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 221 for “"Maintenance costs"”.
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Managing maintenance costs of pharmaceutical research and development
… there is significant interest in managing their maintenance. The concern is that downtime is hampering the efforts of drug discovery. This project has sought to reduce that downtime and manage maintenance costs by working with the Technical Operations Group, Novartis' in-house maintenance team. …
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A cross-sectional multivariate analysis of the determinants of maintenance costs in Boston's public housing
Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning, 1988.
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The impact of software design structure on product maintenance costs and measurement of economic benefits of product redesign
… code modification in the context of a corrective maintenance task. First, this paper reviews the current state of the art in engineering economics of the maintenance phase of software lifecycle. Secondly, a measure of software product complexity suitable to assess maintainability of a software …
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Autonomic Product Development Process Automation
… processes requires significant software maintenance costs due to the incompatibility of the software tools and the dynamic nature of the product development environment. Current automation methods do not provide the required level of flexibility to operate in this dynamic environment. An …
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Review of Membrane-Based Brackish Groundwater Desalination and Pretreatment in the United States
… can increase its efficiency and decrease total costs by increasing its recovery ratio and decreasing membrane maintenance costs. If left untreated, these scalants accumulate on the membranes and require costly removal treatment techniques. Pretreatment requirements vary with feedwater …
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Cost responsibility study for Virginia interstate and arterial highways
… different classes of vehicles on each route, the maintenance costs (general and replacement) arisen from the use of each route by different classes of vehicles, and the revenues (fuels tax and registration fee) contributed by each class of vehicles on each route. Then, the expected revenues were …
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A Survey of the Relative Merits of All-Weather Tracks and Traditional Tracks
… to be considered are: (1) installation and maintenance costs; (2) need for repairs and projected life; (3) utilization of the track; (4) satisfaction with track surface; and (5) evaluation of tracks.
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Mechanism Design Theory for Service Contracts
… a novel approach for designing and optimizing maintenance service contracts through the application of mechanism design theory. When offering a contract to its customer, the maintenance service provider seeks to specify contract terms - such as price, service features and incentives - that …
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Application of the Analytic Hierarchy Process Optimization Algorithm in Best Management Practice Selection
… cost exist, but there are long-term maintenance costs associated with almost any BMP. Much like pollutant removal efficiency, implementation and maintenance costs seem as though they should be integral considerations in the BMP selection process. However, selection flow charts and …
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A methodology for integrating maintainability into large-scale software using software metrics
… life cycle as possible to avoid overwhelming maintenance costs at later stages. This research describes a methodology which assists in the development of maintainable systems and does so without disrupting industry standard development techniques. The process uses software metrics and …
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Life cycle cost modelling as an aircraft design decision support tool
… models are described.<br/>The acquisition costs are estimated using a hierarchical structure and a discrete simulation model is used to estimate the maintenance and operation costs. The acquisition cost model uses an object oriented approach with libraries of materials and processes …
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Application of electrical resistance tomography in evaluating the influence of nozzle design on the gas hold-up in boiling bubble column reactors
… and mass transfer coupled with low operating and maintenance costs. The complex hydrodynamics brought about by the multiphase nature of such systems offer significant challenges in modelling, analysis and operation, thus making experimental measurement of system response of special importance. One …
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Integrated Workload Allocation and Condition-based Maintenance Threshold Optimisation
… management is considered key to reducing total costs of asset ownership while enhancing machine availability, guaranteeing security, and increasing productivity. Amongst all the activities involved in asset management, maintenance has been one of the major focus areas of academic research due to …
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An evaluation of lime residuals management alternatives for water utilities
… recalcination has the highest capital costs due to the need to purchase a rotary kiln. Cement manufacturing has the highest operations and maintenance costs, and recalcination presents a net savings in operations and maintenance costs due to the chemical savings associated with reduced …
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A Service Late Binding Enabled Solution for Data Integration from Autonomous and Evolving Databases
… integrate participating databases may cause high maintenance costs when evolution occurs. Thus a new solution which can handle database evolution with lower maintenance effort is required. This thesis presents a new solution: Service Late binding Enabled Data Integration (SLEDI) which is set into …
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Co-processor offloading applied to passive coherent location with Doppler and bearing data
… in relatively low procurement, operation and maintenance costs. This is of particular advantage for airports in third world countries, many of which do not have radar assisted air traffic control.
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Potential business models for recharging infrastructure and their implications for plug-In electric vehicle adoption
… are more efficient, have lower operating and maintenance costs, and emit fewer local air pollutants than conventional internal combustion engine vehicles. Despite these advantages, the customer adoption of plug-in electric vehicles has been slow due to their high purchase costs, limited …
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Component Integration Metrics and Their Evaluation
… has led to poorly designed products with high maintenance costs and whose behavior becomes unpredictable. Component Based Software Engineering (CBSE) is currently a preferred approach to system design to overcome the crisis of SE, since it promotes software re-use, facilitates adaptability and …
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Commonality of ground systems in launch operations
… upfront development and long-term operations and maintenance costs, success in real, large-scale engineering systems used to support launch operations is relatively unknown. A broad literature review conducted for this paper did not yield a single paper specifically addressing the application of …
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