Index Catalog // ScholarsArchive@OSU

Dynamical System Scaling of Fuel Performance During Reactivity Insertion Accidents

Creator:: Dueñas, Alexander M.
Abstract:: Fuel qualification timelines for new fuel technology under ideal conditions can take between 20-25 years to be fully qualified from initial concept to deployment as full fuel assemblies. To reduce the timeline and costs, new separate-effects test and integral-effects test experiments, advanced instrumentation, and advanced modeling and simulation tools are...
Resource Type:: Dissertation

Ecohydrologic Connections in Semiarid Rangeland Ecosystems in Oregon

Creator:: Durfee, Nicole M.
Abstract:: An improved understanding of the ecohydrologic relationships in semiarid rangelands is imperative for the development of effective rehabilitation and land management practices. This thesis addresses the ecohydrologic relationships of two significant issues concerning semiarid rangeland ecosystems: western juniper encroachment and increasing stream temperatures. This thesis is divided into two chapters;...
Resource Type:: Masters Thesis
Full Text:: /0012- 9615(2003)073[0223:EOARSW]2.0.CO;2. 2. Miller, R. F.; Bates, J. D.; Svejcar, T. J.; Pierson, F

Novel wine yeast with ARO4 and TYR1 mutations that overproduce 'floral' aroma compounds 2-phenylethanol and 2-phenylethyl acetate

Creator:: Cordente, Antonio G., Solomon, Mark, Schulkin, Alex, Francis, I. Leigh, Barker, Alice, Borneman, Anthony R., and Curtin, Christopher D.
Abstract:: It is well established that the choice of yeast used to perform wine fermentation significantly influences the sensory attributes of wines; different yeast species and strains impart different profiles of esters, volatile fatty acids, higher alcohols, and volatile sulphur compounds. Indeed, choice of yeast remains one of the simplest means...
Resource Type:: Article
Full Text:: ; Schulthess and Ettlinger 1978). Therefore, one strategy to increase the formation of higher alcohols is to

Microstructural Characterization of Porosity in U-Mo Low Enriched Uranium Plate Fuel

Creator:: Westman, Bjorn E.
Abstract:: New low enriched uranium (LEU) fuels are being developed for replacement of high enriched uranium (HEU) fuels in high power research reactors. U-Mo LEU plate fuels have been identified as a candidate for replacement of current HEU fuels. However, U-Mo fuels tend to exhibit accelerated swelling typically at fission densities...
Resource Type:: Masters Thesis
Full Text:: )............................... 51 Figure 25. V5R050-H-VIB Image Set. (Images 1 - 10 (a – j

Environmental Remote Sensing with Unmanned Aircraft Systems

Creator:: Burnett, Jonathan D.
Abstract:: Small Unmanned Aircraft Systems (sUASs) equipped with optical sensors are capableof remotely sensing landscapes and wildlife at spatial and temporal resolutions that werepreviously inaccessible due to technical and budgetary limitations. Conventional remotesensing and photogrammetric workflows can be applied to the resulting high resolution imageryto facilitate new types of scientific inquiry....
Resource Type:: Dissertation

First record of the genus Pseudopilolabus Legalov, 2003 (Coleoptera: Attelabidae) in Dominican amber

Creator:: Poinar, George O., Jr., Brown, A. E., and Legalov, A. A.
Abstract:: A new weevil species (urn:lsid:zoobank.org: act:2D5E9E4A-A250-4D0A-AF69-CF4753436686), Pseudopilolabus othnius Poinar, Brown and Legalov, sp. nov. (Coleoptera: Attelabidae), is described from Dominican amber. The new species is close to the extant P. viridanus (Gyllenhal, 1839) and P. splendens (Gyllenhal, 1839) but differs by having a bronzed body, narrower and more convex elytral...
Resource Type:: Article
Full Text:: ). Acknowledgements. We are grateful to L. Chamorro (USA: Wash- ington), J. Frisch (Germany: Berlin), O. Jaeger

Monte Carlo studies of classical Heisenberg spins on face-centered-cubic lattices : effects of strain, interlayer coupling, and dilution of lattice

Creator:: Park, Seongweon
Abstract:: This thesis presents the results from Monte Carlo calculations on classical vector spins in face-centered-cubic (FCC) lattices. The goal of the study was to understand the effect of interlayer coupling, dilution of magnetic atoms in the lattice, and symmetry-changing strain. Experimental work by T. M. Giebultowicz et al. and J....
Resource Type:: Dissertation
Full Text:: -changing strain. Experimental work by T. M. Giebultowicz et al. and J. A. Borchers et al. greatly

Modeling spintronics devices in Verilog-A for use with industry-standard simulation tools

Creator:: Engelbrecht, Linda M.
Abstract:: As the semiconductor industry works to integrate increasingly more "non-CMOS" devices onto CMOS ICs, compact model development has become an important step in the circuit/system verification tool flow. This research focuses on the two- and three-dimensional modeling of the physical phenomena that occur in nanoscale magnetic devices. This includes the...
Resource Type:: Dissertation
Full Text:: for clarity. [Reprinted figure with permission from J. Xiao, A. Zangwill, M. D. Stiles, Phys. Rev. B

Responses and relationships among Fusarium species, sweet corn, and western spotted cucumber beetles

Creator:: Miller, Nathan L. (Nathan Louis)
Abstract:: Sweet corn (Zea mays L.) yields in the Willamette Valley of Oregon have been declining since the early 1990’s. Studies were done to determine if there is a relationship between ear weight and several disease parameters including necrotic crowns or stalk nodes, nodal root rot, radicle root rot, and sub-crown...
Resource Type:: Dissertation
Full Text:: Press. 101 pp. 3. Shane, M. W., McCully, M. E., and Canny, M. J. 2000. The vascular system of maize

The effect of climate variation on agro-pastoral production in Africa

Creator:: Stige, Leif Christian, Stave, Jørn, Chan, Kung-Sik, Ciannelli, Lorenzo, Pettorelli, Nathalie, Glantz, Michael, Herren, Hans R., and Stenseth, Nils Chr.
Abstract:: Using national crop and livestock production records from 1961–2003 and satellite-derived data on pasture greenness from 1982–2003 we show that the productivity of crops, livestock, and pastures in Africa is predictably associated with the El Niño Southern Oscillation and the North Atlantic Oscillation. The causal relations of these results are...
Resource Type:: Article
Full Text:: type in country i in year j; e1 and e2 are threshold values of the ENSO index; n1 and n2 are threshold

ScholarsArchive@OSU

Dynamical System Scaling of Fuel Performance During Reactivity Insertion Accidents

Ecohydrologic Connections in Semiarid Rangeland Ecosystems in Oregon

Novel wine yeast with ARO4 and TYR1 mutations that overproduce 'floral' aroma compounds 2-phenylethanol and 2-phenylethyl acetate

Microstructural Characterization of Porosity in U-Mo Low Enriched Uranium Plate Fuel

Environmental Remote Sensing with Unmanned Aircraft Systems

First record of the genus Pseudopilolabus Legalov, 2003 (Coleoptera: Attelabidae) in Dominican amber

Monte Carlo studies of classical Heisenberg spins on face-centered-cubic lattices : effects of strain, interlayer coupling, and dilution of lattice

Modeling spintronics devices in Verilog-A for use with industry-standard simulation tools

Responses and relationships among Fusarium species, sweet corn, and western spotted cucumber beetles

The effect of climate variation on agro-pastoral production in Africa

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