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Articles 91 - 103 of 103
Full-Text Articles in Entire DC Network
Adsorption Of Antimony By Birnessite And The Impact Of Antimony On The Electrostatic Surface Properties Of Variable-Charge Soil Minerals, Kalyn Alaine Vergeer
Adsorption Of Antimony By Birnessite And The Impact Of Antimony On The Electrostatic Surface Properties Of Variable-Charge Soil Minerals, Kalyn Alaine Vergeer
Masters Theses
Antimony (Sb) is a toxin that can be found in high concentrations in the soil due to anthropogenic sources. Antimony exists in soil as Sb(V) in the monovalent antimonate hydroxyanion. The adsorption mechanisms of Sb(V) are not well-characterized. The objective of this study was to further elucidate Sb(V) adsorption mechanisms by examining the impact of adsorption on surface charging characteristics of gibbsite, goethite, birnessite, and kaolinite. Also examined was Sb(V), SO4 [sulfate], and PO4 [phosphate] adsorption by birnessite. Electrophoretic mobility and potentiometric titrations were employed to examine the ζ-potential [zeta-potential] and net proton surface charge density as a …
A Search For Volatile Ices On The Surfaces Of Cold Classical Kuiper Belt Objects, Daine Michael Wright
A Search For Volatile Ices On The Surfaces Of Cold Classical Kuiper Belt Objects, Daine Michael Wright
Masters Theses
The surprisingly complex dynamical distribution of small bodies among and beyond the orbits of the planets has changed our understanding of Solar System evolution and planetary migration. Compositional information about the small bodies in the Solar System provides constraints for models of Solar System formation. According to most models, the Kuiper Belt population known as the cold classicals formed at distances far enough from the Sun for these objects to be composed of an appreciable fraction of volatile ices of diverse composition (H2O, CO2, CH4, light hydrocarbons, e.g. CH3OH) and their orbits …
Finding Nuclear Drip Lines And Studying Two Proton Emission, Alexander Matthew Perhac
Finding Nuclear Drip Lines And Studying Two Proton Emission, Alexander Matthew Perhac
Chancellor’s Honors Program Projects
No abstract provided.
A Fundamental Theorem Of Multivariable Calculus, Joseph D. Daws Jr.
A Fundamental Theorem Of Multivariable Calculus, Joseph D. Daws Jr.
Chancellor’s Honors Program Projects
No abstract provided.
3design - Holographic Telecollaboration Interface, Thomas W. De Wit, Mark Gill, Scott Freemon, Preston Garland
3design - Holographic Telecollaboration Interface, Thomas W. De Wit, Mark Gill, Scott Freemon, Preston Garland
Chancellor’s Honors Program Projects
No abstract provided.
A Study Of Poisson And Related Processes With Applications, Phillip Mingola
A Study Of Poisson And Related Processes With Applications, Phillip Mingola
Chancellor’s Honors Program Projects
No abstract provided.
Comparison Of Methodologies For Synthesis Of 3-(Cyclopropylethynyl)Benzisothiazole 1,1-Dioxide, Rachel Lee Naramore
Comparison Of Methodologies For Synthesis Of 3-(Cyclopropylethynyl)Benzisothiazole 1,1-Dioxide, Rachel Lee Naramore
Chancellor’s Honors Program Projects
No abstract provided.
Chemical Characterization And Anion Exchange Properties Of A West Tennessee Loess Soil, Jessica Lynn Ottinger
Chemical Characterization And Anion Exchange Properties Of A West Tennessee Loess Soil, Jessica Lynn Ottinger
Masters Theses
Loess soils of west Tennessee may potentially contain large amounts of subsoil metal oxides (Fe, Al, and Mn) which may retain and restrict the movement of conservative anions, such as nitrate (NO3). The potential utilization of large quantities of flue gas desulfurization (FGD) gypsum on these soils may displace subsoil NO3, releasing it to adversely impact sensitive aquatic environments. This research examines the depth distribution of Fe-, Al, and Mn-oxyhydroxides, pH, particle size distribution, and of the cation and anion exchange capacity and exchange phase composition to identify depths that have the greatest potential for anion …
Synthesis Of Isotopologues And Nanoparticles For Hyper Raman Spectroscopy, Burton K. Mandrell
Synthesis Of Isotopologues And Nanoparticles For Hyper Raman Spectroscopy, Burton K. Mandrell
Chancellor’s Honors Program Projects
No abstract provided.
Suspended Sediment Concentrations In Three Tributaries Of The Little River, Chaney Swiney
Suspended Sediment Concentrations In Three Tributaries Of The Little River, Chaney Swiney
Chancellor’s Honors Program Projects
No abstract provided.
Modeling The Relationship Between Coal Mining And Respiratory Health In West Virginia, Jessica Welch
Modeling The Relationship Between Coal Mining And Respiratory Health In West Virginia, Jessica Welch
Chancellor’s Honors Program Projects
No abstract provided.
Stand Dynamics And Fire History Of A Southern Appalachian Pine-Hardwood Forest On Rainy Mountain, Chattahoochee National Forest, Georgia, U.S.A., Alex William Dye
Stand Dynamics And Fire History Of A Southern Appalachian Pine-Hardwood Forest On Rainy Mountain, Chattahoochee National Forest, Georgia, U.S.A., Alex William Dye
Masters Theses
In the American Southeast, forest managers and conservationists are interested in evaluating how forest composition is changing in response to both human and natural disturbances. This study explored the stand dynamics of a pine-hardwood forest on Rainy Mountain in the Chattahoochee National Forest of Georgia over the last 115 years and analyzed the role fire has had as a disturbance in the forest. Increment cores were collected from trees in 30 plots, each 0.01 ha in area. The cores were used to determine date of establishment of each tree and create age structure charts for each plot and for the …
Big Homotopy Theory, Keith Gordon Penrod
Big Homotopy Theory, Keith Gordon Penrod
Doctoral Dissertations
Cannon and Conner developed the theory of "big fundamental groups." This is meant to expand on the notion of fundamental group and is a powerful tool that can be used for distinguishing spaces that are not distinguishable using the fundamental group. Turner proved several classical results, such as covering theory and Seifert-VanKampen for big fundamental groups. The purpose of this paper is to expand on the the theory, to refine the definitions, and to give more examples. Also, in this paper, we define big higher homotopy groups analogous to the way classical higher homotopy groups are defined.