Number 1 / January 1991

Research Contributions

• Allowable Bending Strength Enhancement of 2 By 4 Lumber By Tension and Compression Proofloading

  Edwin L. Heatwole, Frank E. Woeste, David W. Green

  1-14

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• Fiberboards Made from Acetylated Bagasse Fiber

  Roger M. Rowell, Francis M. Keany

  15-22

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• Polychromatic X-Ray Attenuation Characteristics and Wood Densitometry Applications

  M. L. Hoag, R. L. Krahmer

  23-31

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• Comparison of Three Equations for Predicting Stress Wave Velocity As A Function of Grain Angle

  James P. Armstrong, David W. Patterson, John E. Sneckenberger

  32-43

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• Relationship of Stress Wave- and Static Bending-Determined Properties of Four Northeastern Hardwoods

  Stephen J. Smulski

  44-57

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• Measuring Shear Moduli in Wood with Small Tension and Compression Samples

  Wenjie Zhang, Alan Sliker

  58-68

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• How Overdrying Wood Reduces Its Bonding to Phenol-Formaldehyde Adhesives: A Critical Review of the Literature. Part II. Chemical Reactions

  Alfred W. Christiansen

  69-84

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• Characterization of Chemical Properties and Flow Parameters of Powdered Phenol-Formaldehyde Resins

  Simon C. Ellis, Paul R. Steiner

  85-97

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• Supercritical Carbon Dioxide Extraction of Southern Pine and Ponderosa Pine

  David C. Ritter, Alton G. Campbell

  98-113

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• Moisture Effects on Load-Duration Behavior of Lumber. Part I. Effect of Constant Relative Humidity

  Kenneth J. Fridley, R. C. Tang, Lawrence A. Soltis

  114-127

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• Moisture Sorption and Accelerated Weathering of Acetylated and Methacrylated Aspen

  William C. Feist, Roger M. Rowell, W. Dale Ellis

  128-136

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