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Recent Submissions

Finding Fault in Dyer County, Tennessee: Exploring the Relationships of Earthquake-Induced Liquefaction Features to Subsurface Faults 

Johnson, John (2018-12-17)
The New Madrid Seismic Zone (NMSZ) is located within the northern Mississippi Embayment, a northeast-striking graben that formed as a part of a failed rift system and later filled with sediments. Although this intracontinental ...

Finding High Achievement in the Alabama Black-Belt 

Wooten, Christopher (2018-12-15)
The history of the United States is steeped with evidence of educational inequities based on race. From the time of slavery, a time in which slaves were forbade to learn to read, to the most recent education legislations, ...

The Origins and Use of Various Code Specifications and Design Guides for Concrete Slabs-on-Ground in Hangar Applications 

Morgan, Ciara (2018-12-13)  ETD File Embargoed
Research focused on the origins and applications of various code specifications and design guides used in the design of concrete slabs-on-ground in airplane hangar foundations. This thesis investigates the mathematical ...

Geology of the Milltown Alabama 7.5’ Quadrangle and 40Ar/39Ar geochronology of muscovite from select rocks of the east-central Alabama Piedmont 

Whitmore, John (2018-12-13)
The Milltown 7.5’ Quadrangle is located within east-central Alabama and contains features important to understanding the formation of the southern Appalachians. The Brevard fault zone passes through the Milltown Quadrangle ...

Do Symptoms of Sluggish Cognitive Tempo Independently Predict Non-Medical Use of Prescription Stimulants in a College Student Sample? 

Gayleard, Jessica (2018-12-11)
As evidence for the construct of SCT continues to grow, it is important for further research to continue investigating how symptoms of SCT may impact functioning in college students. The current study examined whether ...

Radar Aided INS Navigation Filter with Magnetometer Based Attitude Measurements 

Williams, John (2018-12-11)
This thesis presents a method for GPS-free navigation using a radar-aided inertial navigation filter with a magnetometer based attitude measurement. GPS has become the popular tool of choice when considering navigation ...

Process Intensified Gas-to-Liquids Technology Enhanced by Microfibrous Entrapped Catalyst Structure 

Cheng, Xinquan (2018-12-10)
The increasing demand for liquid fuels draws attention to synthetic fuels. Currently, two well-known Gas-to-Liquids technologies are used to convert syngas to liquid fuels. One is Fischer-Tropsch Synthesis (FTS); the other ...

Characterization and hydrocarbon potential of the Lower Permian Wolfcamp Formation, northwestern Mitchell County, Midland Basin, Texas 

Calhoun, Zachary (2018-12-10)  ETD File Embargoed
Lithologic, petrologic, and geochemical analyses were performed on the Wolfcamp Formation (operational benches A and B), with a focus on a 400-ft-thick core recovered from wildcat well Strain 2V (API 42-335-53586) in ...

The Development of Bipolar Electrochemiluminescence Sensing Systems using Thin-layer Electrochemistry and AC Excitation 

Yu, Songyan (2018-12-10)  ETD File Embargoed
Bipolar electrochemistry, which generates an asymmetric reactivity on the surface of conductive objects in a wireless manner, has become a promising field for various applications. It enables the coupling of anodic and ...

A Study on the Electromechanical Response of Polyvinylidene Fluoride Base Electroactive Polymers 

cai, yancen (2018-12-10)
A novel ionic polymer metal composite (IPMC) actuator based on partially fluorinated ionomer composed of polyvinylidene fluoride (PVDF) and perchlorate is successfully developed. The PVDF-base films are prepared by solution ...

A New Era for Forest Operations in the Southeastern Region of the United States 

Daniel, Marissa "Jo" (2018-12-10)  ETD File Embargoed
Forest operations in the southeastern region of the United States has remained relatively unchanged since the inception of conventional mechanized equipment. As new technologies are developed, new operational techniques ...

The Development and Evaluation of a Cumulative Exposure Integration Method Based on Fatigue Failure Theory 

Huangfu, Rong (2018-12-07)
Cumulative exposure to physical risk factors has been identified as one of the major contributors to the development of workplace musculoskeletal disorders (MSDs). Linear integration methods have been widely used to quantify ...

Coupling GPS/INS and IMM Radar Tracking Algorithms for Precise Collaborative Ground Vehicle Navigation 

Selikoff, Joseph (2018-12-07)
This thesis describes a method of collaborative ground vehicle navigation utilizing shared radar data to provide observations during periods of GPS degradation. Navigational errors that typically arise from degraded GPS ...

The Effect of Formal Mentoring Programs on Persistence of College Sophomores 

Palmer, Kerry (2018-12-06)
Retention has been an issue in higher education for decades (Freedman, 1956; Noel et al., 1986; Tinto, 1987, 2012). Many attempts have been made to address this issue, with most research focusing on the freshman year. ...

Effectiveness of Home Gardening in Reducing Food Insecurity and Improving Health in Chacraseca, Nicaragua: A Pilot Study 

Tumwebaze, Joel (2018-12-06)
Nicaragua has a high rate of food insecurity determined by factors such as, poverty, employment, education, social capital and climate change. Home gardening and nutrition education can decrease food insecurity and improve ...

Obstacle Avoidance of an Unmanned Ground Vehicle using a Combined Approach of Model Predictive Control and Proportional Navigation 

Shaw, Ryan (2018-12-06)
This thesis presents a new approach for the guidance and control of a UGV (Unmanned Ground Vehicle). A special focus was placed on moving obstacles that interfere with the planned path of the vehicle, this is due to the ...

IMPROVED MODELING AND ANALYSIS STRATEGIES FOR PLASTIC BALL GRID ARRAY PACKAGE ASSEMBLIES SUBJECTED TO THERMAL CYCLING 

Chen, Chienchih (2018-12-06)  ETD File Embargoed
Solder joint fatigue is one of the primary reliability issues in the electronic packaging area. Solder joints typically experience cyclic loading, yielding, and highly nonlinear material behavior when subjected to temperature ...

An Analysis of Housing Distress and Remedies in Tuskegee, Alabama during World War II 

Bryant, John T. (2018-12-06)  ETD File Embargoed
The evaluation of a proposed military air base necessarily takes into account the suitability of its locale; in particular, with regards to the terrain, certain logistical concerns, and the local infrastructure and populace. ...

Geometric means inequalities and their extensions to Lie groups 

Ahsani, Sima (2018-12-05)  ETD File Embargoed
This dissertation has two main parts. 1. After reviewing the Riemannian structure of the space of n n positive de nite matrices, Pn, and the geometric mean in terms of geodesic, t-geometric mean, we present some ...

Synthesis, GC–MS, GC–MS/MS, GC–IR and chromatographic studies on cathinone derivatives related to methylenedioxypyrovalerone (MDPV) 

Abiedalla, Younis (2018-12-03)
This project will address issues of resolution and discriminatory capabilities for cathinone derivatives (regioisomeric and homologous groups) providing additional reliability and selectivity for forensic evidence and ...

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