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2011

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Feminine Framing: Framing Theory And The Media's Portrayal Of Female Athletes, Kamber Seay Dec 2011

Feminine Framing: Framing Theory And The Media's Portrayal Of Female Athletes, Kamber Seay

Honors Theses

The biased portrayal of female athletes by the media has been studied and discussed extensively. The Framing Theory hypothesis is used here to identify a correlation between the way female athletes are portrayed by the media and the way consumers frame their opinions based on these portrayals. A brief public opinion survey was given to a random sample of the student population at Coastal Carolina University. Of the 66 consumers surveyed, 51 (77%) stated that they believe there should be more media focused on female athletes. Of the 66 consumers surveyed, 55 (83%) stated that they believe the media portrays …

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The Female Experience: Study Abroad Students In Egypt, Heather Raquael Walsh Dec 2011

The Female Experience: Study Abroad Students In Egypt, Heather Raquael Walsh

Theses and Dissertations

This qualitative study explores the experiences of female students on study abroad programs, with the aim of answering the following questions: do they face unique challenges as female students (including harassment or assault), how do they avoid or cope with any negative experiences, and can we as language departments better prepare our students to have the best experiences possible? The participants for the study were primarily 12 of 50 students involved in the Brigham Young University Study Abroad to Cairo, Egypt during Spring and Summer terms 2010. Data include participant observation, student journals, and ethnographic interviews conducted during the last …

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Can The Demand Problem Be Fixed? The Effect Of Economic Crisis On The Lodging Sector Of The Tourism Industry., Kirsten Costello Dec 2011

Can The Demand Problem Be Fixed? The Effect Of Economic Crisis On The Lodging Sector Of The Tourism Industry., Kirsten Costello

Honors Theses

While hospitality started with small inns and bed and breakfasts run out of a family's home, the first hotel was a 73-room property in New York City, which was astronomically larger than consumers were accustomed to, (Withiam, 2000, p. 2) and is considered small by today's standards. Throughout life, at one point or another, most have stayed at a bed and breakfast, timeshare, motel, or hotel. Most enjoy the experience, but few realize what happens to lodging properties when there is an economic downturn. During times of economic crisis, families and businesses tend to spend more time controlling expenses, which …

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Investigating The Role Of Online Social Media In Consumer-Firm Relationships, Janna Cole Dec 2011

Investigating The Role Of Online Social Media In Consumer-Firm Relationships, Janna Cole

Honors Theses

Regarding the role of Web 2.0 in business activities, three primary areas of interest are under discussion: (1) how Web 2.0 tools should be integrated into firms' marketing strategies, (2) how Web 2.0 tools should be used to build or retain brand equity and create value with consumers, and (3) how the participation of brands in Web 2.0 influences consumers attitudes and behaviors, if at all. There are some overlaps between these subjects, particularly involving the role of consumers in appreciating or diminishing brands' reputations, as well as information gaps to be filled by further research as these technologies continue …

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Attending College Influences The Perception Of Parenting More Than Young Adults Or Students That Do Not Attend College, Brian Harrison Dec 2011

Attending College Influences The Perception Of Parenting More Than Young Adults Or Students That Do Not Attend College, Brian Harrison

Honors Theses

College has the ability to bring the best out of any individual. It is time consuming, difficult, and often far away from home. Going to college can be a remarkable experience. Moreover, the tools and knowledge one gains from college are invaluable. Most of what a student learns is taught just by going to college and experiencing it first-hand. Whether studying the night before an exam, taking notes during class, or reading for hours on end, everything a student does is a learning experience. But not all lessons are taught out of a textbook and not all lessons apply just …

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Westernization And Muslims In Western Europe, Sean Manahan Dec 2011

Westernization And Muslims In Western Europe, Sean Manahan

Honors Theses

Many scholars argue that as a whole, Muslims in Europe are not successfully integrating into European society. The reasons why are debated and still far from understood. It is clear, however, that many Muslim communities are negatively affected by many socioeconomic factors, leaving them poor and viewed as outcasts. Given these circumstances, scholars have suggested that some individuals join radical Islamist groups to give meaning to their lives and secure a sense of inclusion because they do not feel a part of the country in which they live. However, this fails to explain the numerous cases of highly educated, middle …

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Outsourcing: More Harm Than Good, Ly Luu Pham Dec 2011

