Digital Commons Network^™

Predictive Modeling Of Terrestrial Radiation Exposure From Geologic Materials, Daniel A. Haber

UNLV Theses, Dissertations, Professional Papers, and Capstones

Aerial gamma ray surveys are an important tool for national security, scientific, and industrial interests in determining locations of both anthropogenic and natural sources of radioactivity. There is a relationship between radioactivity and geology and in the past this relationship has been used to predict geology from an aerial survey. The purpose of this project

is to develop a method to predict the radiologic exposure rate of the geologic materials in an area by creating a model using geologic data, images from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER), geochemical data, and pre-existing low spatial resolution aerial surveys …

Safety Analysis Of Freeway Segments With Unobserved Heterogeneity And Second Order Spatial Effects, Eneliko Mujuni Mulokozi

UNLV Theses, Dissertations, Professional Papers, and Capstones

Safety analysis of freeway networks entails the quantification of crash frequency influencing factors which include roadway and traffic characteristics, environmental factors as well as human factors. This quantification can be used to detect locations with large impacts on the occurrence of crashes which in turn assist engineers and planners to improve safety levels of the network. Roadway characteristics are comprised of the physical elements of the road geometry such as section length, median and right shoulders, speed-exchange lanes, the number of main facility as well as geometry of the entrance from and exit to the main freeway facility. Traffic characteristics …

An Approach To Model Plastic Deformation Of Metallic Plates In Hypervelocity Impact Experiments, Shawoon Kumar Roy

UNLV Theses, Dissertations, Professional Papers, and Capstones

Space structures are subjected to micro-meteorite impact at extremely high velocities of several kilometers per second. Similarly, design of military equipment requires understanding of material behavior under extremely high pressure and temperature. Study of material behavior under hypervelocity impact (HVI) poses many challenges since few researchers so far have approached this problem. Material models, equations of the state, and fracture mechanics are not well understood under these conditions.

The objective of this research is to present an approach for studying plastic deformation of metallic plates under HVI conditions. A two-stage light gas gun can be used to simulate these conditions …

Perceptions Of Mattering In The Doctoral Student And Advisor Relationship, Holly Anne Schneider

UNLV Theses, Dissertations, Professional Papers, and Capstones

The advising relationship has been acknowledged as one of the most important factors in doctoral student persistence and attrition. Less researched are psychosocial factors that contribute to doctoral student persistence and completion. Preliminary research including measures of psychosocial factors on doctoral student success found faculty-student relationships and collegial support contributed significantly to doctoral completion more so than individual factors including motivation, career goals, procrastination, financial security, and external demands such as family.

The current study draws on the psychosocial construct of mattering (Rosenberg &

McCullough, 1981) to examine doctoral students’ perceptions of mattering to their advisors and the influence on …

Simulation Of An Air Cooled Single-Effect Solar Absorption Cooling System With Evacuated Tube Collectors, Mohsen Jahandardoost

UNLV Theses, Dissertations, Professional Papers, and Capstones

Consistently increasing CO2 emission and ozone depletion from synthetic refrigerants are serious environmental issues challenging the scientific community. Absorption cooling systems give scope of utilizing low grade energy source for generating cooling effect. Solar energy is one of these low grade energy sources and with considering the fact that cooling demand increases with the intensity of solar radiation, solar refrigeration has been considered as a logical solution.

This thesis consists of two different simulation stages, in the first stage, a single effect lithium bromide absorption cooling system with constant cooling capacity is modeled and the effect of ambient and generator …

Arkansas Soybean Performance Tests 2015, R. D. Bond, J. A. Still, D. G. Dombek

Arkansas Agricultural Experiment Station Research Series

Soybean variety and strain performance tests are conducted each year in Arkansas by the University of Arkansas System Division of Agriculture’s Arkansas Crop Variety Improvement Program. The tests provide information to companies developing varieties and/or marketing seed within the State, and aid the Arkansas Cooperative Extension Service in formulating variety recommendations for soybean producers.

