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 33 for “"alternative technology"”.
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A comparison of alternative technology adoption models : the adoption of a CASE tool at a university
… models came to the fore. Such models include the Technology Acceptance Model (TAM) (Davis, 1989), the Technology Acceptance Model 2 (T AM2) (Venkatesh & Davis, 2000), the Decomposed Theory of Planned Behaviour (DTPB) (Taylor & Todd, 1995b), and the Perceived Characteristics of Innovating model …
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The potential for alternative technology to supply the energy needs of the rural population of South Africa
… report is aimed at evaluating the potential of alternative energy devices to satisfy the energy requirements of the underdeveloped rural regions of South Africa. A literature survey of the energy requirements of the inhabitants of such regions is first undertaken. Thereafter energy conversion …
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The need for alternative technology for water supply and waste disposal systems in the squatter settlements of developing countries.
Thesis. 1975. M.C.P.--Massachusetts Institute of Technology. Dept. of Urban Studies and Planning.
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Measuring teacher candidate self-efficacy using varied learning environments to implement explicit instruction
… this study helped better understand alternative technology learning environments and how they impacted pre-service educator performance on expected assignments in their preparation program.
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Analyzing the impact of mobile technology on mobile-centric youth in South Africa
… of information through enhanced mobile technology. The research project took place in Khayelitsha, Cape Town. Before beginning the formal study we entered the environment to better understand mobile technology practices amongst low-income urban teenagers and how we could supplement these …
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Vocational and academic secondary educator's perceptions of career education in Class A-AAAA schools in Wyoming
… 4) Delivery of School to Work Systems, and 5) Technology and use of alternative technology for the delivery of career education. Two hundred and sixty-six returned surveys provided a 58% return rate: 51.5% of the respondents were vocational teachers and 48.5% were academic teachers. There were …
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Thin Film Metallization and Protective Top-Coat Development
… research involved an investigation to find an alternative technology to chrome plating. The proposed system used a plastics substrate, a metalized layer, and a protective top-coat. The interfaces between the layers are the challenges and thus various experiments are conducted to examine the …
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GLUCOSE/ OXYGEN-BASED BIOFUEL CELL FOR BIOMEDICAL APPLICATIONS: ELECTRODE DESIGNS INTEGRATING CARBON COMPOSITE
… based on the need to develop biofuel cells as an alternative technology for powering implantable and/or extracorporeal medical devices. To accomplish this, processes occurring in nature are mimicked on the surface of bioelectrodes by enzymatic systems. In this research, various 'hot' topics, at …
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An energy supply and demand model for South Africa
… programme; - energy conservation policies; - alternative technology implementation. Energy planning in the past has been inadequate because of its segregated approach in treating each energy carrier, its lack of economic and technological inputs and its inability to highlight sensitive and …
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Hero Reports : mapping civic courage
… campaigns, they do not provide productive alternatives. Because of this, projects seeking to deflect fear, only serve to reify and preserve its power. An alternative technology is needed to effectively destabilize the message of fear inherent in the MTA campaign. Hero Reports …
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The economic and political significance of Russia's RBMK reactors
… operating the reactors or transition to an alternative technology should be discoverable. Subsequent discussion should address the modern safety and operating issues of RBMKs along with the generic risks of operating nuclear power plants to determine whether the reactors' are capable of …
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Technological innovation and local authorities: a case-study of the Greater London Council (GLC)
… thesis is a'case-study of a 'socially-directed' technology policy, formulated and implemented by the Greater London Council (GLC) whilst in office, between 1981 and 1986. The GLC attempted to make a direct link between technological innovation and social needs by creating the facilities, in the …
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Studies on the ion-droplet mixed regime in colloid thrusters
… of ions and droplets are gradually becoming an alternative technology for space micro-propulsion needs in missions requiring high position controllability, compactness and low power consumption. The mechanics of the colloid thruster emission process are discussed through a theoretical review of …
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Potential of Cyanobacterial Carbonate Precipitation for Concrete Restoration
… showed great potential. In this study, an alternative technology using autophototrophic cyanobacteria is proposed to overcome the pollution generated by urea-based MCP. This study investigated cyanobacterial carbonate precipitation (CCP) in concrete and mortar, and its impact on their …
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Communication Technologies and Society: Causality and Intervention
… approaches have assumed paramount importance: Technology Assessment, Alternative Technology, and Luddism. These three are examined in depth and their failings explained, in part, in terms of the concepts of causality embedded in their analyses and practice. In contrast to inadequate conceptions …
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Process Optimization and Cost Analysis of Electrochemical Micromachining for Volume Manufacturing
… comparisons of ECMM and micro-milling, an alternative technology for making micro channels. Our findings demonstrate that channels manufactured using ECMM have less variation in the total volume of material removed when compared to micro-milling. However, the cost of ECMM is currently …
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Investigation on different vertical aerated rock filter (vertical aerated rock filter) in removing phosphorus from domestic wastewater
… Rock filter (RF) has appeared as an alternative technology to remove phosphorus from wastewater. In response to this, the selection of media between steel slag and limestone for pilot scale filter has been investigated by receiving the same volumetric hydraulic loading rate and …
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Performance and energy efficiency of low irradiance antimicrobial violet-blue light for environmental decontamination applications
… violet-blue visible light has emerged as an alternative technology, due to its inherent safety at low irradiance levels, enabling its use for continuous decontamination of air and exposed surfaces within occupied settings. The research of this PhD generated new information pertaining to low …
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A new optimization uniformity for indoor visible light communication systems using optical attocells configuration
… the challenges facing the radio frequency (RF) technology. Therefore, an alternative technology called visible light communications (VLC) was adopted to overcome these challenges. This technology is expected to support 5G and beyond due to its high and free frequency offered, as well as robust …
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Engineered quantum dots for infrared photodetectors
… Plane Arrays (FPAs) have been proposed as an alternative technology for the 3rd generation FPAs. QDIPs are emerging as a competitive technology for infrared detection and imaging especially in the midwave infrared (MWIR) and longwave infrared (LWIR) regime. These detectors are based on …
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