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Articles 31 - 60 of 1612
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Birds Of Washington: Status And Distribution Edited By Terence R. Wahl, Bill Tweit, And Steven G. Mlodinow, Clayton M. White
Birds Of Washington: Status And Distribution Edited By Terence R. Wahl, Bill Tweit, And Steven G. Mlodinow, Clayton M. White
Western North American Naturalist
No abstract provided.
Raptors Of California By Hans Peeters And Pam Peeters, Clayton M. White
Raptors Of California By Hans Peeters And Pam Peeters, Clayton M. White
Western North American Naturalist
No abstract provided.
Technique And Performance Level Comparisons Of Male And Female Hammer Throwers, Suzanne M. Konz
Technique And Performance Level Comparisons Of Male And Female Hammer Throwers, Suzanne M. Konz
Theses and Dissertations
The aim of this study was two-fold: 1) what the hammer throwing technique differences between sexes are and 2) what technique parameters help determine throw distance. The performances of the top 16 male and female throwers at the 2003 World Athletic Final and the top 13 male and female throwers from the 2003 USA Track and Field Nationals were examined. Video was captured using three Canon 60 Hz cameras. The best throws of each athlete were digitized and analyzed using the Peak Motus 8.2 motion analysis system. T-tests revealed that athlete mass, athlete height, velocity at release, timing components, and …
Expression And Function Of Alpha3 And Beta2 Neuronal Nicotinic Acetylcholine Receptor Subunits In Hek-293 Cells, Nathan W. Steinhafel
Expression And Function Of Alpha3 And Beta2 Neuronal Nicotinic Acetylcholine Receptor Subunits In Hek-293 Cells, Nathan W. Steinhafel
Theses and Dissertations
Single-cell real-time quantitative RT-PCR was used to characterize the mRNA expression of rat neuronal nicotinic acetylcholine receptor (nAChR) subunits α3 and β2 in CA1 hippocampus stratum radiatum and stratum oriens interneurons. α3β2 co-expression was detected in 43% of interneurons analyzed. The nAChR subtype α3β2 was transiently expressed in cells derived from the human embryonic kidney cell line 293 at mRNA levels found in the CA1. The functional properties of α3β2 in HEK-293 cells were characterized by whole-cell patch clamping using acetylcholine (ACh) as an agonist. The kinetics of α3β2 channels were further analyzed by altering the level of α3 DNA …
Financial Analysis And Fiscal Viability Of Secondary Schools In Mukono District, Uganda, Janet Jeffery Tanner
Financial Analysis And Fiscal Viability Of Secondary Schools In Mukono District, Uganda, Janet Jeffery Tanner
Theses and Dissertations
Within the worldwide business community, many analysis tools and techniques have evolved to assist in the evaluation and encouragement of financial health and fiscal viability. However, in the educational community, such analysis is uncommon. It has long been argued that educational institutions bear little resemblance to, and should not be treated like, businesses. This research identifies an educational environment where educational institutions are, indeed, businesses, and may greatly benefit from the use of business analyses. The worldwide effort of Education for All (EFA) has focused on primary education, particularly in less developed countries (LDCs). In Sub-Saharan Africa, Uganda increased its …
Banking Transactions And Controls Training For Deutsche Bank Operations Employees, Jodi Young
Banking Transactions And Controls Training For Deutsche Bank Operations Employees, Jodi Young
Theses and Dissertations
This report describes the development process of the Deutsche Bank Intro to Controls instructional training tool. This course utilizes a multi-faceted, blended approach, including web-based training, simulation, and instructor-led training components to teach complex banking operations. The report includes a literature review describing instructional theories, and strategies concerning the use of a blended approach in the training of complex systems and operations. The report also includes a description of the formative evaluation process and results. These results demonstrated a positive response to the content and instructional strategies employed in the training, as well as the need for future research to …
Disaster Communication Networks: A Case Study Of The Thai Red Cross And Their Disaster Communication Response To The Asian Tsunami, Tami J. Matthews
Disaster Communication Networks: A Case Study Of The Thai Red Cross And Their Disaster Communication Response To The Asian Tsunami, Tami J. Matthews
Theses and Dissertations
Disaster victims and vulnerable populations are audiences that communications professionals and scholars have ignored. Public relation practices dominate current disaster communication policy. This study examines the disaster communication network, including policy and practice, of the Thai Red Cross, before, during, and after the Asian tsunami. Disaster communication(s) is defined as the sharing and exchange of information with the victims immediately affected by a disaster. This definition focuses specifically on the vulnerable audience and allows response efforts to emerge from multiple disciplines. Focusing response efforts on victims' assessed needs and abilities allows for a multi-disciplinary approach to mitigate further suffering. The …