Student Composition Recital, Department Of Music

Concerts and Event Programs 2015-2016

Recital featuring original pieces composed by Composition Seminar students.

Seeking Social Justice In The Acrl Framework, Andrew Battista, Dave Ellenwood, Lua Gregory, Shana Higgins, Jeff Lilburn, Yasmin Sokkar Harker, Christopher Sweet

Communications in Information Literacy

The scope of this article is to address the possibilities and challenges librarians concerned with social justice may face when working with the ACRL Framework. While the Framework recognizes that information emerges from varied contexts that reflect uneven distributions of power, privilege, and authority, it is missing a cogent statement that connects information literacy to social justice. In this article, authors concerned with social justice and civic engagement will share their reflections on the Framework from a critical pedagogical and social justice orientation.

Continuing The Conversation: Questions About The Framework, Megan E. Dempsey, Heather Dalal, Lynee R. Dokus, Leslin H. Charles, Davida Scharf

Communications in Information Literacy

Given the prevalence of the Information Literacy Competency Standards in the library profession for the past 15 years, and the heated debate that took place regarding whether or not the Framework for Information Literacy and the Standards could harmoniously co-exist, the article raises questions about the future of information literacy in higher education. We do not necessarily have answers to these questions, but offer our own perspectives, some insight into how the Standards have served New Jersey academic librarians in the past, and how we envision using the Framework and the Standards together to further information literacy instruction at our …

Improving The Resilience Of Mixed-Farm Systems To Pending Climate Change In Far Western Nepal: Endline Survey Report, D. Layne Coppock

Environment and Society Faculty Publications

This report presents general findings from an endline survey carried out during May 2015 in Jugada, Budhiganga, Attichaur and Gudukhati Village Development Committees (VDCs) in Bajura District. A total of 320 households were surveyed, a total of 80 per VDC. Two of the VDCs—Jugada and Budhiganga—received capacity-building interventions for 16 months concerning climate-change adaptation, poverty reduction, and other aspects of well-being, while two VDCs—Attichaur and Gudkhati—were their "paired controls," respectively, that did not receive interventions. The interventions were largely delivered as informal educational or training modules.

The Shared Services Organizational Model In Higher Education Enrollment Management: The Application Of The Transactional Components Of The Burke-Litwin Model Of Organizational Performance And Change And The Moderating Effect Of Employee Engagement On Individual Motivation, Rosemary Cooper

Human Resource Development Theses and Dissertations

As a result of increased economic, social, and educational constraints, institutions of higher education are evaluating new approaches to operating in more restrictive environments. To mitigate these external constraints, institutional administrators are implementing organizational change structures that create efficiency, drive down costs and make the best use of human capital and technological resources. Within the last decade there has been strong encouragement from higher education pundits and consultants to implement the shared services organizational structure in higher education enrollment management divisions. Higher education institutions are borrowing the shared services organizational model from other industries and utilizing organizational change protocol from …

Prevalence And Antimicrobial Susceptibility Pattern Of Coagulase-Negative Staphylococci (Cons) Isolated From Clinical Specimens In Northern Of Jordan, Ibrahim Ali Al Tayyar, Mazhar Salim Al-Zoubi, Emad Hussein, Salih Khudairat, Konrad Sarosiek

Department of Surgery Faculty Papers

No abstract provided.

