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To predict the service life of a structure, a model where the exposure of a structure is compared to its resistance can be used. Which exposure and resistance parameters that are relevant depend on which materials the structure consist of. This approach, with an exposure and a resistance parameter, is similar to the one used in structural engineering where a load (exposure) is compared to the bear
Extremely large filled-aperture ground-based optical-IR telescopes, or ELTs, ranging from 20 to 100m in diameter, are now being proposed. The all-important choice of the aperture must clearly be driven by the potential science offered. We here highlight science goals from the Leiden Workshop in May 2001 suggesting that for certain critical observations the largest possible aperture - assumed to be
A classical solution for matching two image patches is to use the cross-correlation coefficient. This works well if there is a lot of structure within the patches, but not so well if the patches are close to uniform. This means that some patches are matched with more confidence than others. By estimating this uncertainty more weight can be put on the confident matches than those that are more unce
When the time structure (chronome) of pancreatic secretion was studied after weaning in 5-week-old pigs, the zero-amplitude (no-rhythm) assumption was rejected for the about-weekly (circaseptan, CS) and about-half-weekly (circasemiseptan, CSS) chronome components. When the data were assessed individually on a day-to-day basis, a 24-hour component was suggested (P<.10) for the variables measured in
Popular Abstract in Swedish Mjölk värmebehandlas för att döda eventuella bakterier och för att förlänga hållbarheten på produkten. Samtidigt som eventuella bakterier förstörs av värmen så sker även andra reaktioner i mjölken. Proteiner förlorar sin naturliga struktur och börjar sätta ihop sig i olika aggregat och formationer som sedan kan fastna på den värmande ytan. Tillsammans med proteinerna faFouling is the deposit of proteins and minerals formed on equipment surfaces during the heat treatment of dairy products. The concentrations of the components and the structure of the fouling reflect the processing conditions used. The use of a higher processing temperature, e.g., ultra-high temperature (UHT) treatment, promotes a mineral-rich fouling. The fouling layer decreases the transfer of h
This work is the first comprehensive description of Makalero, a language spoken by approximately 6,500 speakers in the Iliomar subdistrict, in the south-east of the Republic of East Timor. While previous sources considered it to be a dialect of the larger language Makasae, the present study, which is based on primary data gathered by the author during fieldwork in East Timor, notes sufficient gram
This project, aimed to the digital documentation of archaeological sites, artifacts and cultural relics of the Western Han Dynasty, started in 2008. The anticipated outcome will be the creation of a virtual museum, based on collaborative environments, dedicated to the Western Han Dynasty and able to integrate new archaeological datasets coming from fieldwork activities (most part of them unpublish
This paper is based on the findings of a research work by Abukhader and Jönson (2004a), who discuss the possibilities and limitations of the ties of postponement strategy in food supply chains. They identified the cases/examples (i.e. company cases) of application of postponement across the various categories of foods: frozen, chilled/fresh and long shelf life. The food industry nowadays is in nee
With a novel path index design, called the Shortcut Index, we partially solve the problem of executing traversal queries on dense neighborhoods in a graph database. We implement our design on top of the graph database Neo4j but it could be used for any graph database that uses the labeled property graph model. By using a B+ tree, the Shortcut Index can achieve what we call neighborhood locality a
Denna uppsats analyserar och jämför legal reglering av motorfordons ansvar vid uppkommen skada i Sverige och Norge, med fokus på rekvisiten ”skada i följd av trafik” i Sverige respektive skade som motorvogn gjer i Norge. Dessa rekvisit är de som definierar omfånget av fordons ansvar vid uppkommen skada och därmed de skador som ska ersättas av fordonets trafikförsäkring. Uppsatsen visar att syftThis essay analyzes and compares the legal regulation of motor liability insurance in Sweden and Norway with emphasis on the primary legal requirements for the Laws to apply, namely “skada till följd av trafik” (damage as a result of motor vehicle traffic) in Sweden and “skade som motorvogn gjer” (damage caused by motor vehicle) in Norway. These are the primary requirements that define the scope