A Seal Of Living Reality: The Role Of Personal Expression In Latter-Day Saint Discourse, C. Julianne Smith
A Seal Of Living Reality: The Role Of Personal Expression In Latter-Day Saint Discourse, C. Julianne Smith
Theses and Dissertations
A personal mode of discourse is central to Latter-day Saint culture. This mode is both pervasive throughout the culture and significant within it. Two specific genres-the personal experience narrative and the personal testimony-illustrate the importance of this discourse mode in LDS culture. Understanding the LDS personal mode of discourse is essential to properly understanding Mormonism. The personal orientation in LDS discourse mirrors a tendency towards personal expression which has become common throughout Western culture. This tendency has important roots in the Protestant religious movement. In particular, Puritanism represents a significant point of origin for American personal expression. Such expression has …
Evolution In Neotropical Herpetofauna: Species Boundaries In High Andean Frogs And Evolutionary Genetics In The Lava Lizard Genus Microlophus (Squamata: Tropiduridae): A History Of Colonization And Dispersal, Edgar Benavides
Theses and Dissertations
In this collection of papers I have summarized my investigations into the field of evolutionary genetics and more specifically into patterns of biodiversity and evolutionary processes. The lizards (and frogs) studied here share common features in that they are largely present in unique environments, which are also regions that are biologically understudied. Most of these taxa show high degrees of endemism, interesting natural history characteristics, and each group manifests distinctive adaptations of general evolutionary interest. My work in the genus Telmatobius has been a progressive approach that began in my MS program, and it first focused on alpha taxonomy, morphological …
Shape Matching, Relevance Feedback, And Indexing With Application To Spine X-Ray Image Retrieval, Xiaoqian Xu
Shape Matching, Relevance Feedback, And Indexing With Application To Spine X-Ray Image Retrieval, Xiaoqian Xu
Theses and Dissertations
The National Library of Medicine (NLM), an institute in the National Institutes of Health (NIH), maintains a collection of 17,000 digitized spine X-ray images obtained from the second National Health and Nutrition Examination Survey (NHANES II). Research effort has been devoted to develop a web-accessible retrieval system that allows retrieval of images from the NHANES II database on relevant and frequently found pathologies. A comprehensive and successful image retrieval system requires effective image representation and matching methods, relevance feedback algorithms to incorporate user opinions, and efficient indexing schemes for fast access to image databases. This dissertation studies and develops approaches …
An Analysis Of The Accounting Methods Used By Builders Producing Twenty-Five Or Fewer Homes Per Year, David Andrus
An Analysis Of The Accounting Methods Used By Builders Producing Twenty-Five Or Fewer Homes Per Year, David Andrus
Theses and Dissertations
Accounting plays a crucial role in the success of any business, but it is particularly vital in the construction industry, a complex field that typically requires the coordination of multiple subcontractors and multiple jobs in any given year. Although small-volume home builders make up 70 percent of the membership of the National Association of Home Builders (NAHB), a trade association of the home building industry, little is known about the accounting practices of these builders. This thesis undertook to study the accounting practices of small-volume home builders. Small-volume home builders were defined as those producing 25 homes or fewer in …
A Dynamic Workflow Framework For Mass Customization Using Web Service And Autonomous Agent Technologies, Daniel J. Karpowitz
A Dynamic Workflow Framework For Mass Customization Using Web Service And Autonomous Agent Technologies, Daniel J. Karpowitz
Theses and Dissertations
Custom software development and maintenance is one of the key expenses associated with developing automated systems for mass customization. This paper presents a method for reducing the risk associated with this expense by developing a flexible environment for determining and executing dynamic workflow paths. Strategies for developing an autonomous agent-based framework and for identifying and creating web services for specific process tasks are presented. The proposed methods are outlined in two different case studies to illustrate the approach for both a generic process with complex workflow paths and a more specific sequential engineering process.
