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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

A comparison of porous polymers used in collecting organic volatiles in foods

Creator:: Boyko, Alayne Linda
Abstract:: Porapak Q, Chromosorb 102, and Tenax GC, three porous polymers commonly used as adsorbents in headspace analyses were investigated. The retention times of various low-boiling compounds relative to water were measured on the collection columns to determine which compounds would be lost during the water removal step employed after sampling...
Resource Type:: Masters Thesis
Full Text:: : Dr. M. B. Williams and Dr. R. Claeys. The assis- tance of other faculty members and

The use of tape-recordings to train counselors in the use of specific verbal communiation skills

Creator:: Standish, John Thomas
Abstract:: Purpose The study was designed to test the effectiveness of a counselor training experience which used pre-recorded client statements as the instructional medium. The principal objective of instruction was to teach counselor trainees to differentiate between the affective and cognitive content of client statements and to respond in ways which...
Resource Type:: Dissertation
Full Text:: . Dr. R. Denis Baron and Dr. Lester M. Beals, members of the Committee, provided help and

The inheritance of volatile alcohols associated with frozen bush snap beans

Creator:: Toya, Dan K.
Abstract:: Inheritance of the volatile components in bush snap beans, O.S.U. 58-110 X 'Romano' cross and reciprocal, was determined using gas-liquid chromatographic technique with gas-entrainment on-column trapping. A sample of 10 to 14 pods averaging 5 grams from a single plant was found to be adequate for F₁, F₂, and backcross...
Resource Type:: Masters Thesis
Full Text:: throughout my graduate program. I am grateful to Dr. J. R. Baggett and Dr. M. E. Morgan for serving on my

Morphology, ultrastructure and mating of sporidia of a wheat-bunt fungus, Tilletia caries (DC.) Tul.

Creator:: Kollmorgen, James Frederick
Abstract:: The teliospore of Tilletia caries germinates to produce a promycelium with a whorl of primary sporidia at its tip. The time between emergence of the promycelium and the development of primary sporidia averaged 2.3 h. Fusion between compatible sporidia occurred within an additional 3.8 h. Primary sporidia appeared to be...
Resource Type:: Dissertation
Full Text:: thanks is also extended to the other members of my graduate committee: Drs. M. H. Chaplin, W. M. Hess, R

Measurement and interpretation of physical properties of soils

Creator:: Nagpal, Narender Kumar, 1942-
Abstract:: One of many important physical properties that must be known to understand transport phenomena in soils is pore size distribution. Presently the pore size distributions of soils are most commonly obtained from soil water characteristic curves. The soil water characteristic curves are usually obtained by the pressure plate technique. It...
Resource Type:: Dissertation
Full Text:: 050 0.60 S O IL W A T E R C O N T E N T C M 3/ C M 3 Figure 1Z . Pore size

Optimization of staged rankine energy conversion cycles for high efficiency

Creator:: Simmons, Larry Dean
Abstract:: Because of the fuel crisis and problems associated with thermal pollution there is new impetus and urgency for developing more efficient energy conversion systems for power generation. A preliminary analysis was undertaken to determine the potential of staged Rankine cycle systems for substantially higher efficiency. It was necessary to optimize...
Resource Type:: Dissertation
Full Text:: (ref. 6) M HD/Steam ( ref. 9 ) Regenerative MHD ( " ) r%"`° , e a ..4i1011KAMM 11101111

Extraction and plant availability of cadmium and zinc in a Willamette sandy loam soil

Creator:: Halvorson, Gary Alfred
Abstract:: A Willamette sandy shot loam was treated with ZnC1₂, CdC1₂, or sewage sludge to determine the chemical fate of added Cd and Zn in the soil and their influence on the growth of corn and wheat seedlings. Cadmium was added as CdC1₂ at rates of 0, 5, 20, or 80...
Resource Type:: Dissertation
Full Text:: : Drs. D. Moore, M. Harward, R. Schmitt, and J. Nibler deserve praise for their contributions. Most of

Economic analysis of the limitations to the production of bread wheat in Tunisia

Creator:: Akrout, Rached
Resource Type:: Masters Thesis
Full Text:: like to thank Drs. Bruce R. Rettig, Roger G. Petersen and Timothy M. Hammonds, members of

The effect of wood density on the kraft pulping properties of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco)

Creator:: Promachotikool, Montree
Abstract:: Three samples of different wood densities of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) were cooked by the kraft process. The yields and the Kappa numbers were studied to establish the rates and the energies of activation of the pulping and delignification reactions respectively. Wood properties did not show significant effects on...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Determining appropriate accelerated aging tests for keruing plywood

A comparison of porous polymers used in collecting organic volatiles in foods

The use of tape-recordings to train counselors in the use of specific verbal communiation skills

The inheritance of volatile alcohols associated with frozen bush snap beans

Morphology, ultrastructure and mating of sporidia of a wheat-bunt fungus, Tilletia caries (DC.) Tul.

Measurement and interpretation of physical properties of soils

Optimization of staged rankine energy conversion cycles for high efficiency

Extraction and plant availability of cadmium and zinc in a Willamette sandy loam soil

Economic analysis of the limitations to the production of bread wheat in Tunisia

The effect of wood density on the kraft pulping properties of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco)

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