Auburn Theses and Dissertations: Recent submissions
Now showing items 2421-2440 of 9506
Effects of growth-promoting bacteria in suspended green algae cultures for bioenergy and bioproduct development
(2020-07-14)
With the exhaustion of fossil-based fuels, microalgae have attracted great interest as a renewable energy feedstock. Microalgae are photosynthetic microorganisms with rapid growth and the potential for production of lipids, ...
Management of Aphis gossypii Populations and the Spread of Cotton leafroll dwarf virus in Southeastern Cotton Production Systems
(2020-07-14)
Cotton aphid, Aphis gossypii Glover is a highly polyphagous pest known to cause both direct and indirect damage to cotton. Management of A. gossypii is a concern in Alabama due to two emerging problems, insecticide resistance, ...
An Investigation of Fin Erosion in Channel Catfish
(2020-07-14)
An ongoing case of fin erosion affecting Ictalurid catfishes at an aquaculture research facility in the southeastern United States was investigated. Circumstantial evidence collected at this facility has provided several ...
Optical Waveguide Sensor based on Gratings and Metamaterials for Refractive Index Sensing
(2020-07-14)
Optical waveguide sensors based on gratings and metamaterials for refractive index (RI) sensing are introduced in this Ph.D. dissertation. A waveguide is a structure which can guide light based on total internal reflection. ...
American Aerial Perspectives: Observations on the Technological Development of Military Aviation during the Spanish Civil War, 1936-1939
(2020-07-14)
The Spanish Civil War, 1936-1939, marked the full integration of airpower into warfare and introduced the latest developments in aviation technology. Whereas the First World War featured dogfights between wooden biplanes, ...
Course Elements that Impact Performance and Behavior in Undergraduate Science Classes
(2020-07-14)
Using evidence-based approaches to teaching can help instructors and institutions
improve student experiences in the classroom. By understanding the ways that different
classroom environments and activities impact students, ...
Synthesis and Characterization of Copolymers: Tuning Material Properties of Polythiophenes and Epoxy-Thiol Polymer Networks, and Application of Low-Field NMR Spectroscopy to Multicomponent Polymer Systems
(2020-07-14)
Society’s demands for more products and more energy places great strain on the industries responsible for producing them. Polymers present the opportunity to replace many of the “traditional” materials and open the door ...
Quantifying Pavement Preservation Performance Using Probabilistic Deterioration Modeling
(2020-07-14)
Throughout the last few decades, the pavement industry has slowly transitioned from construction and rehabilitation to pavement preservation. Pavement preservation can be described as a proactive approach for protecting ...
Microbiological Evaluation of Commercially Manufactured Animal Feeds to Determine Presence of Salmonella, Escherichia coli and Clostridium perfringens
(2020-07-14)
Animal feed can potentially expose animals to pathogens which may lead to infection or colonization of the gastrointestinal tract (GIT). Feeds can become contaminated with bacterial pathogens during harvesting/transportation ...
Evaluation of Escherichia coli and Coliforms in Aquaponic Water for Produce Irrigation
(2020-07-14)
With the increase of commercialized aquaponics, concerns associated with pathogens in aquaculture water transferring to the produce have increased. The FDA Produce Safety Rule states water used for irrigation purposes that ...
Field Assessment of Cold Recycling Technologies Used for Pavement Preservation
(2020-07-14)
Cold recycling of asphalt concrete pavements is a widely practiced technique used to prolong pavement life as a low-cost preservation method. Research in recycled materials has become necessary to further evaluate the ...
Developing a Practical Tool for Integrating Green Infrastructure into Cost-Effective Stormwater Management Plans
(2020-07-14)
Urban stormwater management today aims to manage both the quantity and quality of stormwater runoff. Best management practices (BMPs) such as detention basins have long been used to address runoff quantity objectives, and ...
MEMS and Additively Manufactured Micro-Mechanical Isolator
(2020-07-14)
The purpose of the research effort was the development and evaluation of mechanical
isolators. Some MEMS sensors have a known vulnerability to high frequency vibrations in various
environments. The nature of the ...
Evaluation of Deficit Irrigation Strategies and Management Zones Delineation for Corn Production in Alabama
(2020-07-14)
The adoption of center pivot irrigation in Alabama has increased in recent years. The reason is that farmers are achieving high crop yield by avoiding crop water stress. Although, irrigation adoption has increased, Alabama ...
Effect of maternal and post-hatch dietary 25-hydroxycholecalciferol supplementation on broiler chicken growth characteristics and skeletal muscle satellite cell activity
(2020-07-14)
Including the vitamin D3 (D3) metabolite, 25-hydroxycholecalciferol (25OHD3) in broiler diets, has been shown to enhance the proliferative activity of skeletal muscle satellite cells (SC), induce the expression of pro-myogenic ...
Utilizing Cast Antlers for Profiling Quality and Annual Repeatability of Antler Characteristics in a Nutritionally Stable Environment for White-tailed Deer
(2020-07-14)
Antlers are often used as indicators of management effectiveness in deer populations, and increasing antler size is frequently a management objective. Thus, managers are interested in assessing antler characteristics and ...
How Resilience Changes with Spatial Extent and Scale: A Case Study of Sea Level Rise in Coastal Mississippi, Alabama, and Florida
(2020-07-14)
Resilience is a term used in natural hazards and disasters research to describe a community’s ability to recover after a damaging hazard event occurs. It is within this context that resilience is often measured using ...
Does Couple Wellbeing Mediate the Relationship Between Military Stressors/Supports and Psychological Outcomes in Military Wives?
(2020-07-14)
This study examined the relationships between military stressors and supports, couple wellbeing, and the psychological outcomes of military wives. Systems focused theories, specifically the ABCX Model of Family Stress and ...
How Tibiofemoral Alignment Effects the Medial-Lateral Compartment Loading in the Knee Joint During Tai Chi Gait, a Musculoskeletal Modeling Approach
(2020-07-13)
Osteoarthritis of the knee joint is one of the most common disabling diseases in the United States particularly among elderly people. Even though no disease altering cure currently exists that rectifies the degenerative ...
The persistent effects of stress during lactation on maternal and offspring mitochondria
(2020-07-13)
An increase of circulating glucocorticoids in reproductive females may augment allocation of
resources towards self-maintenance and away from offspring. Thus, elevated circulating
glucocorticoids may negatively affect ...