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The aviation sector's contribution to global CO2 emissions requires the exploration of sustainable energy alternatives, with hydrogen emerging as a promising candidate. Despite their potential, hydrogen aircraft propulsion systems are not yet commercially viable, primarily due to technical challenges such as cavitation in hydrogen pumps. This study aims to analyse and optimise the design of hy
Genom intervjuer med användare visar den här studien hur geografiska tillgänglighetsmått bör utformas för att optimera funktionaliteten i olika kartbaserade webbapplikationer. Utgångspunkten har varit befintliga tillgänglighetsmått som ofta används idag. Kartbaserade webbapplikationer kan idag innehålla stora mängder geografiska data. Med hjälp av verktyg i applikationerna kan användare enkelt u
This paper examines the applicability of three licensing models, compulsory licensing, free licensing and FRAND licensing, to green technology patent pools. Given that green technologies are critical in addressing global environmental challenges and achieving the SDGs, they can be effective in balancing incentives for innovation with wider dissemination of technologies. This study evaluates ea
The purpose of this thesis is to study complex analysis, the Bergman space and Korenblum's conjecture. This is done in three parts. In the first part the proofs that the conjecture is true are studied, giving lower bounds of Korenblum's constant. The first proof is explained in detail, to make it as accessible as possible to more people. The main differences for a couple of later proofs th
The shape of a Belleville washer ring is optimized with the purpose of tailoring its mechanical response. The optimization is carried out using structural shape optimization with regards to large deformations. In order to accurately model boundaries, B-splines are utilized as they are closely related to the de facto-standard used in most of todays CAD systems. Furthermore, the structural analysis
A verdict in 2019 from the U.S Supreme Court that resulted in the withdrawal of the power of lower federal courts to judge in cases of partisan gerrymandering was a contested and debated one, both inside and outside the courtroom. Two different blocs out of the nine judges could be seen in the vote, one that voted for and one that voted against this decision, with the former bloc winning five to f
Syftet med uppsatsen har varit att beskriva vilka faktorer som varit av betydelse vid återhämtningen hos tio brukare med diagnosen schizofreni. Delsyftet med studien har varit att beskriva vilka faktorer som haft positiv respektive negativ betydelse för brukarnas återhämtningsprocess. En kvalitativ ansats användes för att uppnå resultatet. Resultatet pekar på fyra faktorer som viktiga för återhämtThe purpose of this paper has been to describe which factors that played a role in the recovery of ten patients with a schizophrenia diagnosis. A part of the purpose was to describe which factors that had a negative or positive bearing on the individuals’ recovery process. A qualitative approach was used to achieve the results. The results indicate four factors that were important for the recovery
Genom litteraturstudie och intervjuer undersöker uppsatsen kommunala metoder och möjligheter för ökad energieffektivitet i nya byggnader. Lunds kommun jämförs med Lomma, Växjö och Lidköpings kommun. Resultaten visar en stor bredd bland metoderna som används av kommunerna för kommunal respektive privat mark. Detaljplaner och bygglov har tillskrivits stor möjlighet att påverka energiprestandan hos eThrough literature review and interviews this report examines municipal practices and opportunities to improve energy efficiency in new buildings. Lund municipality is compared with Lomma, Växjö and Lidköping municipalities. The results show a wide range of methods used by municipalities for municipal and private land. Detailed development plans and building permits have been attributed great pote
Governmental employees in Sweden are bound by law to report to the Social Services if they suspect child maltreatment. Studies have found that pre-schoolteachers to a lesser extent report suspected child maltreatment than other agencies working with children. The aim of this study is to examine pre-schoolteachers’ view of the law governing teachers responsibility to report suspected child maltreat
In July of 2009 punitive measures were taken by the Swedish government in order to deal with the somewhat new phenomenon known as grooming. The law, called “contact with children for sexual purposes” requires that the adult perpetrator contacts a child, with the purpose of committing sexual offences at a future meeting with the child. Although the law was received with gratitude from many parts of
The participant who perhaps should have the greatest impact in problem: the planning process of a building are the ones who are going to use it – the users. It is those who will spend time in and take part of the building’s functionality and architecture. However, it is unclear to what extent the user has the opportunity to influence the planning of a building. Every new project needs a common goa
Today’s dementia care has demonstrated a widespread use of locking devices in the escape routes of the care units. Most commonly code locks. The locking devices are used to prevent wanderers from wandering away from de dementia unit and risk hurting themselves, disappear or even die. On the contrary, the locks themselves may endanger a safe escape in the case of fire as well as it is may violate t
The purpose of this study was to investigate the relationship between perceived stress, copingstrategies, mental health and attributions in the unemployment situation, to study which copingstrategies that could predict mental health and whether any gender differences existed. Participants were 157 unemployed in the south of Sweden. Results from a questionnaire showed significant correlations betwe
Electronic waste (e-waste) in modern society is a growing issue that creates risks by degrading natural resources, through the production of the electronic devices in question, but also at a later end-of-life stage when recycled irresponsibly; by harming individuals directly – those who partake in the recycling, but also indirectly when deadly toxins from recycling flow into water and soil sources
This study will try to determine the volatility of the stock returns of various financial institutions in Germany during the time period 1998-2007. The reasoning behind targeting Germany is that it is commonly known as one of the most stable and reliable economies in Europe, where Germany has been chosen as a representative case. The study employs a multifactor model, which incorporates interest r
The purpose of this study is to investigate, at the Stockholm Exchange during the period 1994 to 2006, whether certain quotations with particular characteristics can be said to produce positive abnormal returns relatively larger than others. We measure the initial return as well as the mid and long run abnormal returns for firms quoted on the Stockholm Exchange during 1994 and 2006 based on quotat
