Browsing ETDs: Virginia Tech Electronic Theses and Dissertations by Title
Now showing items 36654-36673 of 38450
-
U-Pb dating of granites from the Charlotte belt of the southern Appalachians
(Virginia Tech, 1987-07-05)New U-Pb zircon ages from plutons in the Charlotte belt of the southern Appalachians have provided evidence of Cambro-Ordovician and Siluro-Devonian magmatic activity. Several U-Pb zircon ages of Cambro-Ordovician plutons ... -
U.S. Abrogation of the I.N.F. Treaty: Implications for Russian-Sino Relations
(Virginia Tech, 2021-01-27)This thesis aims to address how the strategic partnership between Russia and China is affected by the absence of the Intermediate-Range Nuclear Forces Treaty, also known as the I.N.F. Treaty. Through historical evidence ... -
U.S. aggregate demand for clothing and shoes, 1929-1994: Effects of changes in price, nondurables expenditures, and demographics
(Virginia Tech, 1998-01-30)The main objective of this study was to evaluate the effects of the changes in total nondurables expenditures, prices, and demographics on the U.S. aggregate demand for clothing categories and shoes. In particular, this ... -
The U.S. Air Force Transformed Approach to Military Family Housing: An Organizational Routine Case Study in Change and Learning
(Virginia Tech, 2016-02-08)In 1996, the U.S. Congress initiated a change to the Department of Defense (DOD) military family housing program. Applying organizational learning and change theories, this study of the Department of the Air Force (AF) ... -
U.S. Arctic National Interests and Arctic Engagement
(Virginia Tech, 2022-10-24)This dissertation investigates the emergence and evolution of United States' national interests in the Arctic region, as well as examines the factors that influence how the U.S. engages in cooperative endeavors in the ... -
The U.S. Army School of the Americas and U.S. National Interests in the 20th Century
(Virginia Tech, 2001-04-24)The training of Latin American militaries at the United States Army School of the Americas has lasted through many stages of U.S. foreign policy. The training of approximately 55,000 Latin American civilian, military, and ... -
U.S. Cities Taking Sustainability Seriously: The Impacts of Sustainability Policies on Economic Growth and Poverty
(Virginia Tech, 2016-07-18)According to Kent Portney's seminal two-part study, cities across the U.S. are taking sustainability seriously by implementing a range of sustainable policies and programs. Yet by doing so, low-income people are seemingly ... -
The U.S. copper market (1975 to 1981): an inquiry into producer behavior
(Virginia Polytechnic Institute and State University, 1983)It has been alleged that the major producers of refined copper in the United States have sufficient market power to enable them to"administer" their own prices. From the early 1960s until about mid-1978, the differences ... -
U.S. economic assistance, the Alliance for progress and Latin American development
(Virginia Polytechnic Institute and State University, 1970)This thesis presents a critical evaluation of the Alliance for Progress. Particular emphasis is placed on the main difficulties and failures that the Alliance has had during its first years of existence. However, certain ... -
U.S. Importation of French Cheeses: Trade Protectionism or Consumer Protection
(Virginia Tech, 1999-07-28)This study examines the extent to which the equivalency provision presented in the SPS agreement is able to foster trade negotiations between countries adopting different food safety measures. The study examines the role ... -
U.S. in the Unipolar Moment: Analysis of George W. Bush Middle East Foreign Policy
(Virginia Tech, 2014-05-09)Using a comparative trend analysis for fifteen states in the Middle East during President George W. Bush's eight year administration, this paper provides one method for answering the research question, "What was the ... -
U.S. Military Peacebuilding and Post-Conflict Reconstruction: Meeting the Challenges of the Post-9/11 Environment
(Virginia Tech, 2011-12-06)The purpose of this study was to explore what strategy the U.S. Department of Defense should use and how its forces may/should be arrayed in future peace building and post-conflict reconstruction operations. The nature ... -
U.S. Military Student Veterans Identity Formation: Policy Feedback and Symbolic Interactionism
(Virginia Tech, 2019-07-14)This dissertation takes a three-article approach in which the literature from public administration, political psychology and sociology is synthesized around student veterans as a new phenomenon in higher education and ... -
U.S. policy of conditioning China's most-favored-nation status on intellectual property protection, 1991-1993
(Virginia Tech, 1995)This study focuses on the U.S. policy of conditioning China's Most-FavoredNation (MFN) status on its intellectual property protection in the 1991-1993 period. It seeks to evaluate the importance of U.S. foreign policy ... -
The U.S. Print Media's Framing of the Genetic Modification of Food
(Virginia Tech, 2008-06-26)In the last decade, the prevalence of genetically modified organisms (GMOs) within the American food supply has rapidly increased, with some experts estimating their presence in 80% of all U.S. food products. Unlike many ... -
U.S. Senate Deliberations on the War Powers Resolution during the Bush and Obama Administrations
(Virginia Tech, 2017-01-10)The domestic and geopolitical disaster of the Vietnam War, and the process that took the United States into such a large-scale and protracted conflict, led Congress to reinforce its checks on executive war powers. The ... -
U/Pb Zircon Ages of Plutons from the Central Appalachians and GIS-Based Assessment of Plutons with Comments on Their Regional Tectonic Significance
(Virginia Tech, 2001-09-28)The rocks of the Appalachian orogen are world-class examples of collisional and extensional tectonics, where multiple episodes of mountain building and rifting from the pre-Cambrian to the present are preserved in the ... -
UAS Risk Analysis using Bayesian Belief Networks: An Application to the VirginiaTech ESPAARO
(Virginia Tech, 2016-09-27)Small Unmanned Aerial Vehicles (SUAVs) are rapidly being adopted in the National Airspace (NAS) but experience a much higher failure rate than traditional aircraft. These SUAVs are quickly becoming complex enough to ... -
UAV Based Measurement Opportunities and Evaluation for 5/6G Connectivity of Autonomous Vehicles
(Virginia Tech, 2022-06-03)The emergence of unmanned aerial vehicles (UAVs) along with the implementation of 5G networks offers exciting opportunities in expanding wireless capabilities. Not only is improved wireless performance expected with ... -
UAV Communications: Spectral Requirements, MAV and SUAV Channel Modeling, OFDM Waveform Parameters, Performance and Spectrum Management
(Virginia Tech, 2015-06-23)Unmanned Aerial Vehicles (UAV) are expected to be deployed both by government and industry. Rules for integrating commercial UAVs into a nation's airspace still need to be defined, safety being the main concern. As part ...