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Neutron diffraction studies on ABO₃ (A=La, Sr, B=Fe, Co, Ni, Cu, Mn, Ti) perovskite used in solid oxide fuel cell (SOFC) and double perovskite Ba₂YRu[0.85-subscript]Cu[0.15-subscript]O₆ superconductor
(University of Missouri--Columbia, 2009)
relationship with the magnetic properties. La₀.₆Sr₀.₄Fe₀.₈Co₀.₂O₃₋[delta subscript], and La₀.₈Sr₀.₂Fe₀.₈Co₀.₂O₃₋[delta script] can be good candidates for the cathodes of SOFCs at intermediate temperature. The double perovskite Ba₂YRu₀.₈₅Cu₀.₁₅O₆ superconductor...
Mathematical problems from cryobiology
(University of Missouri--Columbia, 2009)
in the 2- solute case. After defining optimal controls, the question arises whether the predicted continuous optimal control of the extracellular environment affects the hypotheses of the ODE model, namely, perfect stirring inside and outside of the cell...
The use of geomorphological and pedological soil characteristics to assess planar borrowing at a Mandan Indian village, North Dakota
(University of Missouri--Columbia, 2011)
The Double Ditch State Historic Site is situated in a loess landscape immediately east of the Missouri River near Bismarck, North Dakota. The site was occupied from ca AD 1450 to 1785 by Mandan Indians, Plains Villagers who exhibited a systematic...
An in depth evaluation of internal criteria for determining the number of clusters in a data set
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Clustering procedures partition data sets into groups, minimizing the distance within clusters while maximizing the distance between clusters. Clustering can be a powerful tool...
An evaluation of pre- and post-timber harvest water quality in low-order streams in the Missouri Ozarks
(University of Missouri--Columbia, 2009)
Missouri Department of Conservation's (MDC) best management practices (BMPs) for Regenerative Oak Clear Cutting (ROCC) practice was evaluated on effectiveness to preserve downstream water quality. Fifteen sites, located on MDC lands in Shannon...
Influence of site conditions on near-field effects in multi-channel surface wave measurements
(University of Missouri--Columbia, 2011)
using multi-channel arrays. A recent criteria developed by Yoon and Rix (2009) for multi-channel measurements suggested that the normalized array center (NAC) distance (i.e. the number of wavelengths between the source and array center) should be 2...
Flow and heat transfer properties of Mono Craters rhyolites : effects of temperature, water content, and crystallinity
(University of Missouri--Columbia, 2008)
and concentric cylinder methods to obtain viscosity measurements between 5 x 103̂ to 8 x 101̂2 Pas, from superliquidus conditions to the glass transition; the laser flash (LFA) method to measure thermal diffusivity of samples between room and subliquidus...
Effects of amending a gravel based growing medium with calcined clay on medium physical properties and growth of Gymnocladus dioicus seedlings
(University of Missouri--Columbia, 2006)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The Missouri Gravel Bed (MGB) is a system that uses pea gravel with 10% sand (v/v) as a root growth medium, allowing bare root plants to be removed from the gravel and planted...
Hydrodynamic characteristics and capillary-assisted heat transfer enhancement of non-condensing/condensing two-phase flows
(University of Missouri--Columbia, 2020)
Interfacial characteristics of two-phase flows were studied through visualization experiments and numerical simulation using computational fluid dynamics (CFD) based on the volume-of-fluid (VOF)-continuum surface force (CSF) method...
The dissolution rate of unirratiated UO₂ under repository conditions: the influence of fuel and water chemistry, dissolved oxygen, and temperature
(University of Missouri--Columbia, 2008)
the values predicted by the model at 25°C. After long time periods when the radiolytic field has diminished, additional benefits in dissolution reduction should exist due to constituents such as Gd₂O₃ in the fuel matrix and silicate in the groundwater. Thus...
Stand structure development effects on wood quality of Melina (Gmelina arborea roxb.)
(University of Missouri--Columbia, 2009)
of log grade through the harvest cycle shows the highest increments at Cordoba region. Dendrometric variables such as heartwood, sapwood, and diameter and crown height are good estimators of tree volume, taper and branch modeling....
Rheological and morphological evolution of basaltic lava flows
(University of Missouri--Columbia, 2018)
the following research questions: (1) How does the rheology of active flows evolve during emplacement; and (2) How can we use flow morphology to infer the rheology of inactive flows? ... At Piton de La Fournaise (La R�union, FR DOM), I addressed the longstanding...
Pluton source varition over two magmatic pulses in the white-inyo range, central-eastern California : implications for paleozoic and mesozoic tectonic reconstructions
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] This dissertation uses compositions of plutons in the White-Inyo Range (WIR) of central-eastern California, which is an important tectonic boundary as it is the easternmost...
Nonlinear mechanics and testing of highly flexible one-dimensional structures using a camera-based motion analysis system
(University of Missouri--Columbia, 2006)
the attractors of the Hopf branch and the isolated branch solutions were investigated. A 3D motion analysis system was used to perform dynamic testing on vibrations of strings and cables. Experimental frequency response curves were obtained and analyzed. Linear...
Numerical solutions to the Poisson equation in media surrounding multiple arbitrarily shaped bodies
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The dissertation describes a general, efficient, and parallelized approach to solving the Poisson equation in the volume surrounding multiple, arbitrarily shaped bodies. Green...
Geochronologic and thermochronologic constraints on the Mesozoic to Cenozoic deformation history of southeastern California
(University of Missouri--Columbia, 2022)
Southeastern California hosts a complex zone of deformation defined by structures related to the San Andreas fault, such as the sinistral Garlock fault and the largely dextral eastern California shear zone, as well as ...
Interaction of organophosphorus insecticide (Ciovap(R)) with phenothiazine anthelmintic in sheep with or without Haemonchus and Trichostrongylus species infection
(University of Missouri -- Columbia., 1981)
"This study was undertaken to examine the extent of cholinesterase inhibition and clinical effects of repeated topical application of the organophosphorus insecticide (Ciovap (R)) and the oral administration of phenothiazine ...
Detrital zircon geochronology of the Upper Miocene Boleo Formation in the Santa Rosalia, Baja California Sur, Mexico
(University of Missouri -- Kansas City, 2019)
The Santa Rosalía Basin (SRB), Baja California Sur, is a transtentional to rift basin
that formed during the opening of the Gulf of California. The Boleo Formation is the oldest
and dominant sedimentary fill of the ...
Bayesian cusp regression and linear mixed model
(University of Missouri--Columbia, 2022)
the Bayes factors. The performance of the options are examined by numerical studies. Finally, we prove the consistency of Bayes Factors of our proposed priors in 2-way ANOVA model....
Indexes of the influence of weather on corn yields in Missouri
(University of Missouri--Columbia, 1964)
yields in Missouri. The study was designed (1) to construct and evaluate Indexes of weather using existing techniques in a designated Central Missouri area, (2) to construct and evaluate indexes of weather in a designated area utilising the most recent...