A Torque Based Power Input Model For Friction Stir Welding, Jefferson W. Pew
A Torque Based Power Input Model For Friction Stir Welding, Jefferson W. Pew
Theses and Dissertations
For decades models have been developed for predicting the size of the weld nugget and heat affected zones in fusion welded structures. The basis for these models is the welding heat input, which is fairly well understood for most arc welding processes. However, this traditional approach is not as straightforward for Friction Stir Welding (FSW). To date, there is no definitive relationship to quantify the heat input for FSW. An important step to establish a heat input model is to identify how FSW process parameters affect weld power. This study details the relationship between FSW process parameters and torque for …
Design And Construction Of Pavements In Cold Regions: State Of The Practice, Brad Steven Smith
Design And Construction Of Pavements In Cold Regions: State Of The Practice, Brad Steven Smith
Theses and Dissertations
The effects of frost action introduce many challenges in the design and construction of roadways in cold regions throughout the United States. The penetration of frost into pavement structures can lead to differential frost heave during winter and thaw weakening during spring. Both of these damage mechanisms lead to premature pavement distress, structural deterioration, and poor ride quality. Because the availability of naturally occurring non-frost-susceptible pavement base materials is rapidly diminishing in many areas while project budgets remain largely inadequate, pavement engineers are utilizing alternative materials and techniques to minimize such damage. The purpose of this research was to investigate …
Brain Stimulation Reward Is Integrated By A Network Of Electrically-Coupled Gaba Neurons, Matthew Brian Lassen
Brain Stimulation Reward Is Integrated By A Network Of Electrically-Coupled Gaba Neurons, Matthew Brian Lassen
Theses and Dissertations
Although it is well-established that animals will self-stimulate electric current to various diverse brain structures, the neural substrate of brain stimulation reward (BSR) has eluded identification since its discovery more than a half-century ago. We show that GABA neurons in the midbrain, hypothalamus and thalamus express connexin-36 (Cx36) gap junctions and couple electrically with dopamine application or by stimulation of the internal capsule (IC), which also supports self-stimulation. The threshold for responding for self-stimulation of the IC is the threshold for coupling between these GABA neurons, the degree of responding for IC ICSS is proportional to the magnitude of electrical …
Analysis Of Near-Infrared Phase Effects On Biometric Iris Data, Brady Roos Stevenson
Analysis Of Near-Infrared Phase Effects On Biometric Iris Data, Brady Roos Stevenson
Theses and Dissertations
The purpose of this research is to ascertain potential iris scan data variations from near infrared waves derived from fluorescent illumination. Prior studies of iris data variances from infrared wave interference of halogen, incandescent, and sunlight with iris cameras suggest that similar changes may exist under near infrared wavelengths from fluorescent light. The concern is that the fluorescent energy emission may interfere with the near infrared detection of an iris camera. An iris camera is used to measure human eye characteristics known as biometrics. If such infrared emission is statistically significant, then it can alter the validity of the iris …
Large 3-D Deflection And Force Analysis Of Lateral Torsional Buckled Beams, Robert Parley Chase
Large 3-D Deflection And Force Analysis Of Lateral Torsional Buckled Beams, Robert Parley Chase
Theses and Dissertations
This thesis presents research on the force and deflection behavior of beams with rectangular cross-sections undergoing lateral torsional buckling. The large 3-D deflection path of buckling beam tips was closely approximated by circular arcs in two planes. A new chain algorithm element was created from pseudo-rigid-body segments and used in a chain calculation that accurately predicted the force deflection relationship of beams with large 3-D deflections.
