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Showing result 1 - 5 of 132 essays matching the above criteria.

1. 1. Morphological study of PS/PMMA-matrix on glass, related to vapour pressure, mass-fraction, and size

   University essay from Karlstads universitet/Institutionen för ingenjörs- och kemivetenskaper (from 2013)

   Author : Gustav Larsson; [2023]
   Keywords : organic solar cells; polymer; morphology; film; AFM;

   Abstract : The objective of this study is to observe how changing amount or ratio between dried mixes of poly-methyl-methacrylate and poly-styrene change the surface appearance, and how the results might inform future design of Organic photovoltaic cells, whom are based on polymer mixtures and heavenly dependent on the arrangement of polymers. An atomic force microscope was used on glass surfaces coated in a poly-methyl-methacrylate/poly-styrene matrix and dried from either dichloromethane or ethyl-acetate to determine surface appearance. READ MORE

3. 2. Life is like a Boxx : How do film production sites affect wireless transmission?

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Malin Hall; [2023]
   Keywords : Boxx Atom; wireless transmission; radio shadows; video quality; link budget; signal attenuation; Boxx Atom; trådlös överföring; radioskugga; video kvalitet; länkbudget; signaldämpningg;

   Abstract : Wireless transmission is an everyday part of movie production and a tool many people use in their work. Work, on a movie production, is fast, intense, and varies in geographical location almost on a daily basis (sometimes several locations in a day). Despite this, the stream, the transmission, must hold so the crew can work. READ MORE

4. 3. Development of a waste sorting system in Morrumbene, Mozambique : Exploring how to engage a community in waste sorting

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : Julia Ramm; Jenny Sjöstrand; [2023]
   Keywords : ;

   Abstract : This abstract presents a Master’s Thesis in Industrial Design Engineering conducted on behalf of Project Vita, a non-profit organisation working in Morrumbene, Mozambique. The aim of the project was to develop an implementable waste sorting system that would align with the customs of the community and serve as a foundation for a more advanced solid waste management system. READ MORE

5. 4. Spin-Glass Behaviour in Ordered Solids

   University essay from Uppsala universitet/Materialteori

   Author : Erik Karpelin; [2023]
   Keywords : spin-glass; self-induced; variation; Edwards-Andersson; glassy;

   Abstract : The spin-glass is a peculiar magnetic phase, exhibiting non-trivial dynamics at low temperatures, characterized by an continuously evolving state without long-range order. The behavior requires some degree of disorder to occur, often in the way of impurities or random exchange energy between the spins. READ MORE

6. 5. Evaluation of a computational method for natural fiber-reinforced plastics

   University essay from KTH/Hållfasthetslära

   Author : Anna Lim; [2023]
   Keywords : PPNF; Composite material; fiber orientation; natural fiber; coupled analysis; PPNF; Kompositmaterial; fiberorientering; naturfiber; kopplad analys;

   Abstract : The importance of using natural fiber composites (NFCs) has been addressed as a substitution for synthetic fibers, such as glass and carbon fibers. This substitution contributes significantly to reducing greenhouse gas emissions, aligning with the environmental responsibilities of engineering industries. READ MORE