Learning To Become: An Exploration Of Transformative Faculty Development, Elizabeth Wilkins

Theses and Dissertations

This multi-article dissertation explores the experience of becoming a professor who effectively facilitates students' identity formation. While the growing body of literature on student transformation suggests that faculty must transform themselves to authentically invite change in others, little research has been done on helping professors become mentors who facilitate students' movement toward their potential for meaningful contribution. To address this gap, this dissertation suggests a framework to facilitate transformative faculty development based on a review of the literature on learning as a process of becoming (Article #1). The major components of this framework are (a) facilitating meaningful engagement in communities …

Protecting Professional Football: A Case Study Of Crisis Communication Tactics Demonstrated During The Concussion Crisis By The National Football League And The Introduction Of Cultural Ingrainment As A Component In Crisis Communications Models, Jordan Todd Mower

Theses and Dissertations

This research analyzes the crisis communications tactics employed by the National Football League at key points during the concussion crisis in relation to strategies recommended by models based on image restoration theory and situational crisis communications theory. The discrepancies between the NFL's tactics and recommended situational tactics, viewed in light of the financial and market increases for the league over the duration of the crisis, show the need for an additional component in accepted crisis communications models. Cultural ingrainment is posited as a component to be added to present models as a mitigating factor of organizational harm in cases of …

Loss Aversion And Perspective Taking In The Sunk-Cost Fallacy, Veronika Rudd Tait

Theses and Dissertations

The sunk-cost fallacy (SCF) occurs when an individual makes an investment with a low probability of a payoff because an earlier investment has already been made. It is considered an error because a rational decision should not factor in now-irretrievable investments, as they do not affect current outcome likelihoods. Previous research has measured the tendency to commit the SCF by using hypothetical scenarios in which participants must choose to make a future investment or not after making an initial investment. There are many theories as to why people commit the SCF. Loss aversion, which is the preference for uncertain over …

Hardcore Subcultures For Law-Abiding Citizens And Online Nationalism: Case Study On The Korean Internet Community Ilbe Jeojangso, Kyujin Shim

Research Collection Lee Kong Chian School Of Business

In general, the Internet is perceived as a liberal space in terms of major user demographics and political orientation, and Korea’s cyberspace leans toward liberals and left-wing groups (Peak, 2013). So, interesting questions arise regarding ILBE and its popularity: In a liberal-dominant cyberspace, what drives conservative netizens to the ILBE community, armed with strong racism and nationalism? What are the differences and commonalities between the ILBE community and Japanese Netto-uyo? In the chronology of Korean online communities, sporadically, netizens possessing conservative and racist traits have attempted to build conservative online communities but these have been limited, and none …

A State-Stewardship View On Executive Compensation, Hao Liang, Luc Renneboog, Sunny Li Sun

Research Collection Lee Kong Chian School Of Business

We take a state-stewardship view on corporate governance and executive compensation in economies with strong political involvement, where state-appointed managers act as responsible ‘stewards’ rather than ‘agents’ of the state. We test this view on China and find that Chinese managers are remunerated not for maximizing equity value but for increasing the value of state-owned assets. Managerial compensation depends on political connections and prestige, and on the firms’ contribution to political goals. These effects were attenuated since the market-oriented governance reform. In a social welfare perspective, such compensation stimulates not the maximization of shareholder value but the preservation of the …

The Presidential Contests Of 1976-2012 And What They Mean For Who Will Win In 2016, John Jackson

The Simon Review (Occasional Papers of the Paul Simon Public Policy Institute)

As the nation races into the 2016 presidential elections season, it is worthwhile to stop the headlong rush and take a look back and see what we may have learned from our recent history, specifically what that history can teach us about our presidential elections and their long-term impact on the political system, how public policy is made and the prospects for any party to be able to govern in modern America when the nation is so deeply divided by partisanship, ideology, geography, class and race.