Outsourcing: More Harm Than Good, Ly Luu Pham

Honors Theses

Outsourcing is a highly effective strategy, widely used in various types of business to gain a competitive edge. The tremendous growth of outsourcing first started in the manufacturing and information technology industries. It has also spread into the accounting industry as well. However, in accounting the major problems and benefits caused by outsourcing are different from those identified in the manufacturing and IT industries. This leads to the question of whether or not outsourcing in accounting would create more advantages than disadvantages. This paper analyzes the question through four steps: (1) how accounting outsourcing is done, (2) which accounting tasks …

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Son Maintains Accurate Splicing For A Subset Of Human Pre-Mrnas, Alok Sharma, Michael P. Markey, Keshia Torres-Munoz, Sapna Varia, Madhavi P. Kadakia, Athanasios Bubulya, Paula A. Bubulya Dec 2011

Son Maintains Accurate Splicing For A Subset Of Human Pre-Mrnas, Alok Sharma, Michael P. Markey, Keshia Torres-Munoz, Sapna Varia, Madhavi P. Kadakia, Athanasios Bubulya, Paula A. Bubulya

Biochemistry and Molecular Biology Faculty Publications

Serine-arginine-rich (SR) proteins play a key role in alternative pre-mRNA splicing in eukaryotes. We recently showed that a large SR protein called Son has unique repeat motifs that are essential for maintaining the subnuclear organization of pre-mRNA processing factors in nuclear speckles. Motif analysis of Son highlights putative RNA interaction domains that suggest a direct role for Son in pre-mRNA splicing. Here, we used in situ approaches to show that Son localizes to a reporter minigene transcription site, and that RNAi-mediated Son depletion causes exon skipping on reporter transcripts at this transcription site. A genome-wide exon microarray analysis was performed …

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Female Spectators In The July Monarchy And Henry Scheffer's Entrée De Jeanne D’Arc À Orléans, Kalisha Roberts Dec 2011

Female Spectators In The July Monarchy And Henry Scheffer's Entrée De Jeanne D’Arc À Orléans, Kalisha Roberts

Theses and Dissertations

In this thesis I consider Henry Scheffer's Entrée de Jeanne d’Arc à Orléans, le 8 mai 1429 (1843) in relation to female audiences of the July Monarchy. As a part of the larger Galerie des Batailles in the Musée Historique instituted in 1837 by Louis-Philippe, Entrée de Jeanne d'Arc has been addressed relative to the political objectives of the monarchy. Limited scholarship surrounding the Galerie des Batailles has focused on its evolution from royal apartments in the château de Versailles to public museum. However, the broadening of audiences during the July Monarchy and potential points of engagement between viewer and …

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A General Model For Continuous Noninvasive Pulmonary Artery Pressure Estimation, Robert Anthony Smith Dec 2011

A General Model For Continuous Noninvasive Pulmonary Artery Pressure Estimation, Robert Anthony Smith

Theses and Dissertations

Elevated pulmonary artery pressure (PAP) is a significant healthcare risk. Continuous monitoring for patients with elevated PAP is crucial for effective treatment, yet the most accurate method is invasive and expensive, and cannot be performed repeatedly. Noninvasive methods exist but are inaccurate, expensive, and cannot be used for continuous monitoring. We present a machine learning model based on heart sounds that estimates pulmonary artery pressure with enough accuracy to exclude an invasive diagnostic operation, allowing for consistent monitoring of heart condition in suspect patients without the cost and risk of invasive monitoring. We conduct a greedy search through 38 possible …

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Numerical Modeling Of A Dual Pontoon Floating Structure With A Liquid Container, Chai-Cheng Huang, Chih-Ting Feng, Hung-Jie Tang Dec 2011

Numerical Modeling Of A Dual Pontoon Floating Structure With A Liquid Container, Chai-Cheng Huang, Chih-Ting Feng, Hung-Jie Tang

Journal of Marine Science and Technology–Taiwan

A numerical model is developed to investigate the waveinduced dynamic properties of a dual pontoon floating structure (DPFS) with a liquid container on the top. This model has to deal with two kinds of fluid domain: one is the incident wave domain, while the other is the excited fluid domain in a sloshing container. The boundary integral equation method (BIEM) with linear element scheme is applied to forming a 2D fully nonlinear numerical wave tank (NWT). The secondorder Stokes wave theory is adopted to give the velocity on the input boundary. The velocity potential and acceleration potential are solved simultaneously …

