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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 3 of 3 (0.051 seconds)Spelling suggestions: "subject:"ecoindicator"" "subject:"bioindicator""
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Sustainability and thermal aspects of polymer based laser sinteringSreenivasan, Rameshwar 16 February 2011 (has links)
Additive Manufacturing (AM) processes which include Selective Laser Sintering (SLS) have experienced tremendous growth and development since their introduction over 20 years ago. It becomes highly important at this stage to evaluate the sustainability of the process and refine it to reduce energy and material consumption. In this study, a sustainability analysis was performed on the SLS process with Nylon-12 using the Environmental and Resource Management Data (ERMD) known as
Eco-Indicators. The energy perspective alone was considered and a Total Energy Indicator (TEI) value was calculated using various parameters to quantify process sustainability: process productivity, energy consumption rate, etc.
Precise thermal control of selective laser sintering (SLS) is desirable for improving geometric accuracy, mechanical properties, and surface finish of parts produced. An experimental setup to monitor the temperature distribution was designed using Resistance Temperature Detectors (RTD) as a part of this study. Discrepancies in temperature profiles were investigated and recommendations were made to improve thermal characteristics of the SLS process. / text
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Posouzení životního cyklu (LCA) směsného komunálního odpadu v obci Frýdek-Místek / Life Cycle Assessment (LCA) of Mixed Municipal Waste Collected in Frýdek-MístekHamšíková, Renata January 2009 (has links)
Diploma graduation thesis deals with analytical tool called Life Cycle Assessment (LCA). Paper explains this analytic tool and focuses on its possible application in municipal decision-making process. Thesis carries out specific application of Life Cycle Assessment (LCA) targeted towards disposal of mixed municipal waste collected from Frýdek-Místek city. Municipal waste management issues are mentioned in relation with Frýdek-Místek and year 2007. The aim is to analyze nowadays landfilling of mixed municipal waste done in Frýdek-Místek and to examine the possibility of incineration of mixed municipal waste in order to reach minimal total environmental impacts. The paper offers improvement suggestions based on extensive LCA study.
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L'application de l'analyse de cycle de vie simplifiée à la pratique du design industriel pour la conception de produits ou services à moindre impact environnementalLeclerc, Alexandre January 2004 (has links)
Mémoire numérisé par la Direction des bibliothèques de l'Université de Montréal.
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