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The chemical nature of the "lignin" of the bark of Douglas fir, Pseudotsuga menziesii (Mirb.) Franco

Creator:: Smith, James E. (James Edward)
Resource Type:: Dissertation
Full Text:: DOUGLAS FIR, · PSEUDOTSUGA MENZIESII (MffiB.) FRANCO by JAMES EDWARD ITH A THESIS submitted to

Interpreting Climate of the Past from High-Resolution Ice Core Records of Methane

Creator:: Lee, James E.
Abstract:: Methane is a product of biogeochemical processes which respond to changes in climate. The history of atmospheric methane is recorded by ice cores providing insight into past changes in these biogeochemical processes. This dissertation is comprised of three studies which focus on centennial- and millenial-scale variability of methane from ice...
Resource Type:: Dissertation
Full Text:: Chapter 2: An 83,000 year old ice core from Roosevelt Island, Ross Sea, Antarctica James E. Lee1, Edward

Potential impacts of canola (Brassica napus L.) on vegetable seed production in the Willamette Valley of Oregon

Creator:: Quinn, Michael P.
Abstract:: In the Willamette Valley of Oregon, a combination of the need for rotational crops and an increased desire for biofuel production created interest in planting Brassica napus (canola). However, questions were raised arisen over the potential damage canola production could have on the preexisting Brassica vegetable seed industry. To address...
Resource Type:: Dissertation
Full Text:: RELATED BRAS SICA VEGETABLE SPECIES Michael P. Quinn, Carol Mallory-Smith, and James R. Myers Michael P

Design, construction, and characterization of a six-electrode, direct current, variable length plasma source for atomic emmission spectroscopy

Creator:: Shields, James Phillip
Abstract:: The variable length, six-electrode plasma source for atomic emission spectroscopy described here is operated from three compact, simple, and inexpensive direct current power supplies. The vertical arcs formed between the three electrode pairs completely entrain the sample and are typically operated at 40 V and 20 A. Three concentric quartz...
Resource Type:: Dissertation
Full Text:: THE THESIS OF James Philip Shields for the degree of Doctor of Philosophy in Chemistry presented on

An analysis of demand for U.S. winter pears in export markets

Creator:: Cusack, Thomas James
Abstract:: The principal objective of this study was to identify and investigate the underlying basis for variations in the volumes of exports of U.S. winter pears during the 1947 to 1974 period. A number of factors thought to be of importance in the determination of the volume of exports of a...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS THOMAS JAMES CUSACK for the degree

Stable Isotope Constraints on Carbon Dioxide and Nitrous Oxide Variations at the Onset of the Last Glacial Period: New Ice Cores from Taylor Glacier, Antarctica

Creator:: Menking, James A.
Abstract:: New ice cores retrieved from the Taylor Glacier (Antarctica) blue ice area contain ice and air spanning the Marine Isotope Stage (MIS) 5/4 transition, a period of global cooling and ice sheet expansion. Chronologies were determined for the ice and air bubbles in the new ice cores by visually matching...
Resource Type:: Dissertation
Full Text:: manuscript; James A. Menking, Edward J. Brook, and Joseph R. McConnell made measurements in the field

An assessment of a closed greenhouse aquaculture and hydroponic system

Creator:: Head, William, 1946-
Resource Type:: Dissertation
Full Text:: Closed Greenhouse Aquaculture and ::::::::: /7 James E. Lannan Research was conducted to address three

Control of acid production and β-galactosidase synthesis in lactic streptococci

Creator:: Citti, James Edward
Abstract:: The public health and economic significance of rapid acid production by lactic streptococci in controlled dairy fermentations is well known. However, the fast acid-producing characteristic of these organisms is not stable, and cultures of fast organisms have been shown to contain slow cells. These studies were carried out to characterize...
Resource Type:: Dissertation
Full Text:: in lactic streptococci AN ABSTRACT OF THE THESIS OF JAMES EDWARD CITTI for the Ph. D. in

Cytokinin production by species of the fungus Taphrina

Creator:: Johnston, James Clelland
Abstract:: Chemically defined liquid media were devised which supported excellent growth of Taphrina cerasi and T. deformans. When grown in fermentation culture vessels, T. cerasi and T. deformans released cytokinins into the liquid media. The presence of these cell division factors was demonstrated with the soybean tissue assay which is specific...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF JAMES CLELLAND JOHNSTON for the DOCTOR OF PHILOSOPHY (Name) (Degree

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:: wheat-bunt fungus, Tilletia caries (DC.) Tul. AN ABSTRACT OF THE THESIS OF James Frederick

ScholarsArchive@OSU

The chemical nature of the "lignin" of the bark of Douglas fir, Pseudotsuga menziesii (Mirb.) Franco

Interpreting Climate of the Past from High-Resolution Ice Core Records of Methane

Potential impacts of canola (Brassica napus L.) on vegetable seed production in the Willamette Valley of Oregon

Design, construction, and characterization of a six-electrode, direct current, variable length plasma source for atomic emmission spectroscopy

An analysis of demand for U.S. winter pears in export markets

Stable Isotope Constraints on Carbon Dioxide and Nitrous Oxide Variations at the Onset of the Last Glacial Period: New Ice Cores from Taylor Glacier, Antarctica

An assessment of a closed greenhouse aquaculture and hydroponic system

Control of acid production and β-galactosidase synthesis in lactic streptococci

Cytokinin production by species of the fungus Taphrina

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

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