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Improved Technique For Controlling Oscillation Of Coastal Morphological Modeling System, Yun-Chih Chiang, Sung-Shan Hsiao, Ming-Chung Lin Dec 2011

Improved Technique For Controlling Oscillation Of Coastal Morphological Modeling System, Yun-Chih Chiang, Sung-Shan Hsiao, Ming-Chung Lin

Journal of Marine Science and Technology–Taiwan

Numerical modeling of coastal morphological evolution is a powerful tool for the planning and design of coastal engineering. The coastal morphological modeling system is based on the sediment conservation law, which couples modules for waves, wave-driven currents, and sediment transport rates. The numerical scheme for the sediment conservation law and nonlinear coupling between these modules can lead to dispersions, diffusions, spurious oscillations and instability problems that are still not well established. Filtering or artificial diffusion are often added to achieve stability. In this paper, several controlling oscillations schemes without filters are described. A stable morphological model is introduced with a …

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Development Of Early Warning Modeling System For Sudden Chemical Spill In Plain River Network, Hai-Long Yin, Zu-Xin Xu, Chen Wang, Da Yu Dec 2011

Development Of Early Warning Modeling System For Sudden Chemical Spill In Plain River Network, Hai-Long Yin, Zu-Xin Xu, Chen Wang, Da Yu

Journal of Marine Science and Technology–Taiwan

An early warning modeling system for assessing potential river water quality threat from sudden chemical discharge incidents was developed, based on a hydrodynamic model for tidal plain river network equipped with sluice gates and water quality models. For the hydrodynamic model, the mode to simulate river flow under artificial irreversible gate operation was presented, so that the flow related to gate control with tidal occurrence could be simulated, which was calibrated by the measured data. For the water quality models, three kinds of models including oil spill model, hydrophobic model and hydrophilic model were developed based on chemical properties. With …

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Harmonic Decomposition By Hht On Regular Waves Propagating Over A Rectangular Submerged Obstacle Upon A Fluidized Bed, Yung-Lung Chen, Shiaw-Yih Tzang, Shan-Hwei Ou Dec 2011

Harmonic Decomposition By Hht On Regular Waves Propagating Over A Rectangular Submerged Obstacle Upon A Fluidized Bed, Yung-Lung Chen, Shiaw-Yih Tzang, Shan-Hwei Ou

Journal of Marine Science and Technology–Taiwan

The experimental measurements of surface waves over a submerged rectangular obstacle upon a sandy bed reported by Tzang et al. (2008) have further been analyzed in detail by Hilbert-Huang transform (HHT). The harmonic components of regular waves at 5 sites in the vicinity of the obstacle are decomposed into the intrinsic mode functions (IMFs) by the ensemble empirical mode decomposition (EEMD) with postprocessing scheme using masking signal EMD (MSEMD). The results of Hilbert spectrum of waves derived by the HHT illustrate that considerable decay of harmonic amplitude occurs at all 5 sites when the sandy bed have been fluidized but …

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Influences Of Discharge Reductions On Salt Water Intrusion And Residual Circulation In Danshuei River, Wen-Cheng Liu, Wei-Bo Chen, Ming-Hsi Hsu Dec 2011

Influences Of Discharge Reductions On Salt Water Intrusion And Residual Circulation In Danshuei River, Wen-Cheng Liu, Wei-Bo Chen, Ming-Hsi Hsu

Journal of Marine Science and Technology–Taiwan

A three-dimensional, unstructured grid, hydrodynamic model was established and applied to study the salt water intrusion and residual circulation in the Danshuei River estuarine system of northern Taiwan. The construction of two reservoirs (i.e. Shihmen Reservoir and Feitsui Reservoir) and water diversion in the upper reaches of the river system significantly reduces the freshwater inflow. The changes had contributed farther to the intrusion of tidal flow and salt water in the upstream direction. The model was validated with available hydrographic data measured in 2001 then used to probe the change in salt water intrusion as a result of reservoir construction. …

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Dynamic Coupling Of Multi-Phase Fluids With A Moving Obstacle, Tso-Ren Wu, Chih-Jung Huang, Mei-Hui Chuang, Chung-Yue Wang, Chia-Ren Chu Dec 2011

Dynamic Coupling Of Multi-Phase Fluids With A Moving Obstacle, Tso-Ren Wu, Chih-Jung Huang, Mei-Hui Chuang, Chung-Yue Wang, Chia-Ren Chu

Journal of Marine Science and Technology–Taiwan

In this paper, we present a two-way coupled moving solid algorithm with discrete element method (DEM) to simulate dynamic fluid-solid interaction. This model allows obstacles moving in the multi-phase fluids to generate realistic motion for both the fluids and obstacles. We discretize the NavierStokes equation using finite volume method (FVM) for the fluid part. The volume-of-fluid (VOF) method is used to track the fluid-fluid and fluid-solid interfaces. This algorithm is useful in the fields of Engineering and Earth Sciences, such as structure collapse and landslide generated tsunamis. Examples of landslide tsunami and floating cubes are demonstrated using the algorithm.

