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 [14971]
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Masters Theses [19687]
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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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Tackling the current limitations of bacterial taxonomy with genome-based classification and identification on a crowdsourcing Web service
(Virginia Tech, 2019-10-25)Bacterial taxonomy is the science of classifying, naming, and identifying bacteria. The scope and practice of taxonomy has evolved through history with our understanding of life and our growing and changing needs in research, ... -
Decision Support for Operational Plantation Forest Inventories through Auxiliary Information and Simulation
(Virginia Tech, 2019-10-25)Informed forest management requires accurate, up-to-date information. Ground-based forest inventory is commonly conducted to generate estimates of forest characteristics with a predetermined level of statistical confidence. ... -
Structure-Process-Property Relationships of Cellulose Nanocrystal Thermoplastic Urethane Composites
(Virginia Tech, 2019-10-25)Nanomaterials are becoming increasingly prevalent in final use products as we continue to improve our understanding of their structure and properties and optimize their processing. The useful applications for these materials ... -
MATERIAL DEGRADATION STUDIES IN MOLTEN HALIDE SALTS
(Virginia Tech, 2021-04-16)This study focused on molten salt purification processes to effectively reduce or eliminate the corrosive contaminants without altering the salt's chemistry and properties. The impurity-driven corrosion behavior of HAYNES® ... -
Learning in Place: Teachers' Experiences with a Place-based Language Arts Curriculum in Rural Appalachia
(Virginia Tech, 2021-04-16)Research in rural gifted education is garnering increased national attention (Plucker and Callahan, 2014; Lewis and Boswell, 2020), yet inequities in rural gifted services continue to challenge educators in their efforts ... -
Deivisceris
(Virginia Tech, 2021-04-15)Deivisceris is a four-player role-playing tabletop game that focuses on themes of horror. It looks into ideas from the horror genre as a whole while combining aspects from the body horror and cosmic horror subgenres to ... -
Occoquan Reservoir and Watershed: A Water Quality Assessment 1973–2019
(Virginia Tech, 2021-04-15)The Occoquan Reservoir is part of the largest indirect potable reuse systems in the United States. It in an important water supply source for the Northern Virginia area, as well as, an ecological and recreational area. ... -
The Effect of Active Learning on Academic Motivation Among Pre-Service Teachers
(Virginia Tech, 2021-04-15)The active learning assignment, Pink Time, provides an opportunity to experience and reflect upon learning that may both benefit individuals and contribute to high-quality teaching. Previous studies have found that Pink ... -
An investigation to determine the rate and degree of recovery of Stroubles Creek after diversion of poorly treated sewage, Blacksburg, Virginia
(Virginia Polytechnic Institute, 1949) -
A study of the self-purification of Strouble's Creek
(Virginia Agricultural and Mechanical College and Polytechnic Institute, 1914) -
A report of an investigation of a portion of Strouble's Creek, near Blacksburg, Montgomery County, Virginia
(Virginia Agricultural and Mechanical College and Polytechnic Institute, 1913) -
Essays on Financial Economics
(Virginia Tech, 2021-04-14)This dissertation consists of three papers. In the first paper, I study firms' capital raising decisions in a two-stage signaling game. In the model, firms can issue debt or equity to finance sequentially arriving investment ... -
Impression of DC: Research for Basic Element of Architecture in Three Dimension
(Virginia Tech, 2021-04-14)For finishing this thesis, I want to rethink the meaning of architecture after studying architecture in these years. I reviewed buildings in the world. In the process of reviewing, I analyzed these buildings by the method ... -
Multi-Length Scale Modeling of Rubber Tribology For Tire Application
(Virginia Tech, 2019-10-22)Tire, or in its primitive form, Wheel, an important invention for the transportation sector, has evolved from a circular block of hard and durable material to one of the most complex and influential components of an ... -
Investigating the Spatiotemporal Variation in Functional Markers, Gut Metabolites and Ethanol Toxicity in In Vitro Cultures of the Rat Jejunum and Hepatocytes
(Virginia Tech, 2019-10-22)The small intestine and the liver regulate several physiological functions together including the absorption and bioavailability of drugs and bile and nitrogen homeostasis. It is important to study these two organs together ... -
Wearable Power Sources and Self-powered Sensors Based on the Triboelectric Nanogenerators
(Virginia Tech, 2020-11-16)The triboelectric nanogenerator (TENG) has attracted global attention in the fields of power sources and self-powered sensors. By coupling the omnipresent triboelectrification effect and the electrical induction effect, ... -
Insect pest management in hemp in Virginia
(Virginia Tech, 2021-04-13)For the first time in many decades, a hemp pilot program was initiated in Virginia in 2016. Outdoor surveys were conducted in the 2017 and 2018 field seasons to record insect presence and feeding injury to plants. Multiple ... -
Assessment of Cross Laminated Timber Markets for Hardware Lumber
(Virginia Tech, 2020-09-25)The goal of this study was to assess the potential of using hardwood lumber in CLT manufacturing. The goal was achieved by addressing four specific objectives. The first objective was to collect CLT manufacturers' perspectives ... -
Modeling Automated Vehicles and Connected Automated Vehicles on Highways
(Virginia Tech, 2021-04-12)The deployment of Automated Vehicles (AV) is starting to become widespread throughout transportation, resulting in the recognition and awareness by legislative leaders of the potential impact on transportation operations. ... -
Promoting Systematic Practices for Designing and Developing Edge Computing Applications via Middleware Abstractions and Performance Estimation
(Virginia Tech, 2021-04-09)Mobile, IoT, and wearable devices have been transitioning from passive consumers to active generators of massive amounts of user-generated data. Edge-based processing eliminates network bottlenecks and improves data privacy. ...
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