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This thesis has been carried out to investigate a few areas concerning electric and hybrid electric powered land vehicles. The main objective has been to analyze the efficiency of such power trains to compare them with canonical combustion engines, both in a tank-to-wheels basis and a well-to-wheels basis. One of the question formulations is if an electric or plug-in hybrid electric vehicle charge
Hur kommer det sig att det finns kalkmålningar av labyrinter i medeltida skandinaviska kyrkor? För att försöka hitta ett svar har jag undersökt kalkmålningar av labyrinter i tre medeltida kyrkor, Östra Karup (Halland), Båstad (Skåne) och Gevninge (Själland). Vilka föreställningar om labyrinter som kan ligga till grund för valet av motiv i kyrkorna har undersökts genom jämförelse med labyrinter i aHow come there are church frescoes depicting labyrinths in medieval Scandinavian churches? Which concepts and associations gave rise to the choice of motif? In order to try to find an answer I have investigated church frescoes in three medieval churches: Östra Karup (in the province of Halland), Båstad (Scania), and Gevninge (Zealand). I have also compared these with the large number of stone laby
År 2006 trädde datalagringsdirektivet i kraft med två terrorattentat i Europa i bagaget. Syftet var att harmonisera medlemsstaternas lagstiftning gällande lagring av trafikuppgifter samt förenkla förebyggande och utredande av allvarlig brottslighet. De uppgifter som teleoperatörerna skulle lagra rörde vem som kommunicerade med vem, när och var det skedde samt vilken typ av kommunikation som användIn 2006, following the two terror attacks in Europe; the European Council adopted the Data Retention Directive. There were two primary reasons behind the legislation; most importantly to simplify the prevention and investigation of serious crimes in the union, but also to harmonise the legislation surrounding retention of data among the Member States. The directive obligated telecommunications ope
Förr i tiden existerade närmare 90 % fler våtmarker på Öland än vad som finns idag. Innan ut-dikningen hade ägt rum fungerade Ölands strandvallar som en barriär för vattnet så det förhindrades att strömma ut mot Östersjön. I huvudsak lutar topografin på Öland österut vilket bidrar till att vattnet automatiskt transporteras från väst mot öst. Genom att dika ut och ta bort delar av de naturliga hindIn the past the need to enhance land use for agricultural purposes resulted in ditching of land and existing beach deposits to reduce wetlands. The ditching resulted in a 90% decrease of wetlands on Öland together with a decrease in groundwater. Before the drainage had started the beach deposits on Öland worked as a barrier that pre-vented the water to run off towards the Baltic Sea. The topograph
Today, Sweden is in an upgrade period between the two train control systems. Today’s system has soon reached the end of its lifecycle period and therefore need to be replaced. Meanwhile, decisions within the EU have been taken to improve interoperability between European countries. The solution will be an international control system replacing the different national train control and command syste
Water damages have been an expensive problem for Swedish house owners for many decades and costs society billions of Swedish kronor every year. In an attempt to reduce the number of water damages, and the severe consequences there off, a project called VASKA was launched in Umeå in 1987. In the neighbourhood of Ersmark there were 24 houses built, all following the list of requirements set by VASKA
This essay explores the ethical dilemma surrounding the construction of green mines on indigenous lands and seeks to determine whether such actions can be justified. The aim is to show that a prioritisation between two seemingly good things is not always a given. Using a normative study framework, the research investigates a conflict of value between different interpretations of the value of the G
Platser som har bevittnat några av historiens mest fruktansvärda händelser har blivit stora turistattraktioner, besökta av miljontals människor. Detta fenomen har populariserats under termen "Dark Tourism". Men hur behandlas egentligen det mörka arvet på dessa platser? Hur väljer de olika aktörerna att bruka, eller icke-bruka, sin tragiska historia för att sälja biljetter? Denna studie u
Titel: ”Kød og kreativitet” – visioner och verklighet: En studie om plats i skärningspunkten mellan mening, materialitet och människor Universitet: Lunds Universitet, Institutionen för Service Management och tjänstevetenskap Kurs: KSMK65 - Service Management: Examensarbete för kandidatexamen. Våren 2019 Författare: Daniela Ross & Isabella Lindkvist Jensen Handledare: Elisabeth Högdahl NyckelorThe aim of this study is to discuss how visions about places influence the physical place-development, and how people’s ability to inhabit and make use of space is affected as a consequence. A case study of Kødbyen, Copenhagen’s Meat Packing District, was carried out to research this. Research questions relate to how these place-making processes can be understood in terms of power, where some peop
Pollinating insects are declining due to several threats, one being a loss of flower resources because of a change of land use. With rural agricultural areas becoming more homogenous, urban areas might provide refuge for pollinating insects. The main aim of this study was to investigate how the trees in the city of Malmö, Sweden, contribute with food resources, i.e. nectar and pollen, both spatial
The subject of diophantine approximation is a classical mathematic problem, as old as it is well studied. There are many different texts describing its connection to more modern areas of study, but few which do so with the aim of exploring the connections themselves. This paper aims to serve as an introduction to diophantine approximation, and to expose some properties common between two dynamical
The notion of “visual framing” has become more sophisticated in the contemporary social media environment and has demonstrated its interrelation with public relations and strategic communication. Past researchers approached visual framing topics from the contents of the resulting frames themselves, ignoring the visual framing constructing processes of one of the frame constructors: public relation
The building sector is the largest contributor to greenhouse gas (GHG) emissions, primarily due to two factors: the embodied energy of construction materials and the operational energy consumed over a building’s lifespan. Given this substantial environmental impact, sustainability and climate resilience have become critical priorities in global policy frameworks. Addressing this challenge requires
Phase-noise (PN) estimation and compensation are crucial in millimeter-wave (mmWave) communication systems to achieve high reliability. The PN estimation, however, suffers from high computational complexity due to its fundamental characteristics, such as spectral spreading and fast-varying fluctuations. In this paper, we propose a new framework for low-complexity PN compensation in orthogonal freq
Allergic rhinitis is a predisposing factor for developing clinical asthma. Moreover, allergic rhinitis is often associated with bronchial hyperresponsiveness (BHR). We hypothesise that patients with asthma have more small airway involvement than those with allergic rhinitis and BHR alone. The aim of this study was to assess peripheral and proximal NO concentration in rhinitic subjects, and to corr
A global approach coupling the moderator to the beam extraction system has been applied for the design optimization of the thermal and cold moderators of the European Spallation Source (ESS), which will be the brightest neutron source in the world for condensed-matter studies. The design is based on the recently developed high-brightness low-dimensional moderator concepts. Para-hydrogen is used fo
Background: Comprehensive geriatric assessment (CGA) represent an important component of geriatric acute hospital care for frail older people, secured by a multidisciplinary team who addresses the multiple needs of physical health, functional ability, psychological state, cognition and social status. The primary objective of the pilot study was to determine feasibility for recruitment and retentio