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The Method Of Fundemental Solutions For The Multi-Dimensional Wave Equations, Meng-Huang Gu, Chia-Ming Fan, Der-Liang Young Dec 2011

The Method Of Fundemental Solutions For The Multi-Dimensional Wave Equations, Meng-Huang Gu, Chia-Ming Fan, Der-Liang Young

Journal of Marine Science and Technology–Taiwan

In this paper, a meshless method is developed for solving multi-dimensional wave equations. The proposed method is based on the method of particular solution (MPS), the method of fundamental solutions (MFS) and the Houbolt finite difference (FD) method. The wave equation is considered as a Poisson-type equation with the time-dependent source term. The Houbolt method is applied to avoid the difficult problems for dealing with the initial conditions in forming the linear algebra system. The works of space discretization are dependent on the method of particular solution and the method of fundamental solutions. There are three numerical examples considered in …

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Sensitivity Analysis Of Time/Depth Dependent Chloride Diffusion Coefficient In Concrete, Yung-Ming Sun, Ta-Peng Chang, Ming-Te Liang Dec 2011

Sensitivity Analysis Of Time/Depth Dependent Chloride Diffusion Coefficient In Concrete, Yung-Ming Sun, Ta-Peng Chang, Ming-Te Liang

Journal of Marine Science and Technology–Taiwan

This paper presents the results for a sensitivity analysis of the time/depth dependent chloride diffusion model in concrete using differential analysis techniques. Four governing prameters of the model are taken to determine the sensitivity of the chloride diffusion coefficient: the time of exposure, inspecting depth, surface chloride concentration, and chloride concetration at the inspecting point. The results of this sensitivity analysis are discussed in detail, including variations in the diffusion coefficient according to the four parameters and the implications for durability design of concrete structures.

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Evaluation Of The Recovery Time Of Sea Bass (Dicentrarchus Labrax Linnaeus, 1758) Juveniles From Transport And Handling Stress: Using Ammonia Nitrogen Excretion Rates As A Stress Indicator, Betül Kayali, Murat Yigit, Musa Bulut Dec 2011

Evaluation Of The Recovery Time Of Sea Bass (Dicentrarchus Labrax Linnaeus, 1758) Juveniles From Transport And Handling Stress: Using Ammonia Nitrogen Excretion Rates As A Stress Indicator, Betül Kayali, Murat Yigit, Musa Bulut

Journal of Marine Science and Technology–Taiwan

A time-course study was conducted in order to evaluate the recovery time of juvenile Sea bass (Dicentrarchus labrax) from transport and handling stress. Among metabolite indices, ammonia nitrogen excretion rates were used as stress indicator. The measurements were carried out in water ambience of 13 ± 1ºC under natural light conditions (16L/8D photoperiod). Juveniles were transported for about 2 hours in a fish transport tank with oxygen supply. Handling stress was due to netting at the outlet site during stocking fish into the transport tank and netting at the experimental facility while transferring fish from transport tank into experimental tanks. …

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Design Of A Two-Stage Electromagnetic Impulse Force Circuit For Gene Gun, Pei-Hwa Huang, Ping-Yin Chen Dec 2011

Design Of A Two-Stage Electromagnetic Impulse Force Circuit For Gene Gun, Pei-Hwa Huang, Ping-Yin Chen

Journal of Marine Science and Technology–Taiwan

The main objective of this paper is to present a design of the power source for gene gun based on the principle of electromagnetic mechanism. The energy stored in capacitors will be discharged toward the electromagnetic device of gene gun for providing micro-projectiles with electromagnetic force to generate the desired impact force, and a specific electronic circuit is to be designed to achieve the coupling between the electromagnetic device and the energy storage capacitor. A gene gun is to be implemented for a testing purpose. In order to reduce the size and the cost of the gene gun, a two-stage …

