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Browsing ETDs: Virginia Tech Electronic Theses and Dissertations by Title
Now showing items 229-248 of 1031
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(Virginia Tech, 2013-05-14)Though the benefits of physical activity are numerous and well-known, very few adolescents are meeting physical activity recommendations. Moreover, past research shows that physical activity declines with increasing age ...
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(Virginia Tech, 2004-03-23)The research presented in this manuscript introduces an independent structural health monitoring (SHM) system capable of performing impedance-based testing and detecting shifts in resonant frequencies. This independent ...
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(Virginia Tech, 2004-06-08)Breeding objectives were developed for Targhee sheep at different levels of prolificacy and triplet survival. Economic weights (EW) were derived for estimated breeding values (BV) from National Sheep Improvement Program ...
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Developing Guidelines for Collaborative Spaces Supporting Interdisciplinary Engineering Design Teams(Virginia Tech, 2013-04-25)Communication deficiencies within interdisciplinary teams are known to reduce the effectiveness of those teams by causing erroneous behaviors (Alvarez & Coiera, 2006; Reader, Flin, & Cuthbertson, 2007). Also, many design ...
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(Virginia Tech, 2004-07-07)Evaluation is the key to effective interface design. It becomes even more important when the interfaces are for cutting edge technology, in application areas that are new and with little prior design knowledge. Knowing how ...
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(Virginia Tech, 2004-03-22)This study tested a mediated-moderator model that was developed to explore whether age of entry into a Head Start Program moderated the relationship between maternal depressive symptomology and child cognitive and social ...
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(Virginia Tech, 1999-08-24)Watershed monitoring programs generally do not have perfect data collection success rates due to a variety of field and laboratory factors. A major source of error in many stream-gaging records is lost or missing data ...
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(Virginia Tech, 2012-12-06)Work-related musculoskeletal disorders (WSMDs) are an important health concern in the workplace. Accurately quantifying the level of physical exposures (i.e., kinematics and kinetics) is essential for risk assessments, ...
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(Virginia Tech, 2003-08-12)TITLE DEVELOPMENT AND RESOLUTION OF PULMONARY ARTERIAL HYPERTENSION IN RAO HORSES Robert B. Martin Craig Thatcher, LACS Chairman (ABSTRACT) Equine recurrent airway obstruction (RAO) is associated with airway inflammation ...
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(Virginia Tech, 2003-09-19)The Global Positioning System (GPS) satellite signals provide not only traditional radionavigation service but inexpensive and convenient radio beacons for signal propagation studies on ionosphere and atmosphere. This ...
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(Virginia Tech, 2003-05-01)A steady-state computational model for a proton exchange membrane fuel cell (PEMFC) is presented. The model accounts for species transport, electrochemical kinetics, energy transport, current distribution, water uptake ...
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(Virginia Tech, 1997-03-14)Development of Alternative Crab Claw Processing Systems to Minimize Environmental Impact by Jennifer Lyn Benning Chair: Dr. Gregory Boardman Environemental Engineering (ABSTRACT) In the recent years, environmental regulations ...
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(Virginia Tech, 2013-01-22)Fiber optic temperature sensing has become a well-defined field in the past few decades [1] through the use of Fiber Bragg Gratings, Fabry-Perot interferometry, and pyrometry, to list several techniques in use today. The ...
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(Virginia Tech, 2013-04-23)Previous authors have developed many different types of water pipe condition and failure models using the various methodologies available. Contrary, current utilities are struggling to maintain their current water ...
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Development of a remote analysis method for underground ventilation systems using tracer gas and CFD(Virginia Tech, 2013-04-04)Following an unexpected event in an underground mine, it is important to know the state of the mine immediately to manage the situation effectively. Particularly when part or the whole mine is inaccessible, remotely and ...
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(Virginia Tech, 2003-09-05)Several Municipalities in Virginia are currently developing and implementing watershed programs. While programmatic goals and objectives vary, all seek to incorporate stream restoration project work. Decision support tools ...
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(Virginia Tech, 2004-06-24)The objectives of the research presented in this thesis are the development of a seven degree-of-freedom morphing airplane and the design and integration of a variable camber compliant tail. The morphing airplane was ...
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(Virginia Tech, 2004-05-05)Virtual acoustic techniques can be used to create virtual listening environments for multiple purposes. Using multi-speaker reproduction, a physical environment can take on the acoustical appearance of another environment. ...
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(Virginia Tech, 1999-01-14)Bacillus anthracis is a facultative extracellular bacterial pathogen that causes cutaneous, gastrointestinal or respiratory disease in many vertebrates, including humans. Commercially available anthrax vaccines for ...
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(Virginia Tech, 2003-10-03)According to a 1999 Federal Highway Administration statistic, the U.S. has around 8.2 million lane-miles of roadways that need to be maintained and rehabilitated periodically. Therefore, in order to reduce rehabilitation ...
Now showing items 229-248 of 1031
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