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Effect of waterborne preservative treatments on allowable stress design values

Creator:: Winandy, Jerrold E.
Resource Type:: Dissertation
Full Text:: address problems with CCA-preservative systems. LITERATURE CITATIONS Mickelwright 1990. Wood

Interactions of ammoniacal copper zinc arsenate (ACZA) wood preservative with Douglas-fir

Creator:: Lebow, Stan T.
Abstract:: The use of the waterborne wood preservative, ammoniacal copper zinc arsenate (ACZA), is likely to increase in the near future because of environmental concerns associated with oilborne preservatives. Developing an understanding of the permanence of this preservative in wood will become important from both environmental and performance standpoints. Conventional thinking...
Resource Type:: Dissertation

Microfungi of preservative treated Douglas-fir poles before and after fumigant treatment

Creator:: Giron, Magdalena Y.
Abstract:: See pdf
Resource Type:: Dissertation

Distribution of preservative chemicals in flakeboard and its effect on board properties and fungal deterioration

Creator:: Jeihooni, Asghar
Abstract:: Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] lumber was converted to flakes, which were dip treated with three concentrations each of copper chrome arsenate Type C (CCA-C), and disodium octaborate tetrahydrate (TIM-BOR). Azaconazole [1-[{2-(2,4-dichloropheny1)-1,3- dioxolan-2-yl}methyl]-1H-1,2,4-triazole] was used as powder. The flakeboard panels (305 x 304 x 13 mm) were made using phenolformaldehyde...
Resource Type:: Dissertation

Model and procedure for determination of strength and stiffness of wood studs

Creator:: Fernandez, Virgilio Asuncion
Abstract:: Elasticity properties of wood studs are essential inputs for the structural analysis of wood-stud wall systems. A theoretical procedure was developed to determine the probability distributions for the deflection-load relations of stud samples. The procedure is based on the finite element analysis and a Monte- Carlo type simulation and accounts...
Resource Type:: Dissertation
Full Text:: AND PROCEDURE FOR DETERMINATION OF STRENGTH AND STIFFNESS OF WOOD $TUDS Abstract approved

Supercritical fluid impregnation with biocides of wood using temperature reduction

Creator:: Kang, Sung-Mo
Abstract:: Supercritical fluid (SCF) impregnation is a promising preservative treatment method, however, the development of SCF processes has been slowed by a limited understanding of the process. Developing a better understanding of the effects of various process parameters on treatment results would allow for a more rational development of SCF impregnation....
Resource Type:: Dissertation
Full Text:: durable or preservative treated wood exhibits remarkable resistance to deterioration, and can be

Interactions of the fumigant methylisothiocyanate with Douglas-fir wood and their influence on fumigant effectiveness

Creator:: Zahora, Andrew Roy
Abstract:: Experiments investigated how the fumigant methylisothiocyanate (MIT), Douglas-fir wood at various moisture contents (MC), and the wood decay fungus Poria carbonica Overh., interacted to govern overall fumigant effectiveness. MIT decomposed in wood to form non-MIT residues at rates of about 0.16%, 0.9%, and 1.6% of the total bound MIT per...
Resource Type:: Dissertation

Establishment of Poria carbonica in wood and colonization by basidiomycetes of Douglas-fir utility poles during air seasoning

Creator:: Przybylowicz, Paul
Abstract:: Influence of temperature and wood moisture content on spore germination and colonization of Douglas-fir (Pseudotsuga jnenziesii) heartwood by Poria carbonica basidiospores and chlamydospores was studied. Both spore types germinated and colonized wood at moisture contents above the fiber saturation point, but not below. Germination and wood colonization occurred at 22°C...
Resource Type:: Dissertation
Full Text:: ). However, decay fungi present in the wood before preservative treatment may survive some low-temperature

The stress-strain relationships in wood and fiber-reinforced plastic laminae of reinforced glued-laminated wood beams

Creator:: Tingley, Dan A., (Daniel Arthur), 1954-
Abstract:: The reinforcement of wood and wood composite structural products to improve their mechanical properties has been in practice for many years. Recently, the use of high-strength fiber-reinforced plastic (FRP) as a reinforcement in such applications has been commercialized. The reinforcement is manufactured using a standard pultrusion process or alternatively a...
Resource Type:: Dissertation

Inactivation of Clostridium perfringens in Meat Products

Creator:: Alnoman, Maryam M.
Abstract:: Clostridium perfringens type A strains are one of the main causative agents of gastrointestinal (GI) diseases in human and can cause both food poisoning (FP) and non-food-borne (NFB) diseases. Several factors contribute to the pathogenesis of C. perfringens type A strains including the wide presence of C. perfringens spores with...
Resource Type:: Dissertation
Full Text:: ; Tompkin, 2005). For example, nitrite is a chemical preservative that has been shown to effectively

ScholarsArchive@OSU

Effect of waterborne preservative treatments on allowable stress design values

Interactions of ammoniacal copper zinc arsenate (ACZA) wood preservative with Douglas-fir

Microfungi of preservative treated Douglas-fir poles before and after fumigant treatment

Distribution of preservative chemicals in flakeboard and its effect on board properties and fungal deterioration

Model and procedure for determination of strength and stiffness of wood studs

Supercritical fluid impregnation with biocides of wood using temperature reduction

Interactions of the fumigant methylisothiocyanate with Douglas-fir wood and their influence on fumigant effectiveness

Establishment of Poria carbonica in wood and colonization by basidiomycetes of Douglas-fir utility poles during air seasoning

The stress-strain relationships in wood and fiber-reinforced plastic laminae of reinforced glued-laminated wood beams

Inactivation of Clostridium perfringens in Meat Products

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