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A New Species Of Rhinogobius Gill, 1859 (Teleostei: Gobiidae) From The Bonin Islands, Japan, Toshiyuki Suzuki, I-Shiung Chen, Hiroshi Senou Dec 2011

A New Species Of Rhinogobius Gill, 1859 (Teleostei: Gobiidae) From The Bonin Islands, Japan, Toshiyuki Suzuki, I-Shiung Chen, Hiroshi Senou

Journal of Marine Science and Technology–Taiwan

A new freshwater goby, Rhinogobius ogasawaraensis was collected from streams of the Bonin Islands (Ogasawara Group), Japan. The species can be distinguished from all congeneric species by the following combination of characters: (1) meristic features: second dorsal fin rays I, 8-9; pectoral fin rays 18-20; predorsal scales 7-16; longitudinal scale rows usually 32-34; vertebral count 26; and (2) specific colouration: check with some red spots, nape with several longitudinal dark stripes, upper part of pectoral fin base with a horizontal deep brown bar, intermittent dark dotted rows along middle axis of body, no saddle shaped patch of dark dots on …

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Protocol For The Modeling The Epidemiologic Transition Study: A Longitudinal Observational Study Of Energy Balance And Change In Body Weight, Diabetes And Cardiovascular Disease Risk, Amy Luke, Pascal Bovet, Terrence E. Forrester, Estelle V. Lambert, Jacob Plange-Rhule, Dale A. Schoeller, Lara R. Dugas, Ramon A. Durazo-Arvizu, David Shoham, Richard S. Cooper, Soren Brage, Ulf Ekelund, Nelia P. Steyn Dec 2011

Protocol For The Modeling The Epidemiologic Transition Study: A Longitudinal Observational Study Of Energy Balance And Change In Body Weight, Diabetes And Cardiovascular Disease Risk, Amy Luke, Pascal Bovet, Terrence E. Forrester, Estelle V. Lambert, Jacob Plange-Rhule, Dale A. Schoeller, Lara R. Dugas, Ramon A. Durazo-Arvizu, David Shoham, Richard S. Cooper, Soren Brage, Ulf Ekelund, Nelia P. Steyn

Faculty Publications

Background: The prevalence of obesity has increased in societies of all socio-cultural backgrounds. To date, guidelines set forward to prevent obesity have universally emphasized optimal levels of physical activity. However there are few empirical data to support the assertion that low levels of energy expenditure in activity is a causal factor in the current obesity epidemic are very limited. Methods/Design. The Modeling the Epidemiologic Transition Study (METS) is a cohort study designed to assess the association between physical activity levels and relative weight, weight gain and diabetes and cardiovascular disease risk in five population-based samples at different stages of economic …

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A Performance Perspective: Un'aura Amorosa From Mozart's Cosi Fan Tutte, Laney Benson Dec 2011

A Performance Perspective: Un'aura Amorosa From Mozart's Cosi Fan Tutte, Laney Benson

Honors Theses

There are common themes that performers investigate in evaluating a character. They include: the history surrounding the opera, especially of the composer and librettist; devices employed in the opera; the relationship between its characters and, of course, examples of past performances. Each of these will be equally applicable to a performance of the aria "Un 'aura amorosa" from Mozart's opera Cosi fan tutte. All of these elements form a cohesive template for observation of how to give a performance of the piece.

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Comparing Historical And Implied Volatility For A Silver Electronically Traded Fund Between Months Of High And Low Returns, Jacob G. Downey Dec 2011

Comparing Historical And Implied Volatility For A Silver Electronically Traded Fund Between Months Of High And Low Returns, Jacob G. Downey

Honors Theses

Silver as a commodity is used in many different industrial applications as well as in jewelry. Silver is five times scarcer than gold (Stamey, Class Notes, 2011) is at this point and is becoming more and more popular with investors. Many investors instead of buying physical silver have looked to invest in the Silver ETF. An ETF is an Exchange Traded Fund, and is a way to trade a commodity like a stock. A price varies in proportion to the commodity, so as Silver moves so does SLV (Silver ETF). In this paper, the Silver ETE chosen was iShares Silver …

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Remixing Business Models: Technology And The Future Of The Modern Music Industry, Ryan Brown Dec 2011

Remixing Business Models: Technology And The Future Of The Modern Music Industry, Ryan Brown