The Birth Of Sacrifice: Iconographic Metaphors For Spiritual Rebirth In Master Matthias' Isenheim Altarpiece, Katherine Lena Anderson
The Birth Of Sacrifice: Iconographic Metaphors For Spiritual Rebirth In Master Matthias' Isenheim Altarpiece, Katherine Lena Anderson
Theses and Dissertations
While little is known concerning the events surrounding the commission of the Isenheim Altarpiece or of the artist known to us as Master Matthias Grünewald, much can be ascertained about the message of the Altarpiece through careful study of the socio-historical-religious context from which the work was commissioned and iconographic analysis of the images portrayed by Master Matthias. This thesis explores iconographic metaphors for birth and sacrifice, metaphors which work to create a theological dialogue about Christian redemption within the nine painted panels and the underlying sculpture that makes up the Isenheim Altarpiece. First, we will address the panels in …
Pilgrimage Narrative: A Pattern For Heavenly Theatre In King Lear, Alexandra Chantal Yvette Mackenzie
Pilgrimage Narrative: A Pattern For Heavenly Theatre In King Lear, Alexandra Chantal Yvette Mackenzie
Theses and Dissertations
I have always felt personally challenged and invigorated by one line in Peter Brook's canonical text The Empty Stage: “if the need for a true contact with a sacred invisibility through the theatre still exists, then all possible vehicles must be re-examined" (Brook 54). This thesis will endeavour to suggest and explore heavenly theatre, one possible vehicle to find that sacred invisibility. I will argue that heavenly theatre encompasses Peter Brook's understanding of holy theatre, but is more specific and tied to the manifestation of deity in the form of the Holy Spirit as understood and defined within my personal …
Using Duplication With Compare For On-Line Error Detection In Fpga-Based Designs, Daniel L. Mcmurtrey
Using Duplication With Compare For On-Line Error Detection In Fpga-Based Designs, Daniel L. Mcmurtrey
Theses and Dissertations
Space destined FPGA-based systems must employ redundancy techniques to account for the effects of upsets caused by radiated environments. Error detection techniques can be used to alert external systems to the presence of these upsets. Readback with compare is an error detection technique commonly employed in FPGA-based designs. This work introduces duplication with compare (DWC) as an automated on-line error detection technique that can be used as an alternative to readback with compare. This work also introduces a set of metrics that is used to quantify the effectiveness and coverage of this error detection technique. A tool is presented that …
A Bayesian Perspective On Estimating Mean, Variance, And Standard-Deviation From Data, Travis E. Oliphant
A Bayesian Perspective On Estimating Mean, Variance, And Standard-Deviation From Data, Travis E. Oliphant
Faculty Publications
This article shows how to compute confidence intervals for mean, standard-deviation, and variance using Bayesian methods. The method is implemented in SciPy as scipy.stats.bayes_mvs After reviewing some classical estimators for mean, variance, and standard-deviation and showing that un-biased estimates are not usually desirable, a Bayesian perspective is employed to determine what is known about mean, variance, and standard deviation given only that a data set in-fact has a common mean and variance. Maximum-entropy is used to argue that the likelihood function in this situation should be the same as if the data were independent and identically distributed Gaussian. A non-informative …
Life Data Analysis Of Repairable Systems: A Case Study On Brigham Young University Media Rooms, Stephen Oluaku Manortey
Life Data Analysis Of Repairable Systems: A Case Study On Brigham Young University Media Rooms, Stephen Oluaku Manortey
Theses and Dissertations
It is an undisputable fact that most systems, upon consistence usage are bound to fail in the performance of their intended functions at a point in time. When this occurs, various strategies are set in place to restore them back to a satisfactory performance. This may include replacing the failed component with a new one, swapping parts, resetting adjustable parts to mention but a few. Any such system is referred to as a repairable system. There is the need to study these systems and use statistical models to predict their failing time and be able to set modalities in place …
Forage Adaptability Trials For Forage And Seed Production In Bolivia; Effect Of 5 Herbicides On 7 Native Utah Forbs, Joshua C. Voss
Forage Adaptability Trials For Forage And Seed Production In Bolivia; Effect Of 5 Herbicides On 7 Native Utah Forbs, Joshua C. Voss
Theses and Dissertations
The harsh environmental and poor economic conditions of the Bolivian Altiplano require intervention to assist many of those that live there to become economically self-sufficient. We attempted to find introduced dry season reserve forage grasses that could produce enough biomass to be useful as feed for livestock, and that could also produce enough seed to distribute to farmers. While some of the grasses produced reasonable amounts of biomass, none produced seed in quantities that would be even close to being economically viable. The most likely cause of this is that the timing of resources that the grasses need to flower …
Development Of Polymer Monoliths For The Analysis Of Peptides And Proteins, Binghe Gu
Development Of Polymer Monoliths For The Analysis Of Peptides And Proteins, Binghe Gu
Theses and Dissertations
