Electronic Theses and Dissertations
Electronic theses and dissertations (ETDs) are the graduate research outputs of Texas Tech University. They represent years of work from our Master's and Doctoral graduates. If you find the ThinkTech digital repository useful, please tell us! Share how open access to scholarship benefits you. Your story matters to us.
Find and stream Texas Tech faculty recitals, graduate student recitals, Madrigal Dinners, and other performance recordings.These audio performances are accessible via eRaider login from the University Library website on your computer or mobile device. Have a listen at Stream Audio & Video Experience (SAVE). Stream Audio and Video Experience (SAVE)Recent Submissions
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Dynamics of Probes in Ionic Liquids from Ultrafast to Ultraslow
(2013-06-18)Room temperature ionic liquids have been known for fascinating physicochemical properties and have been extensively studied in the last two decades. They are considered to be a solution for the future’s green chemistry ... -
Two Essays on the Effects of Product Recalls on Sales Dynamics and Consumer Loyalty
(2014-08-05)As product recalls are increasing and often occur inevitably, it is critical to understand various effects of product recalls on the sales of different brands and on loyal consumers. Although the damage of product recalls ... -
The Attitudes Toward and Perceived Communicative Competence of Individuals with Aphasia using Speech Generating Devices
(2016-08)Purpose: The purpose of this dissertation was twofold. Study one established the reliability and validity of the Communicative Competence scale (CC scale). Study two investigated the effects of augmentative and alternative ... -
BEHAVIORAL ECOLOGY OF ORYZOMYS PALUSTRIS (MARSH RICE RAT) IN COASTAL TEXAS: IMPLICATIONS FOR THE LIFE-HISTORY STRATEGY OF BAYOU VIRUS (BAYV)
(2013-08-09)Prior to the 1990s, Hantaviruses (Family: Bunyaviridae) and their manifest human syndromes were viewed as public health concerns primarily for Eurasia. However, the Sin Nombre virus (SNV) outbreak of 1993-94 in the ... -
Intentional Technology Integration and Digital Literacy Development: A Design-Based Insider Action Research Study
(2019-03-19)This research explores the attitudes, feelings and beliefs instructional leaders have regarding instructional technology and digital literacy development. Combining design-based improvement principles with an insider-action ... -
EVALUATION OF ERAGROSTIS TEF AS A FORAGE OPTION FOR GRAZING BEEF CATTLE ON THE SOUTHERN HIGH PLAINS
(2019-04-19)Teff grass (Eragrostis tef [Zucc.] Trotter) was fed to beef steers either alone or in combination with crude protein supplements in order to evaluate forage DMI, animal growth performance, grass production attributes, water ... -
Cascaded H bridge based solid state transformer for Medium Voltage and Low voltage interface, Simulation and Analysis.
(2019-05-02)This thesis paper presents a smart way to interface a medium voltage grid with low voltage grid as a response to rapidly growing penetration of distributed Energy resources (DES) in the power system grid. With renewable ... -
Determination of Several Elements in Chelonia mydas and Pterodroma hypoleuca from Hawaii
(2019-04-25)Elemental contaminants are present in the food chain through natural or anthropogenic sources. Larger doses, longer durations of exposure and frequent exposure will increase the risk of elemental toxicity. Animals such as ... -
Analyses of national and local data to determine associations in separate child and adult samples: Examining predictors of stunting among 24 to 59 month old children in Bangladesh and interrogating associations of weight history and attempts to lose/manage weight in West Texas, USA
(2019-04-26)Background: Stunting is a major public health problem in Bangladesh. The persistent prevalence of stunting in Bangladesh remains virtually unchanged, and the rate of reduction is even lower than in the past. Most notably, ... -
Assessing the Effect of Interventions on Pathogens and The Microbial Ecology of the Poultry Processing Chain by Microbial Profiling and the Phenotypic and Genotypic Characterization of Antimicrobial Resistance
(2019-02-18)Salmonella and Campylobacter continue to be major foodborne pathogens in the U.S. and poultry is one of the leading carriers of these bacteria. During the poultry processing operations, the risk of contamination by any ... -
EVALUATION OF VITAMIN A AND ZINC PROPIONATE SUPPLEMENTATION ON GROWTHPERFORMANCE, SERA METABOLITES, MUSCLE FIBER AND CARCASS CHARACTERISTICS IN BEEF STEERS
(2019-04-26)Two experiments were conducted to evaluate the effects of zinc propionate and vitamin A status on feedlot steer growth performance, carcass characteristics, and muscle fiber characteristics. First, a randomized complete ... -
Flavor Profiles and Traits of Crossbred Dairy Cattle
(2019-05-10)The objective of this study was to evaluate the meat quality of five beef breed crosses with dairy cattle: Angus × Holstein, Angus × Dairy Cross, Charolais × Jersey, Charolais × Dairy Cross, SimAngus × Holstein. The SimAngus ... -
Analysis of Indoor Radon in Texas and Depleted Uranium in Hawai'i
(2019-05-08)This dissertation is composed of three studies related to mass spectrometry and environmental uranium. Each study was written as separate chapters, formatted as manuscripts submitted for publication to three different ... -
Re-envisioning QTL dynamics in rice: Interaction of the drought-mediated yield penalty QTL qDTY12.1 with its genetic background
(2019-05-08)Breeding to improve the drought tolerance of rice with respect to yield retention under drought have been underway for quite some time now. The discovery of large-effect QTL (qDTY) and their introgression into elite genetic ... -
Random parameter models with nonlinear functional form and heterogeneous overdispersion
(2019-04-26)A vehicle crash is the combined effect of various factors, such as those related to the driver, vehicle, roadway geometry, environmental conditions, and so on. However, the existing databases only cover a very limited part ... -
Effect of Microstructure Surface Geometry on Drone Propeller Efficiency and Performance
(2019-05-08)Previous studies have shown the effectiveness of engineered surfaces on reducing the boundary layer separation in airfoils. To continue that research effort, this study investigates the effect of varying the geometry of ... -
Wearable Devices: A Tool for the Malicious Reconnaissance of Private Spaces
(2019-05-02)The ownership of smart devices such as smartphones and smartwatches has drastically increased. These devices come equipped with a broad range of sensors which are considered to be benign by the operating system and, ... -
The Secrets We Tell: The Impact of Motivation and Disposition on Concealable Stigma Disclosure
(2019-04-27)Individuals living with concealable stigmas (CSIs; i.e., identities that are not readily discernable by others) must make difficult decisions concerning how, when, and to whom to disclose their identity (e.g., mental illness ... -
A Case Study of a High-Precipitation Supercell-Bow Echo Transition on 4-5 June 2008
(2019-04-03)On 4-5 June 2008, the Texas Tech StickNet teams deployed an array of instruments to make measurements from a high-precipitation (HP) supercell-bow echo (SBE) transition during Project MOBILE. Prior to crossing the StickNet ... -
SUSCEPTIBILITY TO KIDNEY DISEASES FROM CHRONIC EXPOSURE TO ARSENIC OR NICOTINE
(2019-04-25)Kidney diseases and cancer are two of the dominant urologic diseases worldwide. The number of the new cases of kidney diseases and cancers has increased in multiple countries including the United States over the past decade. ...
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