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Chemical compositional studies of marginal rift and plateau basalts from Saudi Arabia

Creator:: Coles, D. G.
Abstract:: The analysis of 64 rock samples from Saudi Arabia and three samples from the axial trough of the Red Sea has been done. Instrumental neutron activation analysis (INAA) was the analytical tool used for the analysis of at least 18 and as many as 24 elements in these 67 rock...
Resource Type:: Masters Thesis
Full Text:: operation. Finally, the author wishes to thank the members of his com- mittee, Dr. W. D. Loveland, Dr. S

Analysis of fourteen trace elements in Saudi Arabian layered gabbros by radiochemical neutron activation analysis

Creator:: Palmer, Curtis Allyn
Abstract:: Eight layered gabbro samples from two layered complexes, two xenoliths, one basalt from a hot brine area and a standard basalt rock (BCR-1) were analyzed by RNAA (radiochemical neutron activation analysis) for 14 trace elements, Au, Ni, Co, Ag, Sb, Se, Zn, In, T1, Rb, Cs, U, Ba and Sr....
Resource Type:: Masters Thesis
Full Text:: . Corliss for his many suggestions on geochemical interpreta- tions and moral support, Dr. W. Loveland for

The use of climate classification schemes to assess the performance of general circulation models

Creator:: Mitchell, Connee S.
Resource Type:: Masters Thesis
Full Text:: committee, Drs. W. Lawrence Gates, Steven Esbensen, David Enfield, and Walter Loveland. I would also like

Variations in trace element abundances in small fragments from a single terrestrial basaltic flow : applications to 59 Apollo-17 mare basaltic fragments

Creator:: Rivera, Maria Rita Dacanay
Abstract:: Eleven hand specimen whole rock (WR) samples (25-200 g each) and 33 fragments (0.5-0.8 g each) from a single basaltic flow at Picture Gorge, Oregon were analyzed via instrumental neutron activation analysis (INAA) for 12 elements (Na, Fe, Cr, Sc, Co, La, Sm, Eu, Yb, Lu, Hf and Ta). Standard...
Resource Type:: Masters Thesis
Full Text:: of my committee, Dr. Harry Freund, Dr. Roman A. Schmitt, and Dr. Walter D. Loveland, for the

Measurement of nitrogenase activity of intact legume symbionts in situ using the acetylene reduction assay

Creator:: Fishbeck, Kathleen Ann
Abstract:: The process of biological nitrogen fixation involves the enzymic reduction of atmospheric nitrogen (N₂) to ammonia (NH₃). The enzyme which catalyzes this reduction, nitrogenase, does not exhibit a high degree of substrate specificity. It also catalyzes the reduction of acetylene (C₂2H₂) to ethylene (C₂H₄). The reduction of C₂H₂ to C₂H₄...
Resource Type:: Masters Thesis
Full Text:: . I also wish to thank Dr. W. D. Loomis for serving as a member of my graduate committee. I extend

The examination of seed yield potential in certain genotypes of birdsfoot trefoil (Lotus corniculatus L.)

Creator:: Bresciani, Juan Carlos
Abstract:: In the last 30 years, birdsfoot trefoil (Lotus corniculatus L. ) has been recognized as a great potential source of forage. Since the 1930's, many studies have been reported in relation to birdsfoot trefoil characteristics, including some directly related with the association between seed yield and its components. The purpose...
Resource Type:: Masters Thesis
Full Text:: manus cript. Appreciation is extended to Drs. W. W. Chilcote and D. 0 Chilcote, members of my graduate

Influence of the secondary metabolites of Mentha piperita L. on Tetranychus urticae Koch

Creator:: Larson, Katherine Cole
Resource Type:: Masters Thesis
Full Text:: mainstem 0 acc i-- °lower lateralY 00 8 0 I-- oz o1 o (.9 D 60-1 04 o oo u) w Et o 0n <.-, 40 o o2 1 0

Nucleate boiling of various fluids in a thermosiphon reboiler

Creator:: Oufer, Lounes
Abstract:: A study of nucleate boiling of water, four alcohols and three ethanol-water mixtures was conducted in a vertical thermosiphon reboiler. The test section consisted of a 1/2- inch diameter electrically heated stainless-steel rod jacketed by a 15-inch long pyrex glass tube. Two different inside diameters of the glass tube corresponding...
Resource Type:: Masters Thesis
Full Text:: for his useful recommendations during the statistical analysis of the data. Dr. D. Schafer and Dr

Phytosociology of the ponderosa pine type on pumice soils in the Upper Williamson River Basin, Klamath County, Oregon

Creator:: Volland, Leonard A.
Abstract:: The study was conducted over approximately 191,000 acres in central Klamath County, Oregon. The research had three objectives: first, to describe and classify the seral and near-climax vegetation by using polyclimax principles; secondly, to determine the southern extension of five plant associations and one plant associes as previously described by...
Resource Type:: Masters Thesis
Full Text:: . W. Chilcote, D. W. Hedrick), F. C. Hall, Dr. C. T. Dyrness, and W. Schallig whose suggestions and

An ecological reconnaissance of the artemisia steppe on the east central Owyee uplands of Oregon

Creator:: Culver, Roger Norman
Abstract:: As the management of range lands is intensified or as improvement activity is increased, a critical need is seen to refine the understanding of the ecology of these lands. If soil surveys on range lands are to be meaningful and useful, the relationship between the fundamental ecological units and the...
Resource Type:: Masters Thesis
Full Text:: - - Dr. C. T. Youngberg, Dr. D. W. Hedrick, and Dr. W. W. Chilcote. The writer is grateful for support

ScholarsArchive@OSU

Chemical compositional studies of marginal rift and plateau basalts from Saudi Arabia

Analysis of fourteen trace elements in Saudi Arabian layered gabbros by radiochemical neutron activation analysis

The use of climate classification schemes to assess the performance of general circulation models

Variations in trace element abundances in small fragments from a single terrestrial basaltic flow : applications to 59 Apollo-17 mare basaltic fragments

Measurement of nitrogenase activity of intact legume symbionts in situ using the acetylene reduction assay

The examination of seed yield potential in certain genotypes of birdsfoot trefoil (Lotus corniculatus L.)

Influence of the secondary metabolites of Mentha piperita L. on Tetranychus urticae Koch

Nucleate boiling of various fluids in a thermosiphon reboiler

Phytosociology of the ponderosa pine type on pumice soils in the Upper Williamson River Basin, Klamath County, Oregon

An ecological reconnaissance of the artemisia steppe on the east central Owyee uplands of Oregon

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