Faculty Perceptions Of The Purpose And Value Of General Education: A Comparison Between The Liberal Arts And Health Professions, Shireen Rahman

All Theses And Dissertations

This study examined the perceptions of the purpose and value of the general education curriculum in those undergraduate faculty members who teach in the liberal arts and the health professions at the University of New England. Perceptions were evaluated within each college and then compared between each College. A mixed-methods approach was utilized with concurrent implementation of qualitative and quantitative strands. Data were gathered from the Faculty Survey on General Education which was completed by fifty-six (29.3%) of the undergraduate faculty members. In addition, twelve faculty members were randomly selected to participate in open-ended interviews. Descriptive statistics and independent t-tests …

Methodology For Selecting The Column Configuration With Lowest Media Replacement Cost For Small Adsorption Systems, Artem Bausk

Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research

The relative performance of three column configurations often used for adsorption systems serving small communities was evaluated in terms of which results in the lowest overall replacement cost. Replacement cost is the cost of fresh media and the transportation, labor, and material costs to replace the media. Both the adsorption capacity and the media replacement costs were modeled. The pore and surface diffusion model was utilized to simulate the fixed-bed adsorption and obtain the breakthrough curves, which were then normalized using the target effluent to influent concentration ratio (C/C_o) and the mass transfer zone fraction (%MTZ_BT). …

Feasibility Of Using Raman-Based Techniques For Breast Cancer Detection, Sara Mollamohammada

Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research

Breast cancer is one of the common types of cancer among women all over the world. Early diagnosis is an effective way that improve the treatment process and gives the patients a better chance of survival. Many of the patients infected by breast cancer choose breast conservation surgery (BCS). However, some of those will be subjected to mastectomy, and many will have tumor recurrence as there is no precise technique to show the tumor margins. Raman-based methods are powerful techniques with potential to rapidly differentiate normal from tumor tissues and provides a solution to detect tumor margin. This is because …

Microstructure Alone Induced Wetting Transition From Hydrophilic To Hydrophobic On Silicon And Graphene, Henry L. Ems

Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research

In the present work, transition from hydrophilic to hydrophobic wetting states for an intrinsically hydrophilic surface (contact angle less than 45 degrees) using only surface microstructuring is presented. The surface microstructures are re-entrant microcavities (inverted trapezoidal microstructures) which promote air entrapment below the water droplet causing a Cassie wetting state as opposed to a Wenzel state where the surface is completely wetted. The microstructures were fabricated on a Silicon-On-Insulator (SOI) wafer through steps of deposition, photolithography, etching, and bonding. Contact angle measurements demonstrated the ability of the microfabricated surfaces to sustain large contact angles above 100°, in comparison to a …

Experimental Investigation And Thermal Modeling On Electro Discharge Drilling Of Pcd, Farnaz Nourbakhsh

Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research

This study presents an experimental investigation and finite element simulation of Electro Discharge Drilling (ED-Drilling) of Polycrystalline Diamond (PCD). PCD has many outstanding properties including uniformly high hardness, high wear resistance and strong corrosion which are the main causes of widely using PCD. While PCD has many advantages and an important role in industrial applications, its high level of hardness and wear resistance cause this material to be difficult to form and machine by using traditional machining methods. EDM as a nontraditional machining process is an effective method among other non-traditional methods for PCDs due to its low cost and …

Pamam Dendrimers As Promising Nanocarriers For Rnai Therapeutics, Prashant Kesharwani, Sanjeev Banerjee, Umesh Gupta, Mohd Cairul Iqbal Mohd Amin, Subhash Padhye, Fazlul H. Sarkar, Arun K. Iyer

Pharmaceutical Sciences Faculty Publications

Therapeutics based on RNA interference mechanisms are highly promising for the management of several diseases including multi-drug resistant cancers. However, effective delivery of siRNAs and oligonucleotides still remains challenging. In this regard, hyper-branched, PAMAM dendrimers having unique three-dimensional architecture and nanoscale size, with cationic surface charge can potentially serve as siRNA condensing agents as well as robust nano-vectors for targeted delivery. In addition, their surface functionality permits conjugation of drugs and genes or development of hybrid systems for combination therapy. Thus far, in vitro cellular testing of dendrimer-mediated siRNA delivery has revealed great potential, with reports on their in vivo …