Software development for embedded systems has a lot of dependencies on the hardware of the system. To possibly reduce the lead time and ease the development process, an emulated model is investigated. This model is examined in terms of how it fits in the platform transition, daily development and testing processes at Axis. The results indicate that an emulated model is a powerful tool for a softwa
Avancerade 3D skrivare är en etablerad teknologi och används inom många olika områden. Nu finns det möjligheter att 3D printa hus, proteser och även viss mat kan 3D printas. Detta visar att denna typ av 3D teknologi har en oerhörd bredd och potential. På senare tid har enklare 3D skrivare utvecklats för kommersiellt bruk. Detta har gjort att teknologin blivit mer lättillgänglig för allmänheten ochIntroduction: Today, 3D printing is a versatile tool used in a wide range of fields. With the advent of more cost-effective fused deposition modelling (FDM) 3D printing technologies it is time to investi- gate what such a 3D printer has to offer in radiation science applications. This master thesis will inves- tigate if there is a possibility to use a FDM 3D printer to construct an optically stimu
Syfte & mål: Studiens syfte är att undersöka vilka utmaningar byggsektorn står inför nu när klimatdeklaration blivit lag. Hur stor omställning har klimatdeklarationen orsakat byggsektorn och vad krävs av de arbetsroller som är involverade i framställningen av en klimatdeklaration. Vilka incitament har byggherren vid dagsläget att bygga klimatsmart utan gränsvärden från lagkravet. ProblemstäAim & goal: The purpose of the study is to investigate what challenges the construction sector is facing now that the climate declaration has become law. How much change has the climate declaration caused the construction sector and what is required of the work roles involved in the production of a climate declaration. What incentives does the developer currently have to build climate-smart wi
A 3G mobile phone must have the ability to control its output power with high precision. A power detector is used to measure the actual power outputted by the power amplifier to the antenna. With higher data rates the traditional implementations with peak detectors have become very difficult to use, which is why true RMS detectors are needed. In this thesis the digital part of a true RMS detector
The aim of this master thesis is to investigate a new control principal for Haldex Limited Slip Coupling. HLSC can be characterized as a hydraulic slip coupling intended to be part of a 4WD-system for passenger vehicles fitted between the front and rear axle. The investigation is to be both theoretical and practical. The current system can be described with the three following functional blocks: <
This master thesis project has been performed in cooperation with TAC, a building automation company in Malmö and the Department of Automatic Control at LTH. TAC has experienced problems for some time with their PID controllers. This master thesis has therefore investigated the use of PID control at TAC, the problems with the existing controllers. The thesis also describes a new PID controller tha
In Senegal, rice plays a crucial role in combating food insecurity since it is one of the most consumed staple crops. Despite this, national rice-production is insufficient in relation to the domestic demand, making Senegal one of West Africa’s most import-dependent countries in rice. To combat this issue, the Senegalese government aim to reach national self-sufficiency in rice production, primari
The aim of this thesis is to widen the research field of archival law in relation to the new technological opportunities that have been created regarding personal information such as DNA. This is done by the study of the three most influential and popular biotechnical companies that are currently offering their services in Sweden. The material used to achieve this aim is GDPR and the privacy state
Under de senaste decennierna har friformsframställning, även benämt som 3D-utskrift, utvecklats snabbt inom både industri- och hobbyområdet. När nya applikationer upptäcks måste både material och metoder undersökas och utvecklas i samma takt för att inte hämma den kreativitet som 3D-utskrift framkallar. Materialet som vanligast används i 3D-skrivare är i filamentform, vilket produceras i storskaliFor the last decades, the subject of Additive manufacturing, also known as 3D-printing, has been rapidly developing in both the industrial and recreational fields. As new applications are discovered, materials and methods have to be researched and developed at the same pace to not stunt the creativity that 3D-printing brings out. The material most commonly used in 3D-printers are in a filament for
