Index Catalog // ScholarsArchive@OSU

Copper compounds for durable composites : effects on material properties

Creator:: Vidrine, Cheney L.
Abstract:: The effects of incorporation of selected biocides on physical and mechanical properties of aspen strandboard were assessed using five copper-based preservatives or zinc borate at three retention levels. Tebuconazole or 4,5-dichloro-2-N-octyl-4-isothiazolin-3-one (DCOI) were added as co-biocides to selective copper-based treatments. Mold box tests showed that only panels treated with DCOI...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Jeffery J. Morrell Frederick A. Kamke The effects of incorporation of selected biocides

Inter-relationships of vegetation, hydrology and micro-climate in a young, Douglas-fir forest

Creator:: Barnard, Holly Rene
Abstract:: The links between forests, streamflow, and climate are poorly understood. Despite hundreds of studies over the past 60 years, fundamental questions of forests' effects on the hydrologic cycle remain unanswered. The hydrological cycle involves mutually-dependent biological and physical processes that operate at multiple scales of time and space, and this...
Resource Type:: Dissertation
Full Text:: -fir Forest Abstract approved: Barbara J. Bond Jeffrey J. McDonnell The links

Management of powder-post beetles, Dinoderus minutus F. in freshly cut bamboo

Creator:: Garcia, Carlos Manalo
Abstract:: The goal of this project was to develop an integrated pest management strategy for the control of a powder-post beetle (Dinoderus minutus F.). This species causes serious damage in Philippine bamboo. Developmental threshold and thermal constants were examined and natural enemies and ftmgi associated with beetles were investigated. Finally, the...
Resource Type:: Dissertation
Full Text:: . Jeffrey J. Morrell, for his inspiring encouragement and full support from the initial phase of

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:: with Biocides of Wood Using Temperature Reduction. Abstract approved Jeffrey J. Morrell

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:: Biocides in Potentially Copper Tolerant Soils. Abstract approved: Jeffrey J. Morrell Copper is an

Biology of the carpenter ants Camponotus vicinus (Mayr) and Camponotus modoc (Wheeler) in western Oregon

Creator:: Mankowski, Mark E.
Abstract:: Pest control operators in Oregon were surveyed to examine the occurrence of carpenter ants and other wood destroying organisms in structures. Carpenter ants frequently occurred in the coast and Willamette valley regions of the state and were associated with wetter, mesic habitats. To examine the effects of substrate and moisture...
Resource Type:: Dissertation

Application of green fluorescent protein (GFP) for studing interactions between Ophiostoma piceae and Trichoderma harzianum in freshly sawn Douglas-fir sapwood

Creator:: Xiao, Ying
Abstract:: While microbial colonization of wood is presumed to be characterized by a myriad of interactions between numerous organisms, studying these processes is often difficult owing to the opaque nature of the wood and the inability to readily distinguish among the many species colonizing the material. One method for enhancing the...
Resource Type:: Dissertation

Limiting copper loss from treated wood in or near aquatic environments

Creator:: Mitsuhashi Gonzalez, June M.
Abstract:: Copper migration from treated wood has created concerns within the environmental community because of the potential effects of this heavy metal on aquatic organisms. Migration can be limited, to some extent, by more controlled treatments and by post-treatment processing, but these actions cannot completely overcome the problem. An alternative approach...
Resource Type:: Masters Thesis
Full Text:: Jeffrey J. Morrell Copper migration from treated wood has created concerns within the

The phytosanitation of solid wood packaging materials using wood preservatives

Creator:: Schauwecker, Christoph F.
Abstract:: New species introductions have been associated with the movement of people for thousands of years. For instance, horses were introduced into North America by Spanish explorers, while pigs were introduced by the Polynesians into many Pacific islands long before the establishment of permanent European settlements. Both of these species introductions...
Resource Type:: Masters Thesis
Full Text:: approved: ______________________________________________________________ Jeffrey J. Morrell

Establishing a through-boring pattern and method of test for utility poles

Creator:: Elkins, Lori A.
Abstract:: The goal of this study was to optimize a through-boring pattern that will provide adequate preservative penetration while minimizing the reduction in overall pole bending strength. Hole spacing was developed using longitudinal and transverse chemical penetration data from previous studies. Finite element analysis was used as a preliminary assessment tool...
Resource Type:: Masters Thesis
Full Text:: . Leichti Jeffrey J. Morrell The goal of this study was to optimize a through-boring pattern that will

ScholarsArchive@OSU

Copper compounds for durable composites : effects on material properties

Inter-relationships of vegetation, hydrology and micro-climate in a young, Douglas-fir forest

Management of powder-post beetles, Dinoderus minutus F. in freshly cut bamboo

Supercritical fluid impregnation with biocides of wood using temperature reduction

Performance of copper based biocides in potentially copper tolerant soils

Biology of the carpenter ants Camponotus vicinus (Mayr) and Camponotus modoc (Wheeler) in western Oregon

Application of green fluorescent protein (GFP) for studing interactions between Ophiostoma piceae and Trichoderma harzianum in freshly sawn Douglas-fir sapwood

Limiting copper loss from treated wood in or near aquatic environments

The phytosanitation of solid wood packaging materials using wood preservatives

Establishing a through-boring pattern and method of test for utility poles

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