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Filtering by: Committee Member Deinzer, M. L. Remove constraint Committee Member: Deinzer, M. L. Academic Affiliation Forest Products Remove constraint Academic Affiliation: Forest Products

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Investigation of the fundamentals of fluorescent behavior of kraft-anthraquinone pulping liquors

Creator:

Perfecto Segoviano, Ignacio

Abstract:

The kraft and kraft-anthraquinone pulping processes were used for pulping Douglas-fir chips at 170°C, 180°C and 190°C temperatures. Anthraquinone was added to the pulping liquor at two levels, 0.1% and 0.2% based on wood, to study its effect on pulp delignification at the three temperatures. The fluorescent behaviors of kraft...

Resource Type:

Masters Thesis
Determining appropriate accelerated aging tests for keruing plywood

Creator:

Wilkie, George Robert

Abstract:

The main objective of this study was to determine appropriate accelerated aging methods for exterior plywood made with Southeast Asian hardwood face veneers. A secondary objective of this study was to determine the durability of exterior plywood made with keruing (12 Dipterocarpus spp.). To reach these objectives I made plywood...

Resource Type:

Masters Thesis
The bleaching response of kraft pulps from fresh and aged commercial Douglas-fir chips

Creator:

Lai, Jinn-Hsing

Resource Type:

Masters Thesis
On the phenomena of fracture in particle-board

Creator:

Ilcewicz, Larry Bert

Abstract:

Nonlocal theories of continuum mechanics are used to model the fracture behavior of particleboard in tension perpendicular to the plane of the board. Classical theories of fracture are examined in comparison to a nonlocal crack solution which has removed the stress singularity at the crack tip. With the removal of...

Resource Type:

Masters Thesis
Engineering study on the drying of wood particles in a fluidized bed

Creator:

Milota, Michael R.

Resource Type:

Dissertation

Full Text:

bed drying arrangements to commercial rotary dryers in terms of energy efficiency. A 0.2 m square
Anatomical and chemical characteristics of the Douglas-fir (Pseudotsuga menziesii (mirb.) Franko) phellem cell

Creator:

Litvay, John Dennis

Abstract:

The objectives of this study were to 1) characterize the layering in the wall of the Douglas-fir (Pseudotsuga. menziesii (Mirb. ) Franco) phellem cell, 2) determine the pitting present in this cell wall and 3) determine what compounds are present in the middle lamella of this cell. To accomplish the...

Resource Type:

Dissertation
Thermal characteristics of Douglas-fir bark fiber 25⁰ to 250⁰C

Creator:

Short, Paul Henry

Resource Type:

Dissertation
Douglas-fir bark : carbohydrates solubilized by the acidified sodium chlorite delignification reaction

Creator:

Lai, Yu-chai Leslie

Abstract:

The inner bark of Douglas-fir was successively extracted with ethanol-water (4:1 v/v), benzene-ethanol (2:1, v./iv), water, and 0.5% aqueous ammonium oxalate solution. The residue was reacted with acidified sodium chlorite, a commonly used reagent to separate lignin from carbohydrates. In general the reaction dissolves the lignin and leaves the carbohydrates...

Resource Type:

Masters Thesis

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Academic Affiliation

Forest Products[remove]8

Advisor

Bublitz, Walter J.2
Wellons, J. D.2
Krahmer, Robert L.1
Laver, Murray L.1
Wilson, J. B.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1972 to 1984

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Committee Member

Laver, M. L.3
McKimmy, M. D.3
Resch, H.2
Adams, Ronald L.1
Amano, M. M.1
more Committee Members »

Creator

Ilcewicz, Larry Bert1
Lai, Jinn Hsing1
Lai, Yu Chai Leslie1
Litvay, John Dennis1
Milota, Michael R.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1971 to 1984

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Decade

1980-19892
1970-19796

Degree Field

Forest Products8

Degree Level

Master's5
Doctoral3

Degree Name

Master of Science (M.S.)5
Doctor of Philosophy (Ph.D.)3

Language

English [eng]8

Non-Academic Affiliation

Oregon State University. Graduate School8

Peer Reviewed

No6

Resource Type

Masters Thesis5
Dissertation3

Rights Statement

Copyright Not Evaluated8

Subject

Douglas fir3
Bark1
Particle board1
Plywood -- Testing1
Sulphate waste liquor1
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