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prediction of wood properties

Prediction of loblolly pine wood properties using transmittance near-infrared spectroscopy

Prediction of loblolly pine wood properties using transmittance near-infrared spectroscopy

... and wood. NIR spectroscopy has successfully been used to characterize wood and fiber prop- erties (Wright et ...the wood properties of wood meal or solid wood (Raymond et ...

9

Quantitative and molecular genetics of juvenile wood traits in radiata and slash/Caribbean pines.

Quantitative and molecular genetics of juvenile wood traits in radiata and slash/Caribbean pines.

... of prediction was poor (r 2 from ...in wood properties, or (b) undertaking a detailed examination of heart-in boards from a production sawmill to define the characteristics of boards that achieve ...

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Feasibility of near-infrared spectroscopy for online multiple trait assessment of sawn lumber

Feasibility of near-infrared spectroscopy for online multiple trait assessment of sawn lumber

... the prediction of several wood properties, such as bending strength and modulus of elasticity, were superior in the moving condition than in the static condition because NIR spectra acquired at ...

8

Rapid assessment of wood chemical properties and pulp yield of Eucalyptus camaldulensis in Thailand tree plantations by near infrared spectroscopy for improving wood selection for high quality pulp

Rapid assessment of wood chemical properties and pulp yield of Eucalyptus camaldulensis in Thailand tree plantations by near infrared spectroscopy for improving wood selection for high quality pulp

... In this study, the feasibility of predicting chemical composi- tion and final pulp yield for Eucalyptus camaldulensis woods in Thailand using NIR spectroscopy was examined. The optimum calibration equations for each ...

5

Preliminary Studies On Reuse Of Industrial Solid Waste- Case Study

Preliminary Studies On Reuse Of Industrial Solid Waste- Case Study

... Compounding of latana wood plastic composites was done using a 28mm co-rotating twin screw extruder. The extruder had six heating barrels. Temperature profile was kept from 150 o c to 165 o c throughout the ...

5

Vibrational properties of harp soundboard with respect to its multi-layered structure

Vibrational properties of harp soundboard with respect to its multi-layered structure

... It was inferred from the calculations that the lower E 0 and greater Q -1 values of veneer in the R direction are the major reasons for the reduced ACE of veneer-rein- forced soundboard. An additional factor was the ...

5

Prediction of Structural and Thermodynamic Properties of Chromen Using Numerical Methods

Prediction of Structural and Thermodynamic Properties of Chromen Using Numerical Methods

... describe the system best especially on these molecules which were the object of this study, because the latter had different attractive effects on donors. Indeed, it was possible to confirm which of the two ...

7

The effect of wood particle size distribution on the mechanical properties of wood–plastic composite

The effect of wood particle size distribution on the mechanical properties of wood–plastic composite

... According to Table 3, the tensile strength of WPC increased from 0 to 30 min of wet milling time. The high- est tensile strength of WPC was found at 30 min. Then, at over 40 min of wet milling time, the tensile strength ...

11

Development of wood and wood ash-based hydroxyapatite composites and their fire-retarding properties

Development of wood and wood ash-based hydroxyapatite composites and their fire-retarding properties

... glass vessel with magnetic stirring under the room tem- perature and accordingly, the milky gel suspension of amorphous HAp with around pH 7 was gained. The obtained precipitate solutions were adjusted to have a Ca/P ...

6

Compressive deformation of wood impregnated with low molecular weight phenol formaldehyde (PF) resin III: effects of sodium chlorite treatment

Compressive deformation of wood impregnated with low molecular weight phenol formaldehyde (PF) resin III: effects of sodium chlorite treatment

... compressed wood, we studied the effects of processing parameters such as resin content, preheating temperature, pressing temperature, and pressing speed on the deformation behavior of PF resin-impregnated ...

5

Suitability of sawdust from three tropical timbers for wood-cement composites

Suitability of sawdust from three tropical timbers for wood-cement composites

... that wood generally contains more holocellulose than lignin, total extractive and ...between wood and cement (Frybort et ...that wood species with low amount of extractives are generally preferred ...

29

STUDY OF MECHANICAL PROPERTIES OF WOOD POLYACRYLONITRILE COMPOSITES

STUDY OF MECHANICAL PROPERTIES OF WOOD POLYACRYLONITRILE COMPOSITES

... This is a mechanical test to measure how easily a matter can undergo deformation under stress. it can be expected that a material which is dense due to the presence of void spaces within the material will undergo ...

5

Effects of quenching on relaxation properties of wet wood

Effects of quenching on relaxation properties of wet wood

... that wood has only two relaxation times, which are regarded as the average relax- ation times in the shorter and longer regions of the broad distribution of the relaxation time for ...

6

Vibrational properties of heat-treated green wood

Vibrational properties of heat-treated green wood

... When the vibrational proper- ties were measured at various moisture contents, the mois- ture contents at the maximum value of Young's modulus and the minimum value o[r] ...

5

Abrasive wear properties of compressed sugi wood

Abrasive wear properties of compressed sugi wood

... 0.12MPa. This E result indicates that the critical grain size effect is observed.. This result suggests that the boundary pressure between type I I and III increases [r] ...

6

Preparation of acetylated wood meal and polypropylene composites II: mechanical properties and dimensional stability of the composites

Preparation of acetylated wood meal and polypropylene composites II: mechanical properties and dimensional stability of the composites

... the wood particles was performed using a high-speed vibration rod mill (CMT, TI-100 type, Tokyo, ...Oven-dried wood particle ...treated wood meal was washed with deionized water, and filtered using a ...

5

Wood Property – Use Relationships for Four Secondary, Lesser-Used Wood Species Growing in Blue Nile State, Sudan.

Wood Property – Use Relationships for Four Secondary, Lesser-Used Wood Species Growing in Blue Nile State, Sudan.

... The glue bond strength was high for goghan and kakamut so they can be used safely for wood-frame buildings if properly seasoned. With their fine textures and figured appearance they can be used in wall paneling ...

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Identification of Quantitative Trait Loci Influencing Wood Property Traits in Loblolly Pine (Pinus taeda L.). III. QTL Verification and Candidate Gene Mapping

Identification of Quantitative Trait Loci Influencing Wood Property Traits in Loblolly Pine (Pinus taeda L.). III. QTL Verification and Candidate Gene Mapping

... Chemical properties were measured by chemical content per unit weight rather than per unit ...Because wood is detected QTL; (2) to obtain accurate estimates of ...

10

Acoustic studies for the non destructive testing of wood

Acoustic studies for the non destructive testing of wood

... At the microscopic level are the cells which constitute the woody tissue. At functional maturity, the majority of cells in both the heartwood and sapwood are effectively dead and do not reproduce. Outside of the sapwood ...

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Relating Breast-Height Wood Properties to Whole-Stem Wood Properties in Loblolly Pine

Relating Breast-Height Wood Properties to Whole-Stem Wood Properties in Loblolly Pine

... Others such as Muneri and MacDonald (1998), used disk, core, and Pilodyn sampling techniques to measure correlated results predicting whole-tree densities for Eucalyptus globulus and E. nitens. One of their objectives ...

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