ETDs: Virginia Tech Electronic Theses and Dissertations
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Virginia Tech has been a world leader in electronic theses and dissertation initiatives for more than 20 years. On January 1, 1997, Virginia Tech was the first university to require electronic submission of theses and dissertations (ETDs). Ever since then, Virginia Tech graduate students have been able to prepare, submit, review, and publish their theses and dissertations online and to append digital media such as images, data, audio, and video.
University Libraries staff are currently digitizing thousands of pre-1997 theses and dissertations and loading them into VTechWorks. Most of these theses and dissertations are fully available to the public, but we will, in general, honor requests by the item's author to restrict access to Virginia Tech only. See our process for Requesting that Material be Amended or Removed.
To search all Virginia Tech print and digital theses and dissertations, use the University Libraries ETD resource guide.
Materials that are restricted to Virginia Tech only may be requested via your own university or public library's Interlibrary Loan program or through the VTechWorks request form that appears when you try to access the item. You might also be able to obtain a copy of the work through ProQuest's database of theses and dissertations. If you are on a Virginia Tech campus but are unable to find the pre-1997 thesis or dissertation you are seeking in VTechWorks, you may also be able to order a physical copy from library storage. Please check the library catalog at http://www.lib.vt.edu/ for physical copies.
The guidelines that apply to Virginia Tech's graduate students as ETD authors can be found at http://guides.lib.vt.edu/ETDguide.
New! - Help video: Searching for Electronic Theses and Dissertations in VTechWorks
Collections in this community
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Doctoral Dissertations [15278]
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Masters Theses [20119]
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Undergraduate Theses [29]
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Virginia Tech ETD Resources [14]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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Paleontology and stratigraphy of the Shady Formation near Austinville, Virginia
(Virginia Polytechnic Institute and State University, 1977)The Shady Formation near Austinville, Virginia, approximately 60 miles (96 km) southwest of Roanoke, includes four members. Northwest of the axis of the Austinville anticline, the Shady Formation is entirely of Early ... -
Equivariant estimators and a special group structure
(Virginia Polytechnic Institute and State University, 1974)Given a G-invariant family of distributions and under suitable hypotheses concerning G, we characterize the form of G-equivariant estimators. In fact, corresponding to each G-equivariant estimator is an appropriate G-invariant ... -
Characterization of Reward Sensitivity, Positive Affect and Working Memory in Socially Anxious Young Adults
(Virginia Tech, 2021-10-12)Social anxiety disorder (SAD) is a debilitating disorder marked by persistent fear of one or more social or performance situations that is associated with poor daily functioning in various areas of life. Most empirically-supported ... -
Pharmacokinetics and pulmonary distribution of Draxxin® (tulathromycin) in healthy adult horses
(Virginia Tech, 2021-10-13)The objective of this study was to determine the pharmacokinetics and tolerance of tulathromycin (Draxxin®; 2.5 mg/kg once) after intramuscular (IM), subcutaneous (SC), and slow intravenous (IV) administration to six adult ... -
Mungbean [Vigna radiata (L.) Wilczek]: Protein-rich Legume for Improving Soil Fertility and Diversifying Cropping Systems
(Virginia Tech, 2020-04-21)Drought, salinity, and low soil fertility have negative impacts on agricultural productivity, resulting in food scarcity and nutritional insecurity, particularly in Sub-Saharan Africa. Mungbean [Vigna radiata (L.) R. ... -
Interactions of Chitin and Lignin Thin Films with Other Molecules
(Virginia Tech, 2021-10-12)As two of the most abundant natural polymers, chitin and lignin not only play critical roles in fungal and plant cell walls but are also important functional materials and promising feedstocks for a variety of chemicals. ... -
Rethinking the Force Concept Inventory: Developing a Cognitive Diagnostic Assessment to Measure Misconceptions in Newton's Laws
(Virginia Tech, 2021-10-12)Student misconceptions in science are common and may be present even for students who are academically successful. Concept inventories, multiple-choice tests in which the distractors map onto common, previously identified ... -
