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Speciation And Spectroscopy Of The Uranyl And Tetravalent Plutonium Nitrate Systems: Fundamental Studies And Applications To Used Fuel Reprocessing, Nicholas A. Smith

UNLV Theses, Dissertations, Professional Papers, and Capstones

This dissertation explores the use of UV-Visible spectroscopy and Time Resolved Laser Induced Fluorescence spectroscopy as near real time process monitors of uranium and plutonium concentrations in aqueous reprocessing trains. The molar absorptivities and linear ranges of these metals were investigated under total nitrate and acid concentrations similar to those found in current reprocessing systems. Concurrent to this, a new multiple wavelength monitor was derived that is capable of determining the total nitrate concentration spectroscopically. This method uses the uranium absorbance spectrum to calculate the nitrate concentration in solution. When used as part of an Advanced Safeguard suite, this technique …

Effect Of Spatial And Temporal Variability Of Antecedent Moisture Content On Model-Generated Runoff From An Arid Watershed, William J. Meyer

UNLV Theses, Dissertations, Professional Papers, and Capstones

Streams in the arid southwest are typically ephemeral, and stream gages are not commonly available. Consequently, runoff data from storm events is not available, and flood control facility design or other water resource related decisions are based on synthetic hydrographs. In the Mojave Desert region of Southern Nevada, the duration of storm used to develop these synthetic hydrographs is the 6 hour storm. The 6 hour storm is used to simulate high intensity summer storms. Additionally, soils information used in the calculations for these synthetic hydrographs is taken from maps that are generally developed for a broad range of issues …

Number 14, 2010, Palara Editors

PALARA: Publication of the Afro-Latin/American Research Association

Complete Issue

A Monte Carlo Paradigm For Capillarity In Porous Media, Ning Lu, Benjamin D. Zeidman, Mark T. Lusk, Clinton S. Willson, David T. Wu

Faculty Publications

Wet porous media are ubiquitous in nature as soils, rocks, plants, and bones, and in engineering settings such as oil production, ground stability, filtration and composites. Their physical and chemical behavior is governed by the distribution of liquid and interfaces between phases. Characterization of the interfacial distribution is mostly based on macroscopic experiments, aided by empirical formulae. We present an alternative computational paradigm utilizing a Monte Carlo algorithm to simulate interfaces in complex realistic pore geometries. The method agrees with analytical solutions available only for idealized pore geometries, and is in quantitative agreement with Micro X-ray Computed Tomography (microXCT), capillary …

Translating Expertise Into Effective Instruction: The Impacts Of Cognitive Task Analysis (Cta) On Lab Report Quality And Student Retention In The Biological Sciences, David F. Feldon, Briana Crotwell Timmerman, Krik A. Stowe, Richard Showman

Instructional Technology and Learning Sciences Faculty Publications

Poor instruction has been cited as a primary cause of attrition from STEM majors and a major obstacle to learning for those who stay [Seymour and Hewitt [1997]. Talking about leaving: Why undergraduates leave the sciences. Boulder, CO: Westview]. Using a double-blind design, this study tests the hypothesis that the lack of explicit instructions in scientific inquiry skills is a major factor in both low STEM retention and academic underperformance. This project delivered supplemental instruction to students in a laboratory-based undergraduate biology course (n = 314) that was derived either from cognitive task analyses (CTAs) conducted with expert biologists (treatment) …

Efficient Index For Retrieving Top-K Most Frequent Documents, Wing Kai Hon, Manish Patil, Rahul Shah, Shih Bin Wu

Faculty Publications

In the document retrieval problem (Muthukrishnan, 2002), we are given a collection of documents (strings) of total length D in advance, and our target is to create an index for these documents such that for any subsequent input pattern P, we can identify which documents in the collection contain P. In this paper, we study a natural extension to the above document retrieval problem. We call this top-k frequent document retrieval, where instead of listing all documents containing P, our focus is to identify the top-k documents having most occurrences of P. This problem forms a basis for search engine …

Education Of Mathematically Talented Students In Hungary, Julianna Connelly Stockton

Mathematics Faculty Publications

Hungary is famous for its production of large numbers of highly talented mathematicians and physicists. This study explores the Hungarian system for educating mathematically talented secondary school students with the goal of identifying successful features that may be applicable to education in the United States. Highlights of the Hungarian approach include an emphasis on problem solving, problem posing, detailed explanation or proof for solutions, and development of mathematical creativity through the search for multiple solution paths.