Honors Theses

The music industry has undergone significant changes throughout the past few decades. The primary basis of these changes is technology, which has impacted everything from finding artists to distributing music. However, record labels have been slow to adapt to these changes, which has led to serious problems such as illegal music downloading. Illegal downloading, also known as "music piracy," has radically changed the entire business and distribution structures within the music industry. Although lawsuits and other strategies have been undertaken to attempt to combat this particular issue, technology will continue to affect the music industry for the foreseeable future. Advances …

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Multimessenger Astronomy: Modeling Gravitational And Electromagnetic Radiation From A Stellar Binary System, Kevin Kern Dec 2011

Multimessenger Astronomy: Modeling Gravitational And Electromagnetic Radiation From A Stellar Binary System, Kevin Kern

Honors Theses

Our Solar System is one of roughly 100 billion other stars that make up the Milky Way Galaxy. Two-thirds of all stars are paired off, forming a gravitational bond between one another. Such systems are known as stellar binaries. Although these binaries are prevalent there is much yet to be learned about their formation, evolution, and interactions. The approach taken in this thesis is to produce simulated data representing the expected measurements that an observational astronomer would collect. Specifically, we have simulated the data from an eclipsing binary light curve, spectroscopic velocity curve, and the gravitational wave times series form …

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Professional Sports Teams And Their Local Economic Impact, A. J. Kuznitz Dec 2011

Professional Sports Teams And Their Local Economic Impact, A. J. Kuznitz

Honors Theses

There has been debate about whether or not professional sports teams impact their local economies. Research shows local economic growth has been generated from the presence of a professional sports team in multiple ways: the creation of new jobs, increased consumer spending, increased sales in certain market segments, and increased tax revenue. Other beneficial impacts caused by sport franchises are increased tourism from hosting large nationwide events such as a Super Bowl or World Series, and game's media coverage provides free marketing/advertising for home cities. Teams also impact the lives of their fans and cities in non-measurable, qualitative ways, such …

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Photocatalytic Activity Of Zinc Oxide Thin Films Prepared By Dc Sputter Deposition And Thermal Oxidation, Robert Louder Dec 2011

Photocatalytic Activity Of Zinc Oxide Thin Films Prepared By Dc Sputter Deposition And Thermal Oxidation, Robert Louder

Honors Theses

Zinc oxide (ZnO) is a wide-bandgap semiconductor with a broad range of applications, such as photocatalysis. The photocatalytic properties of ZnO result from the highly oxidizing holes and reducing electrons that are induced on the ZnO surface by ultraviolet (UV) light. The efficiency of electron-hole pair formation is therefore critical for photocatalysis, and thus the optical quality of the films in the UV region is of critical importance. ZnO thin films have been fabricated using DC sputter deposition of Zn-metal films followed by thermal oxidation at different temperatures (300, 600, and 900°C). Characterization of the optical properties of the resulting …

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Social Distance As A Function Of Mental Health Status And Gender Of College Student Peers, Kaitlyn A. Zuilkowski Dec 2011

Social Distance As A Function Of Mental Health Status And Gender Of College Student Peers, Kaitlyn A. Zuilkowski

Honors Theses

The purpose of this study was to examine college students' general preference for social distance from individuals who have mental disorders, as well as their preference for social distance from a peer with a specific diagnostic label of Attention Deficit Hyperactivity Disorder (ADHD), Obsessive Compulsive Disorder (OCD), or a Stuttering Disorder. College students (N = 180) enrolled at a Southeastern liberal arts university completed the Modified Social Distance Scale which assessed general preference for social distance from people with mental disorders and subsequently read a short vignette describing a male or female college student who had been diagnosed with and …

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Streamwise Dynamics Controlled Jet Spreading, Mixing And Physical Source Of The Vortices, Amalendu Sau, Robert R. Hwang Dec 2011

Streamwise Dynamics Controlled Jet Spreading, Mixing And Physical Source Of The Vortices, Amalendu Sau, Robert R. Hwang

Journal of Marine Science and Technology–Taiwan

Within the framework of the present investigation we perform Direct Numerical Simulations to study the role of streamwise dynamics in the jet spreading and mixing, and provide a clear understanding about the source of these important vortices in two-step rectangular sudden expansion flows. The present setup is designed to generate higher mass entrainment, and the system generated passive forcing provided the necessary impetus for the sustained growth/evolution of the streamwise vertices, which played the key role in the mixing enhancement. On the other hand, by suitably placing two tiny rectangular ‘tabs’ on the inlet channel walls, the nature of growth …

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