Presumptive identification of smooth Brucella strain antibodies in canines
(Virginia Tech, 2021-10-11)Brucellosis is a zoonotic disease caused by a Gram-negative coccobacillus. There are four Brucella strains of zoonotic importance in our domestic species, subdivided by their culture phenotypes: Brucella abortus (B. abortus, ... -
Patient Room Design that Integrates the Personalized Ventilation System for Cross-Infection Control
(Virginia Tech, 2021-10-11)Many airborne diseases such as Coronavirus variants are spread from person to person by indoor air movement. This is of particular concern in healthcare environments such as hospitals. There is a significant body of research ... -
Evaluation of the Pallet Deflection that Occurs Under Forklift Handling Conditions
(Virginia Tech, 2021-09-24)Industrial forklifts consist of one of the most common handling methods for pallets in warehouses and distribution centers. Pallets deflect while they are being transported by forklifts due to the weight of the unit load. ... -
Application of Optical Detection Methods for Top-of-Rail (TOR) Lubricity Evaluation on a Moving Platform for Revenue Service Track
(Virginia Tech, 2020-04-17)This research serves to evaluate the ability of optical detection techniques to ascertain the lubricity of revenue service track from a moving platform for railroad applications. A literature review is presented that covers ... -
The Role of Volatile Organic Compounds on Soil Microbial Communities and Ecosystem Processes
(Virginia Tech, 2020-04-17)Soil microorganisms are primarily limited by carbon (C) availability. The majority of C entering belowground food webs comes directly from local flora. Plant derived labile C compounds affect microbial community structure ... -
A Real-Time Computer Vision Based Framework For Urban Traffic Safety Assessment and Driver Behavior Modeling Using Virtual Traffic Lanes
(Virginia Tech, 2021-10-07)Vehicle recognition and trajectory tracking plays an integral role in many aspects of Intelligent Transportation Systems (ITS) applications; from behavioral modeling and car-following analyses to congestion prevention, ... -
Analysis of Transient and Steady State Vehicle Handling with Torque Vectoring
(Virginia Tech, 2021-10-07)Advanced Driver Assistance Systems (ADAS) and Autonomous Ground Vehicles (AGV) have the potential to increase road transportation safety, environmental gains, and passenger comfort. The advent of Electric Vehicles has also ... -
Development of standardized dry roasting procedures for Virginia type peanuts
(Virginia Tech, 2021-10-08)Peanuts are grown around the world and in United States where most peanuts are consumed after roasting. Peanuts are roasted to a specified color on L*a*b* scale as it is correlated with quality and acceptability. Two batches ... -
Human-Robot Interaction with Pose Estimation and Dual-Arm Manipulation Using Artificial Intelligence
(Virginia Tech, 2020-04-16)This dissertation focuses on applying artificial intelligence techniques to human-robot interaction, which involves human pose estimation and dual-arm robotic manipulation. The motivating application behind this work is ... -
Behavioral Adaptation to Driving Automation Systems: Guidance for Consumer Education
(Virginia Tech, 2020-04-15)Researchers have postulated that the implementation of driving automation systems could reduce the prevalence of driver errors, or at least mitigate the severity of their consequences. While driving automation systems are ... -
Brief Adjustment Scale - 6 for Measurement-Based Care: Further Evaluation of Psychometric Properties, Ethnic Samples, and Clinical Utility
(Virginia Tech, 2021-09-08)The Brief Adjustment Scale-6 (BASE-6) was recently developed and initially examined as a brief, reliable, no-cost survey for measuring general psychological functioning within Measurement-Based Care (MBC). This study aims ... -
Scalable Electrochemical Surface Enhanced Raman Spectroscopy (EC-SERS) for bio-chemical analysis
(Virginia Tech, 2021-10-06)Conducting vertical nanopillar arrays can serve as three-dimensional nanostructured electrodes with improved performance for electrical recording and electrochemical sensing in bio-electronics applications. However, vertical ... -
Mathematical and Numerical Investigation of Immune System Development and Function
(Virginia Tech, 2020-04-14)Mathematical models have long been used to describe complex biological interactions with the aim of predicting mechanistic interactions hard to distinguish from data. This dissertation uses modeling, mathematical analyses, ...
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