International Security Strategy And Global Population Aging, Christian Leuprecht

Journal of Strategic Security

To be successful, grand strategy requires objectives, concepts, and resources to be balanced appropriately with a view to defeating one’s enemy. The trouble is, of course, that Generals are always well prepared to fight the last war. In the words of Yogi Berra, predictions are always difficult, especially when they involve the future. Yet, grand strategy is all about the future. But how is one to strategize about a future that is inherently difficult to predict? One way to overcome this conundrum is to rely on independent variables that can be projected into the future with reasonable accuracy. Aside from …

Operation Opera: An Ambiguous Success, Joshua Kirschenbaum

Journal of Strategic Security

To assess the efficacy of Israel's strike on Osirak, one must determine Israel's strategic objectives and their material effects on Iraqi capabilities. The capacity of the facilities to produce fissionable material without detection remains in dispute. So, too, does the timeline—and therefore the imminence—of Iraqi acquisition of a nuclear option. The political cost-benefit equation in this case requires a fair dose of subjective judgment. How much did the Israelis delay the program? How much did Iraqi motivation increase post facto? Is military counter-proliferation a viable strategy? Was the potential Iraqi bomb worth risking a bold, unprovoked attack that inevitably drew …

Devolving Jihadism, Aaron Rosler

Journal of Strategic Security

The danger and effectiveness of religiously motivated terrorist organizations is undeniable. However, a different type of threat is on the rise on the global playing field as a result of the ongoing operations against these organizations. "Devolved" jihadism, Islamist terrorism conducted by native, amateur, untrained and unfunded individuals, or small ad hoc groups, has recently garnered headlines and the attention of terrorists and counterterrorists alike. These devolved jihadist operations are planned and carried out by native members of a country's populace, radicalized in their home country, resulting in the interchangeable monikers of "homegrown" or "grassroots" jihadism.

Book Reviews, Edward J. Hagerty, David B. Gray, Edward M. Roche, Mark Roberts

Journal of Strategic Security

No abstract provided.

Cover & Front Matter

Journal of Strategic Security

No abstract provided.

The Security Impact Of Oil Nationalization: Alternate Futures Scenarios, Peter Johnston

Journal of Strategic Security

This article highlights the security impact of oil nationalization, develops and analyzes four energy security scenarios, and suggests options to reduce the potential negative impact of oil nationalization. In addition to the use of oil as a weapon, nationalization of oil can also lead to competition for scarce resources among states, facilitate the funding of terrorists or insurgents, contribute to destabilizing regional arms races, influence intra-state conflict, and sustain antagonistic political agendas.

Mugged Twice?: Payment Of Ransom On The High Seas, Lawrence Rutkowski, Bruce G. Paulsen, Jonathan D. Stoian

American University Law Review

No abstract provided.

