houses. This article presents evidence that these moisture-caused problems can largely be avoided if the houses are designed, constructed, […]
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Forest Products Journal | 1999 |
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Duration of Load Test for Wet Lumber in Bending
Testing of 210 pieces of 2 x 6 saturated hem-fir was carried out to ascertain the validity of applying the presently employed “duration of load” concept to commercial lumber. It […]
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Forest Products Journal | 1975 |
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Dynamic Viscoelasticity in Hardboard
Two types of hardboard composed of the same kind of fibers but made differently were tested by means of nondestructive dynamic vibrations. The data obtained were analyzed using relations utilized […]
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Forest Products Journal | 1967 |
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Economics of Glued Laminated Structures
Economic factors involving production, detailing, use, and design, affect efficient production and use of glued laminated structural material. Glulam is an important factor in helping timber hold its rightful place […]
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Forest Products Journal | 1956 |
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Edge-Gluing Unseasoned Spruce-Pine-Fir Lumber Using a Preheating Method
Temperature profile curves were measured for both dry and unseasoned western spruce heated in an oven at temperatures of 100?, 125?, 150?, and 175?C. The temperature curves showed the heat […]
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Forest Products Journal | 1983 |
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Edgewise bending properties of laminated veneer lumber: effect of veneer grade and relative humidity
Effects of veneer grade and relative humidity (RH) on the edgewise benign properties of laminated veneer lumber (LVL) were investigated. Five types (based on veneer grade composition) of LVL fabricated […]
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Forest Products Journal | 1997 |