If God Didn’T Satisfice, We Could Still Exist, Rick Repetti

Publications and Research

Theodicies of satisficing – defenses of God’s goodness that justify creating minimally satisfactory beings/worlds – originate with Robert Merrihew Adams (1972, 1979). Adams (1972) argued that in creating imperfect beings God was graceful in giving the undeserved gift of life. There have been many objections to Adams’s argument; e.g., Jerome A. Weinstock (1975) objected that God still would have been graceful in granting undeserved life to superior beings, and, among others, E. Wielenberg (2004) objected that grace doesn’t erase the imperfection of creating imperfection. However, Adams’s theodicy arguably maintains two points: (a) non-existing superior beings cannot be harmed by not …

Abusive Supervision And Psychological Capital: A Mediated Moderation Model Of Team Member Support And Supervisor-Student Exchange, Zhenyu Liao, Yuchuan Liu

Research Collection Lee Kong Chian School Of Business

Embedded in higher educational settings, this study examines the relationship between abusive supervision and psychological capital and the mechanism through which abusive supervision and team member support interact to influence psychological capital with supervisor-student exchange mediating the interaction with psychological capital. Data collected from 222 graduate students in six Chinese universities supports our mediated moderation model: abusive supervision negatively relates to psychological capital and supervisor-student exchange mediates the positive moderating effect of team member support on the relationship between abusive supervision and psychological capital. Theoretical and practical implications of these findings are discussed.

Conveying The Adaptation Of Management Panaceas: The Case Of Management Gurus, Timothy Adrian Robert Clark, Pojanth Bhatanacharoen, David Greatbatch

Research Collection Lee Kong Chian School Of Business

In this chapter we examine how management gurus through the telling of epiphanic and non-epiphanic stories convey the level of adaptability of their ideas. We argue that for their ideas to leave the auditorium with the audience members they have to present them in ways which convincingly demonstrate that they are potentially pertinent to the variety of working lives of those who attend. Drawing on a Conversation Analytic approach, the chapter shows that in the post-story assessment the gurus use a double structure of humor then seriousness. The contrast between the light-heartedness of the story and the seriousness of the …

Volume Information In Nikkei And Topix Futures Transactions, Chyng Wen Tee, Christopher Ting

Research Collection Lee Kong Chian School Of Business

According to the Kyle (1985) model of informed trading, information in trade size is likely to effect a permanent price impact, as opposed to bid-ask bounce, which mainly captures transitory price fluctuation. However, two prominent structural models in the literature do not include trade size in their framework. In this paper, we present a nesting relationship of major structural models and formulate a generalized model that includes all relevant trade variables. A new measure to quantify the amount of information in the order flow is proposed. Using this price impact measure, our empirical analysis shows that it is indeed the …

Gamelead: A Gamified Application To Engage Learners, Jayarani Tan, Nachamma Mrs Nachamma Sockalingam

Research Collection Lee Kong Chian School Of Business

This submissiondescribes the use of gamified learning to engage learners using a mobile/desktopapplication called “GameLead” in higher education. GameLead is easy to accessand use, and it encourages cognitive and social learning, to engage learners.

Cost: Benefit Analysis Of Insect Net Use In Cabbage In Real Farming Conditions Among Smallholder Farmers In Benin, Faustin Vidogbéna, Anselme Adégbidi, Françoise Assogba-Komlan, Thibaud Martin, Mathieu Ngouajio, Serge Simon, Rigobert Tossou, Laurent Parrot

All Peer-Reviewed Publications

Insect net use provides a physical exclusion of pests as well as a microclimate change, thus increasing soil humidity, vegetable quality and yields in tropical conditions. This paper presents the findings of a cost:benefit analysis of this technology in real farming conditions compared to current insecticide practices. The surveys were conducted in Benin for cabbage production (. Brassica oleracea L.) during two production cycles. There were almost no significant differences in costs between unnetted and netted cabbage for the two production cycles. The only factors that varied were farm gate prices, the number of cabbages marketed and their size. Improved …