Kinematics And Vorticity In Kangmar Dome, Southern Tibet: Testing Midcrustal Channel-Flow Models For The Himalaya, Tom Wagner, Jeffrey Lee, Bradley R. Hacker, Gareth Seward

All Faculty Scholarship for the College of the Sciences

Kinematic, kinematic vorticity (W_m), and deformation temperature analyses were completed to test the hypothesis that midcrustal rocks exposed in the core of the Kangmar gneiss dome, southern Tibet record ductile deformation patterns of a “frozen” segment of a southward flowing midcrustal channel. Microscopic and mesoscopic kinematic indicators exhibit a downward transition from a subequal mix of top-north and top-south shear in garnet zone rocks to dominantly top-north shear in staurolite/kyanite zone and deeper rocks. Kinematic vorticity values indicate an increase in pure shear component with depth from ∼48% pure shear in chloritoid zone rocks through ∼62% in …

Minutes, College Of Arts & Sciences Academic Programs Committee Meeting, December 1, 2010, University Of South Florida St. Petersburg. College Of Arts And Sciences

Academic Programs Committee Meeting Minutes

Minutes from the December 1, 2010, meeting of the University of South Florida St. Petersburg College of Arts & Sciences's Academic Programs Committee.

A Disposition To Reappraise Decreases Anterior Insula Reactivity During Anxious Anticipation, Joshua M. Carlson, Lilianne R. Mujica-Parodi

Journal Articles

No abstract provided.

Reformed Worship (Rw) 98 - Lent / Easter (December 2010), Reformed Worship Editors

Reformed Worship Magazine

Features

Walking with Jesus through Holy Week by Tom Vos....3

Good Friday News by David Gambrell....4

Lead Me to the Rock by Sonya Vanderveen Feddema....6

To the Cross by Leon H. Johnston....15

Stations of the Cross by Julie Janisch....16

A Creative Communion by Eric Nykamp....18

Let the Trumpet Sound! by Peter Kuipers....29

An Arts Festival for Holy Week by A. Merril Smoak, Jr....32

The Suffering Servant by Tim Schuurman....34

Singing the Shepherd Psalm by Carl P. Daw, Jr.....38

Identifying with Christ by Stacey Gleddiesmith....42

Departments

Editorial: What Language Shall …

Development Of The Mgs Approach Guardrail Transition Using Standardized Steel Posts, Scott K. Rosenbaugh, Ronald K. Faller, Robert W. Bielenberg, Karla A. Lechtenberg, Dean L. Sicking, John D. Reid

Nebraska Department of Transportation: Research Reports

No abstract provided.

Second Generation Precast Deck Panel (Nudeck) System, Kromel E. Hanna, George Morcous, Maher K. Tadros

Nebraska Department of Transportation: Research Reports

No abstract provided.

Dynamic Impact Testing Of Wood Posts For The Midwest Guardrail System Placed Adjacent To A 2h:1v Fill Slope, Karla A. Lechtenberg, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, Mary D. Mcghee, John D. Reid

Nebraska Department of Transportation: Research Reports

No abstract provided.

Performance Evaluation Of Brass Breakaway Couplings, Joseph G. Putjenter, Scott K. Rosenbaugh, Karla A. Lechtenberg, Ronald K. Faller, Dean L. Sicking, John D. Reid

Nebraska Department of Transportation: Research Reports

No abstract provided.

Layer Moduli Of Nebraska Pavements For The New Mechanistic Empirical Pavement Design Guide, Soohyok Im, Yong-Rak Kim, Hoki Ban

Nebraska Department of Transportation: Research Reports

No abstract provided.

"We're Parents Too!" Changes In Father Involvement In Domestic Labor Among Urban Middle Class Dual-Worker Couples, Ruth Burgett Jolie

Anthropology ETDs

The purpose of this dissertation is to investigate fathers involvement in domestic labor among middle class, dual-worker families in Albuquerque, New Mexico. I argue that men's participation in domestic labor is affected by their parental identities. Three things influence parental identity: (1) demographics, including socioeconomic position, age, race/ethnicity, (2) religiosity, meaning ones adherence to religious values and participation in a formal religious institution (Wilcox 2002:781), and (3) parental ideology, denoting the belief structure surrounding what a parent ought to do. Demography and religiosity are themselves mediated by parental ideology, and in turn also further shape, parental ideology. Parental ideology directly …

Virtual Proofing In The Packaging Industry, Kaitlin Rockway, Andrew Mceachron

Graphic Communication

The purpose of this study is to measure the variation of opacity when overprinting spot colors on film during a typical flexographic press run and to determine how that variability affects the reliability of virtual proofing. This study addresses the packaging industry’s current attitude toward virtual proofing and how the adoption of virtual proofing will affect a package printer. It also explains how virtual proofing works and the equipment and processes needed to implement a virtual proofing workflow.

