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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Rigorous theory based on transient Eigen expansion rectifying known integral analysis of unsteady viscous encroachment in capillary channels
(2015-08-10)The primary goal of my thesis is to investigate the well known fluid phenomenon of encroachment of a viscous liquid in a narrow channel due to capillary action. This has been achieved by determining the time-dependent ... -
Examining Elementary Preservice Teachers' Mathematics Common Content Knowledge and Specialized Content Knowledge Related to Base 10 Concepts
(2017-12-14)Despite decades of reforms in mathematics preservice education, content and delivery methods remain mostly the same. Consequently, preservice teachers are entering the teaching profession with a lack of common content and ... -
Capillary-driven Microfluidic Biosensing Platforms for Digital Biomolecule Detection
(2020-07-30)Microfluidic systems enable rapid diagnosis, screening, and monitoring of diseases and health conditions using small amounts of biological samples and reagents. Research on microfluidic devices for biological analysis has ... -
Identification and segmentation of pre-cancerous cervix lesions for automated diagnosis of Cervical Neoplasia
(2007-05)The design and implementation of an automated diagnostic tool for Cervical Intraepithelial Neoplasia (CIN), a detectable and treatable precursor pathology of uterine cervical cancer, is being considered. The pathological ... -
Evaluation of palatability through objective and subjective measures among multiple beef cuts
(2018-05-07)The purpose of this study was to characterize the palatability of multiple beef cuts from three quality grades. A previously developed objective beef juiciness measurement was also conducted to determine the relationship ... -
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 ...
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