Index Catalog // ScholarsArchive@OSU

The effects of tree position and silvicultural practices on treatability of Douglas-fir lumber

Creator:: Hong, Seungdo
Abstract:: In spite of the lack of accurate information about the treatability of western wood species with waterborne wood preservatives, consumption of these products continues to increase. Western wood species, notably Douglas-fir, are notoriously difficult to treat with waterborne systems, yet there is relatively little data on the effects of wood...
Resource Type:: Masters Thesis
Full Text:: ) chemical assay retention or C) preservative penetration. Bars with the same letter(s) are not significantly

Application of Infrared Spectroscopy for Determination of Wood Natural Durability

Creator:: Lipeh, Shahlinney
Abstract:: Natural durability remains one of the most attractive characteristics of wood, and helps wood obtain a premium price. A worldwide shift towards the use of younger trees from intensively managed forests has created greater concerns about wood quality, especially the wood’s resistance to fungi and insects. Wood durability is assessed...
Resource Type:: Dissertation
Full Text:: guiding me in every step of my writing process.  Committee members Dr. Darrell W. Ross, Dr. Seri C

Modeling changes in flexural properties of softwood beams during fungal decomposition

Creator:: Mitsuhashi Gonzalez, June M.
Abstract:: Moisture intrusion in residential structures can lead to substantial fungal decay and this damage costs billions in repair/replacement costs. The extent of damage and the rate at which it occurs are primarily dependent on the wood moisture content and temperature in the structure. Determining the risk of decay for various...
Resource Type:: Dissertation
Full Text:: . ............................................................................ 7 c) White-rot fungi

Potential utilization of western juniper residues

Creator:: Sichamba, Kennedy
Abstract:: Logging and forest thinning operations generate large amounts of residues in the form of small trees, branches and foliage that are usually left on the ground to decay or are burned. These resources are readily available, but it is uneconomical to remove them from the forest. The potential utilization of...
Resource Type:: Masters Thesis
Full Text:: Nicholas, 2001; Bakkali, 2 2008). Identifying the active oil components can contribute to

Environmental effects on heartwood extractive content and their consequences for natural durability in Douglas-fir and western redcedar

Creator:: Taylor, Adam McVaugh, 1969-
Abstract:: Heartwood can have properties that are distinct from sapwood, including resistance to insect and microbial attack. Despite the practical importance of heartwood formation in trees, a review of the literature revealed that little was known about the effects of environmental factors on heartwood quality or how variations in heartwood properties...
Resource Type:: Dissertation
Full Text:: interact synergistically (Schultz et al. 1995; Shultz and Nicholas 2002). Finai!y, some species (e.g

The effects of supercritical CO₂ on the bending properties and treatment defects of four refractory wood species

Creator:: Anderson, Matthew E.
Abstract:: It is difficult to treat the heartwood of many wood species with liquid preservatives using conventional liquid processes. Supercritical fluids (SCF) used as carriers of preservatives to impregnate refractory wood species may be an attractive alternative to conventional liquid carriers. While SCF impregnation has many potential advantages, some wood species...
Resource Type:: Masters Thesis
Full Text:: temperature (60 °C) and one treatment time (30 min.). SCF treatment of yellow poplar produced no significant

Potential for Using Boron Compounds with Differing Water Solubilities in Pastes for Remedial Treatment of Utility Poles

Creator:: Uysal, Selim
Abstract:: Boron and boron compounds have been long used for pressure treatment, dip-diffusion, and remedial treatments of wood because of their proven efficacy against fungi and insects. These materials are especially attractive because their high water solubility promotes deeper penetration into wood. Other useful properties of boron include its neutral pH,...
Resource Type:: Masters Thesis
Full Text:: Appendix C. Raw Data Tables ........................................................................ 182

Performance of copper based biocides in potentially copper tolerant soils

Creator:: Chang, Andrew B.
Abstract:: Copper is an excellent biocide which has a long history of usage for protecting wood from deterioration, but some organisms have developed tolerance for this chemical. Copper tolerance among wood decay fungi is a poorly understood phenomenon that is gaining importance as cofactors such as arsenic and chromium are removed...
Resource Type:: Masters Thesis
Full Text:: modest amounts of copper are needed for energy transfer in respiration. Cytochrome C, oxidase CuA and

Groundwater and stormwater treatment at western wood preserving facilities : an analysis of current treatment methods

Creator:: Ragan, Anita M.
Abstract:: The Pacific Northwest is blessed with an abundance of precipitation. This rainfall, however, can have important consequences for industries that must process the resulting stormwater for proper discharge. This is particularly true of wood treatment facilities. Past management practices at wood preserving facilities located in the Western United States create...
Resource Type:: Masters Thesis
Full Text:: the US (Nicholas, 1973). Wood treatment introduces pesticides into the structure of the wood

Characterization of Fungal Communities in Selected Wood Species by Field Exposure Tests

Creator:: Torres-Andrade, Paola A.
Abstract:: Fungi are the primary biological agents of wood deterioration and cause major economic losses of wood products globally. Wood in outdoor applications tends to remain wet for extended time periods, making it susceptible to fungal attack. Understanding the factors involved in fungal colonization of wood is important for developing improved...
Resource Type:: Dissertation
Full Text:: . Environmental gradients were: average monthly precipitation (mm), average monthly temperature (°C) and average

ScholarsArchive@OSU

The effects of tree position and silvicultural practices on treatability of Douglas-fir lumber

Application of Infrared Spectroscopy for Determination of Wood Natural Durability

Modeling changes in flexural properties of softwood beams during fungal decomposition

Potential utilization of western juniper residues

Environmental effects on heartwood extractive content and their consequences for natural durability in Douglas-fir and western redcedar

The effects of supercritical CO₂ on the bending properties and treatment defects of four refractory wood species

Potential for Using Boron Compounds with Differing Water Solubilities in Pastes for Remedial Treatment of Utility Poles

Performance of copper based biocides in potentially copper tolerant soils

Groundwater and stormwater treatment at western wood preserving facilities : an analysis of current treatment methods

Characterization of Fungal Communities in Selected Wood Species by Field Exposure Tests

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