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The master’s thesis was performed in collaboration with the department responsible for the driver vehicle interaction at Scania CV AB. The interaction between the driver and the vehicle contributes to the usability and overall experience of the product as well as to safety. In order to create a good interaction it is important to evaluate it. The purpose of the thesis work was therefore to develop
Genom att utvärdera Skochparametern och skapa tre konceptkompressorer har examensarbetet försökt komma till en slutsats om hur bladens längdförhållande påverkar en kompressors verkningsgrad och stabilitet. Skochparametern visade sig fungera mindre bra som ett verktyg och det visade sig att ett lägre längdförhållande innebar en liten minsking i verkningsgrad, men en betydande ökning i stabilitet. The design of an axial compressor is mainly the trade-off between efficiency, stability and cost. A parameter that affects all of these three aspects is the blade aspect ratio. Due to the intricacy and complexity of the flow in a compressor, solely the effect of the blade aspect ratio variation is difficult to obtain. A parameter that supposedly is a gauge of the combined airfoil and end wall loa
Huntington’s disease is a hereditary neurodegenerative disease caused by an expansion of CAG repeats in the huntingtin (HTT) gene. HD is fully penetrant around 40 CAG repeats and is characterized by motor impairments, psychiatric disturbances and cognitive deterioration. Unintended weight loss is also a clinical feature of HD, leading to reduced morality and a decline in quality of life in HD pati
This paper examines the effect that aid and foreign direct investment have on poverty by assessing both their separate and interactive effects. We used a Generalized Method of Moments to analyse 107 countries during the time period 1987-2014 and measured the effects of aid and foreign direct investment as growth of inflow per capita. Our result indicates that separately growth in aid and in foreig
En bättre förståelse över ytproteiner på dendritiska subtyper Av Zackarias Söderlund Immunförsvaret ska se till att kroppen dödar inkräktare såsom virus och bakterier men även kroppens egna celler som omvandlats till tumörceller. Dendritiska celler har en viktig roll i detta då de ständigt skannar sin omgivning och instruerar resten av immunförsvaret om påträffande organismer/celler ska tolereraThe development of vaccines against tumours are gaining increased attraction and one strategy to increase the efficiency of these vaccines is to target the antigen or drug to cell surface receptors on dendritic cells (DC), such as the C-type lectin receptors (CLR). To this end, knowledge of the expression levels of CLR on DC subsets is important and it has been studied in different tissues and blo
Plastic production is only increasing, and it‟s not showing any signs of slowing down. Microplastics are particles smaller than 5 mm, either produced intentionally, or created from items being withered into small particles. Microplastic contamination in marine environments is higher closer to cities, and most of the plastic litter eventually ends up in the oceans. Microplastics have been found in Plastic production is only increasing, and it‟s not showing any signs of slowing down. Microplastics are particles smaller than 5 mm, either produced intentionally, or created from items being withered into small particles. Microplastic contamination in marine environments is higher closer to cities, and most of the plastic litter eventually ends up in the oceans. Microplastics have been found in
Svanödlor (plesiosaurier) är en utdöd grupp marina reptiler med en global utbredning. I magregionen hos vissa svanödleskelett förekommer stenar. Syftet med denna rapport är att undersöka från vilken miljö svanödlor hämtade magstenar (gastroliter) och vilken funktion de senare hade. Materialet utgörs av 22 stenar som förmodas komma från en svanödla insamlade från sediment tillhörande den lokala BelPlesiosaurs are an extinct group of marine reptiles with a global distribution. During the Late Cretaceous they inhabited the Kristianstad Basin in northeastern Skåne, which at the time was part of a large-scale archipelago with numerous small islands and peninsulas. Stones have been found in the stomach region of many plesiosaur skeletons but their function is as yet poorly understood. The aim of
Förekomsten av plast i marina miljöer har under de senaste decennierna varit ett känt globalt problem. Flera nedbrytningsprocesser inverkar på plastavfallet, vilket orsakar fragmentering ned till fragment mindre än fem millimeter i storlek – kallade mikroplaster. Målet för denna studie är att öka förståelsen om mikroplaster i marina miljöer där följande frågeställningar bemöttes: Hur stor utbredniThe abundance of plastic in marine environments has been a well-known global problem for the past decades. Multiple degrading processes effect plastic debris, causing fragmentation down to particle sizes smaller than five millimeters – named microplastics. The aim for this study is to extend the knowledge of microplastics in the marine environment by addressing the following questions: How wide-sp
