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Filtering by: Subject Wood-pulp -- Analysis Remove constraint Subject: Wood-pulp -- Analysis Degree Level Master's Remove constraint Degree Level: Master's

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List Gallery Masonry

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Improving the durability of second growth timbers of naturally durable species

Creator:

Cabrera Orozco, Yohanna

Abstract:

While the heartwood of many wood species exhibits excellent resistance to fungal and insect attack, this resistance is sometimes diminished in second-growth material of the same species. The reasons for the reduced durability are unclear, but they may reflect a combination of both higher proportions of sapwood as well as...

Resource Type:

Masters Thesis

Full Text:

of Master of Science in Wood Science presented on March 12, 2008. Title: Improving the Durability
Chemical characterization of breakdown products involved in detection of incipient decay of wood

Creator:

Holt, Kris E.

Abstract:

See pdf

Resource Type:

Masters Thesis
An investigation of the effect of dihydroquercetin and quercetin on bleaching of Douglas-fir groundwood

Creator:

Meng, Tommy Yi

Abstract:

Sapwood and heartwood groundwood samples were prepared separately from a second growth, coastal range, young Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). The bleaching responses of these two groundwoods to zinc hydrosulfite were examined, and the roles of both dihydroquercetin and quercetin in this bleaching reaction were investigated. Heartwood groundwood was identified...

Resource Type:

Masters Thesis
Foam separation of organic and toxic materials in kraft mill effluents

Creator:

Blazier, James Lewis

Abstract:

Because of the organic nature and the natural foaming characteristics of kraft mill effluents, it was decided to investigate the feasibility of using foam separation as a method of treatment. The treatment efficiency was evaluated by BOD and COD reductions as well as the decrease in toxicity to marine life....

Resource Type:

Masters Thesis

Full Text:

toxicity to rnarine life. Grab sarnples of the whole rnill effluent obtained frorn a kraft pulp and paper
Optically active pinenes from Oregon woods

Creator:

Thielke, Reuben Christian

Resource Type:

Masters Thesis

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Academic Affiliation

Forest Products2
Civil Engineering1
School of Forestry1
Wood Science and Engineering1

Advisor

Bublitz, Walter J.1
Krahmer, Robert L.1
Merryfield, Fred1
Morrell, Jeffrey1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1931 to 2008

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Committee Member

Lachenbruch, Barb1
Soeldner, Al1
Stone, Jeffrey1

Creator

Blazier, James Lewis1
Cabrera Orozco, Yohanna1
Holt, Kris E.1
Meng, Tommy Yi1
Thielke, Reuben Christian1

Date

Date range begin – Date range end

Current results range from 1931 to 2008

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Decade

2000-20091
1980-19891
1970-19791
1960-19691
1930-19391

Degree Field

Forest Products2
Civil Engineering1
Forestry1
Wood Science1

Degree Level

Master's[remove]5

Degree Name

Master of Science (M.S.)5

File Format

application/pdf1

Language

English [eng]5

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No3

Resource Type

Masters Thesis5

Rights Statement

Copyright Not Evaluated4
In Copyright1

Subject

Foam1
Heartwood -- Preservation1
Sewage -- Analysis1
Sewage -- Purification1
Wood -- Deterioration -- Analysis1
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