Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 45 for “"Alternative technologies"”.
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Hazardous waste treatment and disposal: alternative technologies and groundwater impacts
… residues are reviewed and evaluated. Technologies are described as major, minor, and emerging according to their stage of development or application to hazardous waste; major ones include rotary kiln, liquid injection, and cement kiln incineration; neutralization, chemical …
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Application of Alternative Technologies to Eliminate <i>Vibrios </i> spp. in Raw Oysters
High pressure processing (HPP) and gamma irradiation were applied to inactivate <i>Vibrio vulnificus</i> (MO624) and <i>Vibrio parahaemolyticus</i> (O3:K6 TX2103) in pure culture and in inoculated live oysters. <i>Vibrio</i> pure culture and inoculated oysters were exposed to pressures of 207 MPa …
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Evaluation of the environmental impacts and alternative technologies of deicing/anti-icing operations at airports
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2001.
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Modeling learning when alternative technologies are learning & resource constrained : cases In semiconductor & advanced automotive manufacturing
… Rapid technological progress may mean that new technologies become available while existing technologies still exhibit learning-related cost reductions. In these cases, switching to a new technology means giving up these ongoing benefits while also incurring new technology introduction costs. …
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Modifications to an Existing Glycol Retention Pond and Alternative Technologies Review for Aircraft Deicing Operations and Glycol Recovery and Treatment: Dane County Regional Airport
… of this study was to review new aircraft deicing technologies and developments and surmise which approach may be the most appropriate for the Dane County Regional Airport’s (KMSN) expansion plans, size, available funds, and environmental impact reduction efforts. This paper focuses on the emerging …
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Variability in the emissions savings potential of battery electric vehicles across regions and individuals
… of electricity by 30% since 2007. Alternative technologies for road vehicles, such as battery electric, plug-in hybrid, and fuel cell powertrains have the potential to achieve significant emission reductions. Yet questions remain about the emissions and costs of these alternative …
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Irrigation Practice Adoption: Causes and Consequences in the Arkansas Delta
… to irrigate more efficiently. Not only are the alternative technologies supposed to reduce water use, it is also believed that their adoption can also yield economic benefits for the producer. Despite these assumed benefits, adoption of alternative technologies have been limited. The paper will …
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Evaluation of detection technologies for use in traffic management and control
In this project, various detection technologies were evaluated for their usefulness in traffic management and control. Technologies that can be installed above or to the side of the roadway were considered as possible replacements for inductive loop detectors because of the difficulties associated …
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Municipal Wastewater Disinfection with Electromagnetic Waves using Escherichia coli Concentration as Measurement of Quantification
… growing. Treatment facilities are implementing alternative technologies, though the cost and efficiency associated with these practices leave much room in the wastewater field for innovation.</p> <p>Hydropath Technologies Limited introduced a piece of equipment that uses the properties of a …
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A piezo-tunable gigahertz cavity microelectromechanical resonator
… cavity resonator designed for such applications. Alternative technologies provide wide tuning or high Q, but not both, and are generally not tunable. This resonator is distinguished by its simultaneous high Q near 200 and its wide high-frequency tuning range of 2.5 GHz to 4.0 GHz, which have been …
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Essays on transition challenges for alternative propulsion vehicles and transportation systems
… dynamic model of the prospective transition to alternative fuel vehicles. In Essay one I focus on the premise that automobile purchase decisions are strongly shaped by cultural norms, personal experience, and social interactions. To capture these factors, I examine important social processes …
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A three-pronged approach addressing capacity concerns in advanced turbine airfoil coatings
… new equipment and comparing that with potential alternative technologies. The proper utilization of these steps requires a thorough understanding of the organization's culture and how these change initiatives impact the relevant stakeholders. Without this organizational understanding, the chance …
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Public acceptance of alternative building technologies for rural housing development in the Eastern Cape Province of South Africa
… This implies that it was necessary to introduce alternative building technologies in order to speed up housing delivery in rural South Africa. Alternative building technology was introduced in the Eastern Cape Province asa pilot human settlement project aiming to speed up housing delivery. …
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When the Power is Out: Strategizing for Electricity Disruptions in Lilongwe
… disruptions, by piecing together an array of technologies and infrastructures. Drawing on in-depth interviews and observation, I argue that households build assemblages of infrastructures, bringing into their energy sources a mix of older technologies, as well as new ones, to ensure an …
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Wasted treasure in the trash: evaluating the diversion and reduction systems of food waste in an institutional setting based on environmental, economic and social implications
… have led to several more projects, emphasizing alternative technologies, specifically regarding waste-to-energy conversion. Comparative efforts at other universities along with waste audits conducted through the assistantship were considered, as well as successes from international case studies. …
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Nano-scale metal contacts for future III-V CMOS
… Si CMOS is reaching its physical limits and alternative technologies are needed to extend Moore's law. Among different candidates, MOSFETs with a III-V compound semiconductor channel are of great interest. Specifically, designs with an InGaAs channel have shown promising results for N type …
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The development of a hybrid virtual reality/video view-morphing display system for teleoperation and teleconferencing
… from head movement will be less than those from alternative technologies using remotely controlled ground cameras. For space applications, this can significantly reduce the apparent lag due to satellite communication delay. This hybrid VR/view-morphing display (“Virtual Video”) has many important …
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OpenLS for indoor positioning : strategies for standardizing location based services for indoor use
The combination of location positioning technologies such as GPS and initiatives like the US Federal Communications Commission's E911 telecommunication initiatives has generated a lot of interest in applications and services that are a function of a user's location, referred to as location-based …
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System-level Design, Fabrication, and Optimization of Sorbent-based Atmospheric Water Harvesting Devices
… especially in arid inland regions where alternative technologies are limited. However, current sorbent materials are often limited in their applicability due to system integration and device design constraints. In this thesis, we present advancement of atmospheric water harvesting …
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The impact of disruptive technology trends on networking hardware vendors
… of these router and switch products. Alternative technologies and business models are being introduced to customers, changing the value proposition of proprietary networking equipment. This thesis provides a holistic analysis of the impact of the changing technology and business …
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