Bekämpningsmedel i akvatiska miljöer, skydd av Skånes dricksvatten genom vattenskyddsområden och möjligheter till förbättring! Ungefär 40 % av Skåne utgörs av åkermark och nationellt sett är användningen av bekämpningsmedel som mest intensiv i denna region. En risk associerad med detta är spridningen av bekämpningsmedel från åkermark till akvatiska miljöer. För stärkt vattenskydd är det viktigt Skåne is the region in Sweden where the application of pesticides is the most intense and around 40 % of the region consists of agricultural land. Studies show the occurrence of pesticides in Skåne’s aquatic environments. One way of protecting drinking water is by implementing water protection areas (WPAs), where risky activities can be restricted or prohibited. The aim of this study was to evalua
EU:s reviderade förnybarhetsdirektiv (RED II) – potential att effektivisera den svenska tillståndsprocessen för vindkraft Vindkraften har stora möjligheter att bidra med en del av lösningen till vår tids största utmaning: klimatförändringen. Vindkraftens utbyggnad och utbredning är dock en fråga som i Sverige är förenad med komplexa avvägningar mellan olika, ofta motstående, intressen. TillståndIn Sweden, wind has been recognized as a necessary power source to fight climate change. But the expansion of wind power is associated with conflicting interests. The permit process to build and operate wind power plants is often described as inefficient and complex, with long lead times. This study investigates possibilities for how the Swedish permit process for wind power can be streamlined.
Background: Under a background of increasingly competitive environment in global sourcing e-tailing industry, companies have an urgent need to improve the performance and obtain more profits. However, there is a lack of research specially conducted for the companies under development. Thereby, it triggers a necessity of researching specific strategies from those companies’ perspective, to have a b
Spx or why bacteria don’t suffer from burnout Bacteria also suffer from stress. In general, any fluctuation in the environment of bacteria can cause stress on them. For instance, too hot or too cold temperature, or changes in the pH. In order to survive, they need mechanisms to cope with it. Most of these mechanisms involve proteins, which can be seen as tools that respond to stress. In the bac
Heart disease is one of the worldwide leading causes of death, and facilitating the work of physicians in this area is therefore of great importance. Imaging of the heart is one of many fields that is used for diagnosis and analysis of cardiac disease. Within this field, Magnetic Resonance Imaging (MRI) is a non-invasive technique that allows for acquisition of high quality images. Blood flow th
The purpose of this qualitative study is to capture professional employee’s thoughts and reflections concerning domestic violence among elderly people. It is important to highlight the opinions of professionals working with elderly to better understand the phenomena and how to work with it. The data was collected through qualitative semi-structured interviews. The study was based on eight intervie
Den 30 mars 2017 presenterade Finansdepartementet Vissa frågor inom fastighets- och stämpelskatteområdet (SOU 2017:27), även kallat paketeringsutredningen. Förslagen som utredningen presenterade innebär bland annat att transaktioner med paketerade fastigheter ska beskattas symmetriskt med lagfartsöverlåtelser, till skillnad från nuläget då de kan ske skattefritt genom försäljning av näringsbetingaOn March 30th 2017 the special appointed committee from the Swedish Treasury Department presented Vissa frågor inom fastighets- och stämpelskatteområdet (SOU 2017:27), also known as “paketeringsutredningen”. Suggestions from the public investigation include among other things amendments stating that transactions of incorporated real estate should be taxed symmetrically with traditionally transacti
The aim of this study was to investigate school counselors perspective and their view of the concept honour-related violence and oppression. We have explored how school counselors perspective are taken into consideration when they define the students who live under honour-related violence and oppression. Furthermore the study also aims to describe the school counselors comprehension on their work
Title: Direct Material Safety Stock Standard Authors: Oscar Gustavsson, Oskar Strömberg Supervisors: Gustaf Lilja, IKEA Industry Eva Berg, Division of Industrial management and logistics, Lund University Contribution: This thesis has been a complete elaboration between the two authors. Each author has been involved in every part of the process. Background: In a time when everything is available at
After the Fukushima accident in 2011, Sweden and Germany acted differently. Sweden stressed its nuclear power plant while Germany made a complete turn and decided on a nuclear power settlement by 2022. It raises questions why Germany and Sweden acted differently after the Fukushima accident. The purpose of this thesis is to analyze why a political decision was taken on a nuclear power phase out in
The aim of this study was to investigate what engages social workers working with social assistance and how this commitment is expressed in their everyday work. Furthermore, the focus of the study was to investigate whether conflict arises when commitment is practised in the context of organizational conditions and political structures in society. Our target group consisted of five social workers
