Auburn Theses and Dissertations: Recent submissions
Now showing items 2021-2040 of 9285
Establishing Viability of a Novel Wire Induction Extrusion 3D Printing Method
(2020-07-31)
Metal additive manufacturing is an emerging alternative to traditional manufacturing. While several systems currently exist within the realm of metal 3D printing, there is room for further innovation and development to ...
Social Network Formation in Translocated Gopher Tortoises (Gopherus polyphemus)
(2020-07-31)
The gopher tortoise is a fossorial species native to the coastal plain of the southeastern United States. The species occurs spatially in colonies, or aggregations of individuals on the landscape, which were recently found ...
Peanut Protein Supplemenation to Augment Muscle Growth and Improve Markers of Muscle Quality and Health in Older Individuals
(2020-07-31)
It is generally accepted that resistance training (RT) in conjunction with protein supplementation has positive effects on strength and muscle mass in older individuals. However, to date, no study has examined the effects ...
Evaluation of Processing Head Measurements in Merchandizing Southern Yellow Pine in the Southeast US
(2020-07-30)
Today’s timber market in the Southeast US demands a specific size log; thus, the harvested trees need to be processed at the landing. The utilization of a processing head in the logging industry is encouraged due to the ...
Strength Assessment of Soil Cement Base in Alabama
(2020-07-30)
Soil cement is a mixture of soil, portland cement, and water that is compacted and cured to form a strong, durable pavement base. Variances among construction practices and core strength data have led to questions concerning ...
Comparison of Poultry Litter and Commercial Fertilizer Rate and Application Timing on Environmental Nitrogen Loss, Corn Grain Yield, and Mineral Composition
(2020-07-30)
For efficient use of poultry litter (PL) as a nutrient source, it is critical to balance the amount of nitrogen (N) needed to maximize corn (Zea Mays L.) grain yield while reducing N loss to the environment. Besides, there ...
Developing Successful Conductors: A Survey of Feedback Methods for Undergraduate Instrumental Conducting Courses
(2020-07-30)
Few studies have explored feedback methods in undergraduate instrumental conducting
courses. The purpose of this quantitative study was to investigate the various methods of verbal
(spoken/written) and nonverbal feedback ...
How an Arginine Switch Promotes the Self-preservation of an Hydrogen Peroxide-degrading Enzyme KatG: the Strategic Use of an Active-Site Tryptophan
(2020-07-30)
Catalase-peroxidase (KatG) is a heme-dependent enzyme and an effective H2O2 disposal catalyst, sustaining life for many archaea, bacteria, and lower eukaryotes. Many pathogens employ KatG catalase activity (2 H2O2 -> 2 H2O ...
Alabama Superintendents’ Perceptions of Staying or Leaving the Position
(2020-07-30)
The purpose of this study is to determine reasons superintendents choose to stay or leave
the superintendency. By analyzing reasons why superintendents stay or leave, the data collected
may provide further insight on ...
Determinants of Consumers’ Sustainable Disposal Behavior of Clothing Items: An Application of Triandis’s Theory of Interpersonal Behavior (TIB)
(2020-07-30)
The purpose of this study was to investigate the personal and situational factors that influence consumers’ sustainable clothing disposal behavior. The conceptual research framework was developed by adopting theoretical ...
Influence of different Heat Treatments on the microstructural Evolution and Microhardness of Laser Powder Bed Fusion manufactured Inconel 625
(2020-07-30)
Laser Powder Bed Fusion is an additive manufacturing technology that allows the production of parts with complex geometries. [8] The high energy focused laser beam that selectively melts the cold powder bed leads to high ...
Knee Valgus vs. Knee Abduction Angle: Comparative Analysis of Valgus Alignment Measurement Methods in Female Athletes
(2020-07-30)
Precise mathematical methods have been developed to quantify lower limb kinematics in anatomically meaningful ways to aid clinicians and researchers in a range of ways from injury prevention to rehabilitation practices. ...
Impact of Climate Change on Storage Conditions for Major Agricultural Commodities across the Contiguous United States
(2020-07-30)
Changes in postharvest storage conditions due to climate change can directly affect energy usage and food supply and quality. However, no study has assessed climate change impacts on postharvest storage conditions in ...
Examining Perceived Family Support as a Moderator of Associations between Posttraumatic Stress Symptoms and Parental Stress among Sex Trafficking Survivors with Children
(2020-07-30)
In addition to the adverse health outcomes associated with sex trafficking victimization – namely posttraumatic stress disorder (PTSD) – trafficking survivors with children may face additional parenting-related stressors. ...
Effects of Tagging and Translocation on Paddlefish in the Alabama River
(2020-07-30)
Dams directly impede fish movement. Different passage structures have been incorporated into the design of dams in attempt to restore connectivity, however, passage is limited to particular fish species. Lock-and-dam ...
Effects of Hydraulic Retention Time on Nutrient Film Technique Lettuce Production in a Decoupled Aquaponics System
(2020-07-30)
A series of 28-d hydroponic and aquaponic experiments were conducted at Auburn University from April 2019-March 2020 to determine the effects of limited nitrogen (N) and hydraulic retention time (HRT) on ‘Rex’ butterhead ...
New approach on Phenol-Formaldehyde resins for Wood Composites
(2020-07-30)
Almost two-thirds of the state of Alabama is covered by forest. This generates a substantial market for wood products. Engineered wood products named particleboards (PB) are useful for low load bearing applications. Even ...
Emotion Regulation and Sleep among Black and White College Students
(2020-07-29)
Emotion regulation has been associated with a range of health outcomes including cardiovascular activation, elevated inflammation, and psychopathy. However, few studies have examined the extent to which specific regulatory ...
Evaluating a Companion Homework App for Parent-Child Interaction Therapy
(2020-07-29)
The present study constituted a pilot evaluation of the Special Time Homework App, a smartphone application designed to serve as a companion tool for Parent-Child Interaction Therapy (PCIT) by facilitating the completion ...
Assessment of Turmeric (Curcuma longa L.) Varieties for Yield and Curcumin Content
(2020-07-28)
Turmeric (Curcuma longa L.) is a rhizomatous herbaceous perennial plant belonging to the ginger family, Zingiberaceae. Currently, more than 80% of turmeric is produced by India and turmeric products are exported to numerous ...