Several novel polymer monoliths for the analysis of peptides and proteins were synthesized using polyethylene glycol diacrylate (PEGDA) as crosslinker. Photo-initiated copolymerization of polyethylene glycol methyl ether acrylate and PEGDA yielded an inert monolith that could be used for size exclusion liquid chromatography of peptides and proteins. This macroscopically uniform monolith did not shrink or swell in either water or tetrahydrofuran. More importantly, it was found to resist adsorption of both acidic and basic proteins in aqueous buffer without any organic solvent additives. A strong cation-exchange polymer monolith was synthesized by copolymerization of 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS) and PEGDA. A ternary …
Synthesis And Optical Properties Of Four Oligothiophene-Ruthenium Complexes And Synthesis Of A Bidentate Ligand For C-F Bond Activation, Joseph S. Bair
Synthesis And Optical Properties Of Four Oligothiophene-Ruthenium Complexes And Synthesis Of A Bidentate Ligand For C-F Bond Activation, Joseph S. Bair
Theses and Dissertations
Photovoltaic cells and fluorescence sensing are two important areas of research in chemistry. The combination of photon-activated electron donors with electron acceptors provides a strong platform for the study of optical devices. A series of four oligothiophene-ruthenium complexes has been synthesized. Variation in oligothiophene length and bipyridine substitution allowed comparison of these variables on electronic properties. The longer oligothiophenes display lower energy absorption and emission compared to the shorter ones. Aromatic conjugation appears more complete with para-, rather than meta-, substitution. Oligothiophenes and Ru(bpy)32+ are highly fluorescent individually, but fluorescence is quenched when connected. Bonds of carbon to fluorine are …
Effects Of Telephone Weight Loss Coaching On Body Composition In Adults: A Randomized Controlled Study, Amy Jensen Cook
Effects Of Telephone Weight Loss Coaching On Body Composition In Adults: A Randomized Controlled Study, Amy Jensen Cook
Theses and Dissertations
Objective: To determine the extent to which coaching over the telephone is an effective method in promoting the loss of body weight and body fat percentage. Research Methods and Procedures: Over a period of four months, in a randomized, double blind, placebo-controlled study, 120 overweight and obese (BMI 25-35 kg/m²) adults either received telephone coaching or no coaching. In addition, each participant was randomly assigned to take a supplement or placebo daily. Body weight and body fat percentage were measured at baseline, two months, and four months. Body weight was measured on an electronic scale and body fat percentage was …
The Role Of Wnt Signaling In Development Of The Ophthalmic Trigeminal Placode., Rhonda Nicole Lassiter
The Role Of Wnt Signaling In Development Of The Ophthalmic Trigeminal Placode., Rhonda Nicole Lassiter
Theses and Dissertations
Cranial placodes are ectodermal regions that contribute extensively to the vertebrate peripheral nervous system. The development of the ophthalmic trigeminal (opV) placode, which gives rise only to sensory neurons of the ophthalmic lobe of the trigeminal ganglion, is a well-studied model of sensory neuron development. While key differentiation processes have been characterized at the tissue and cellular levels, the molecules governing opV placode development have not been well described. This study identifies the canonical Wnt signaling pathway as a regulator of opV trigeminal placode development. Introducing dominant-negative TCF and dominant-active β-catenin expression constructs by in ovo electroporation, we have manipulated …
Using Social Network Analysis To Investigate Potential Bias In Editorial Peer Review In Core Journals Of Comparative/International Education, Biao Cheng
Theses and Dissertations
This study explores potential bias in the editorial peer-review system within the context of the field of comparative and international education. Assuming the role as “Guardian of Science” and “social status judge” (Zuckerman & Merton, 1971), peer-review, the quality control system of science, directly affects the growth of science, scientists' academic career and their institutions. The very basic tenet of the peer review system is its assumed objectivity. Bias in editorial peer review process, however, is inevitable. The constitution of the blind peer review mechanism is itself a simply undeniable acknowledgement of that fact. Therefore, this study investigated potential peer-review …
Charting The Future Of Brigham Young University: Franklin S. Harris And The Changing Landscape Of The Church's Educational Network, 1921-1926, J. Gordon Daines Iii
Charting The Future Of Brigham Young University: Franklin S. Harris And The Changing Landscape Of The Church's Educational Network, 1921-1926, J. Gordon Daines Iii
BYU Studies Quarterly
Education is deeply embedded in the theology and religion of The Church of Jesus Christ of Latter-day Saints. Formal educational systems began to develop soon after the establishment of the Church in 1830. The first of these formal systems was the School of the Prophets, established in Kirtland, Ohio, in December 1832 to prepare selected members for missionary work. Nearly a decade later an attempt was made to establish a university in Nauvoo, Illinois. After the move to Utah, the Church continued its involvement in formal education with the establishment of “common schools, stake academies, and colleges and universities.” The …