This study explains the process of printing the test targets that were provided by Integrated Color Solutions and the data collected from …

Violence, Symbols, And The Archaeological Record: A Case Study Of Cahokia's Mound 72, Kathryn Koziol

Graduate Theses and Dissertations

Acts of violence are not always easily distinguished in their form. Given the additional difficulties caused by the obscure nature of the archaeological record, it is no wonder that interpretations of these behaviors are so skewed both between and within fields of research. There is little consistency in this academic dialogue, which prevents researchers from grappling with the larger perspectives that should be approached. For instance, just how far back in our human history have events such as genocide occurred? Are these modern in origin? The scale of ancient events and our anthropological scopes need more adjustment to the unique …

The Effects Of Higher Education Endowment Management Practices On Endowment Performance, Robert Louie Stanton Mcelhaney

Dissertations

The purpose of this study was to identify college and university endowments valued from $100 million to $1 billion and to determine the relationship between the five-year investment performance and selected endowment management practices. Data on the five-year investment performance and endowment management practices were obtained by the use of a survey instrument. The survey instrument was sent to 293 colleges and universities. Usable responses were received from 56 institutions. The 56 participants provided data on endowment performance, endowment governance, investment policies, investment managers, and investment manager selection practices.

To determine the endowment management practices that would best explain the …

The Secret Identity Of Race: Exploring Ethnic And Racial Portrayals In Superhero Comic Books, Lowery Anderson Woodall Iii

Dissertations

Does race exist in comics? And if so, what do those characters tell us about how one of the largest fiction producing industries in the country has explained minority relationships to its millions of readers? This study took a close look at three of the most successful comic book characters of all time (Batman, Superman, and The Black Panther) and examines how each exemplifies a position that the comic book industry has taken on race over the years. Using a counter-narrative analysis informed by the strategies of Critical Race Theory and post-modernist thought, the racial messages lying beneath the surface …

Folate Receptor-Targeted Delivery Of Small Interfering Rna To Cancer Cells, Yilin Zhang

Dissertations

The vitamin folic acid (folate, FA) has been extensively explored as a targeting ligand to deliver a variety of diagnostic/prognostic/therapeutic agents into various tumors through the assistance of its receptor – the folate receptor (FR). FR is over-expressed in many types of human cancer and can mediate internalization of FA-conjugates through an endocytic pathway. The discovery of small interfering RNA (siRNA), which is cable of inducing potent gene silencing in a sequence-specific manner, provides an excellent molecular tool to suppress aberrant gene expression in malignancies, and therefore siRNA has the potential to revolutionize cancer therapeutics. Towards the goal of developing …

The Influence Of Nanoporous Crystalline Structure On Low Molecular Weight Mass Transport In Syndiotactic Polystyrene, Justin Paul Brandt

Dissertations

Solid-state structure, crystalline morphology, crystallization kinetics, thermal, free volume, and gas transport properties of semicrystalline syndiotactic polystyrene (sPS) and ethylene vinyl alcohol copolymers (EVOH) have been investigated. Solid-state structure of sPS after crystallization from the melt and glassy state was examined by differential scanning calorimetry (DSC), density and wide angle x-ray diffraction analysis (WAXD). The measurements confirmed low density of syndiotactic polystyrene crystalline forms, which in the case of α and δe was smaller and in the case of β and γ crystalline forms was slightly larger than the density of the glassy amorphous sPS. Positron annihilation lifetime spectroscopy (PALS) …