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Filtering by: Subject Southern pines -- Testing Remove constraint Subject: Southern pines -- Testing Academic Affiliation Forest Products Remove constraint Academic Affiliation: Forest Products

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  • Detection of defects in wood by ultrasonics

    Creator:
    Gimenez, Ramon Gonzalez
    Abstract:
    Ultrasonic wave attenuation and velocity in the transverse direction were used to detect defects in ponderosa pine (Pinus Ponderosa) lumber previously dried from green to 9% moisture content. After ultrasonic testing the boards were visually inspected for defects and classified according to the defects present. An ANOVA with Bonferroni pairwise...
    Resource Type:
    Masters Thesis
    Full Text:
    the transverse direction were used to detect defects in ponderosa pine (Pinus Ponderosa) lumber

  • Extraction of proteins from wood samples colonized by bioprotectants and/or stain fungi

    Creator:
    Cui, Li
    Abstract:
    Biological stain (blue stain) reduces wood value and prevents its use in many structural applications. Increasing environmental concerns have restricted the chemicals available for controlling this damage. As a result, biological control has received more interest. The application of these systems to wood has been limited due to their inability...
    Resource Type:
    Masters Thesis