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 [13347]
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Masters Theses [18282]
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Undergraduate Theses [12]
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Virginia Tech ETD Resources [11]
Documentation about creating and formatting Vinginia Tech ETDs.
Recent Submissions
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Assessing vulnerability and multi-hazard risk in the Nepal Himalaya
(Virginia Tech, 2018-11-15)Communities around the world are encountering unprecedented rates of change due to population growth, land use change, development, and increased social vulnerability to natural hazards. Understanding how physical processes ... -
Factors affecting the quality and function of the bovine periovulatory follicle
(Virginia Tech, 2018-11-15)For many cattle operations, profitability depends on the success of reproductive management programs. Opportunities for improving fertility exist within the numerous challenges related to reproductive management. ... -
Professional Learning in Cooperative Extension: Understanding Opportunities for Social Learning and the use of Computer Mediated Technologies
(Virginia Tech, 2018-11-15)Social Learning in the workplace can encompass many things. In social environments, adults are constantly communicating with their colleagues and actually participating in an exchange of shared knowledge. As virtual learning ... -
A Case Study of Integrative Agricultural Education: Integrating Mathematics to Develop Students Quantitative Reasoning
(Virginia Tech, 2017-05-24)Preparing students to be life-long learners that are career and college ready is a goal of agricultural education. Changing expectations of education have pointed to agriculture educators as potential leaders in the STEM ... -
Modeling and Control of Voltage-Controlling Converters for Enhanced Operation of Multi-Source Power Systems
(Virginia Tech, 2018-11-14)The unconventional improvements in the power electronics field have been the primary reason for massive deployment of renewable energy sources in the electrical power grid over the past several decades. This needed trend, ... -
An Examination of Design/Build Projects in the Education of an Architect
(Virginia Tech, 2018-11-14)This thesis aims to provide an examination of design/ build projects as a mode of educating architects from the perspective of a recurring student participant. Contemporary scholarly articles are synthesized with ... -
Design and Development of a Novel Reconfigurable Wheeled Robot for Off-Road Applications
(Virginia Tech, 2018-11-14)Autonomous navigation with high speed in rough terrain is one of the most challenging tasks for wheeled robots. To achieve mobility over this terrain, a high agility wheeled robot should adapt and react fast to optimally ... -
The Impact of Campaign Visits on Predicted Voter Choice in the 2016 Presidential Election
(Virginia Tech, 2018-11-14)This thesis conducted research on the impact of campaign visits on levels of predicted voter choice within the 2016 U.S. Presidential election. Data on discrete events throughout the campaign were collected to first determine ... -
Measurements of Scalar Convection Velocity in Heated and Unheated High-Speed Jets
(Virginia Tech, 2018-11-14)Jet noise has been a growing concern in recent years due to the costs associated with hearing loss of United States service members. Jet noise is also becoming more of a concern due to the rise of civilian complaints ... -
Mechanistic Studies and Inhibition of N-hydroxylating Monooxygenases
(Virginia Tech, 2017-05-23)N-hydroxylating monooxygenases (NMO) are members the class B flavoprotein monooxygenases. They catalyze the N-hydroxylation of lysine and ornithine and play and essential role in the biosynthesis of hydroxamate containing ... -
The Influence of Layout on Degradation of the Appalachian Trail
(Virginia Tech, 2018-11-13)This research investigates the influence of layout and design on the severity of trail degradation. Previous trail studies have been restricted by relatively small study areas which provide a limited range of environmental ... -
Analysis of Post-Sandy Single-Family Housing Market in Staten Island, New York
(Virginia Tech, 2018-11-13)Recent hurricanes have made it clear that housing is the single greatest component of all losses in terms of economic value and buildings damaged. Housing damage resulting from floods has increased in the United States, ... -
Assessment of the Validity, Reliability, and Sensitivity of Fingerstick δ¹³C as an Added Sugar Biomarker in Adolescents: A Controlled Feeding Study Approach
(Virginia Tech, 2017-05-22)An estimated 20.5% of adolescents ages 12 – 19 years were obese (≥95th percentile of BMI-for-age) in 2011 – 2014. Consumption of added sugars (AS) has been linked with adverse effects on weight and cardiovascular disease ... -
Participation in a shifting global context? A case study of labor and faith in the American South
(Virginia Tech, 2017-05-22)Farmworker ministries provide essential goods and services as well as spiritual support to migrant farmworkers living abroad. While faith-based organizations and/or ministries are key to supporting migrant and/or refugee ... -
Morphological and Physiological Responses of Senegalia senegal (L.) Britton Provenances to Drought, Salinity, and Fertility
(Virginia Tech, 2017-05-22)Increasing drought and salinity tolerances in economically important trees adapted to dry land areas is key challenge for maintaining the socioeconomic welfare of dry land areas. Strategies to improve drought and salt ... -
Determination of the Capacity Building Framework that Support a Collaborative Fruit and Vegetable Prescription Program
(Virginia Tech, 2017-05-22)Over half of U.S. adults, roughly 117 million individuals, suffer from at least one preventable chronic disease, such as obesity, hypertension, coronary heart disease, and certain types of cancer. Epidemiological studies ... -
Non-migrating tides in the Martian thermosphere
(Virginia Tech, 2018-08-02)Previous studies have identified longitudinal structures associated with non-migrating tides in observations of the upper neutral atmosphere of Mars. MAVEN’s Imaging Ultraviolet Spectrometer (IUVS) observations of the upper ... -
Effects of Feeding Hulless Barley (Hordeum vulgare L.) and Supplementing a Fibrolytic Enzyme on Production Performance, Nutrient Digestibility, and Milk Fatty Acid Composition of Lactating Dairy Cows
(Virginia Tech, 2018-11-07)The overall objective of this study was to evaluate the effects of feeding hulless barley and supplementing a xylanase enzyme on production performance and nutrient utilization of lactating dairy cows. In study 1, we ... -
Surface Orientation Dependent Corrosion Damage and Temperature Dependent Mechanical Property Degradation of Sensitized AA5083-H116 Alloys
(Virginia Tech, 2018-11-06)This study relates the sensitization process microstructural changes of 5083-H116 to its resulting corrosion resistance and mechanical performance. Alcoa 5083-H116 was sensitized in an environmental chamber at 100°C for ... -
Analytical and Experimental Investigation of Insect Respiratory System Inspired Microfluidics
(Virginia Tech, 2018-11-06)Microfluidics has been the focal point of research in various disciplines due to its advantages of portability and cost effectiveness, and the ability to perform complex tasks with precision. In the past two decades ...
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