678 resultados para Saarinen, Mikael


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This essay examines the persuasive side of music and its affect on consumer behavior when utilized in television commercials. It includes an interpretation of twelve study cases, in which three groups of four people is presented the same commercial, with different music being the only item dividing the groups. This is followed by a few questions about the product. The aim is then to see how the answers differ from one group to another, and how they match the music’s presupposed connotations suggested in the theory part of the essay, thus, observing the communicative, and eventually persuasive, power of music in television commercials. The main question is: how might music utilized in a television commercial power people’s opinions about the product in that commercial. The results show how music may alter people’s opinions about the product in the commercial, and that the interviewees’ opinions, in most cases, match the music’s presupposed connotations. The study’s results confirm what was previously found by Adolfsson in 2007. By comparing results from then and now it adds to the understanding of musical meaning in everyday life.

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Denna systematiska litteraturstudie syftade till att beskriva och kartlägga humorns betydelse i omvårdnadsarbetet med inriktning på humorns påverkan på patientens välbefinnande, sjuksköterskans kommunikation med patienter och närstående samt sjuksköterskans psykosociala arbetsmiljö. Tjugo vetenskapliga artiklar, vilka sökts huvudsakligen via fulltextbasen Electronic Library Information Navigator (ELIN), valdes ut utifrån titel, abstrakt och genomläsning, varefter de kvalitetsgranskades och genomgick textanalys utmynnande i sex temata. Dessa evidensgraderades utifrån artiklarnas kvalitet. Resultatet visade att humor upplevdes ha betydelse i omvårdnadsarbetet både för patient och sjuksköterska genom att göra det lättare att hantera känslor, bygga upp en positiv självbild och att bevara värdigheten. Humorn är ett verktyg i bemästring av sjukdom och hälsoproblem samt viktig för en god kommunikation mellan såväl sjuksköterska och patient som mellan vårdpersonal. Humorn upplevs vara en betydelsefull faktor för ett gott lagarbete samt en moderator för hierarkiska spänningar mellan yrkesgrupper och patienter-vårdpersonal. Som omvårdnadsteoretisk referensram valdes Joyce Travelbees teori om den mellanmänskliga kommunikationen där humor visade sig vara ett viktigt redskap. Studien ökar läsarens förståelse av humorns betydelse för patient, närstående och personal i omvårdnaden likaväl som för kommunikationen mellan berörda parter, med särskild tonvikt på sjuksköterskans profession.

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Examensarbetet undersöker vilken stereoteknik som uppfattas ge den mest verklighetstrogna återgivningen av konstmusik samt om valet av stereoteknik påverkas av ljudteknisk eller konstmusikalisk bakgrund. Undersökningen gjordes i form av ett lyssningstest där deltagare i tre grupper fick, efter att ha lyssnat till en konstmusikalisk ensemble live i en konsertlokal, lyssna till tio olika inspelningar av samma stycke vars enda skillnad var vilken stereoteknik som använts vid inspelningen. Deltagarna ombads att gradera hur väl inspelningarna speglade verkligheten samt rangordna dem efter vilka de ansåg låta bäst oavsett hur trogna verkligheten de var.Studiens resultat visar på att konstmusikalisk och ljudteknisk bakgrund påverkar valet av vilken stereoteknik man föredrar och vilken man tycker låter mest likt den verkliga upplevelsen av musiken live. Av resultatet kan man också utläsa att personer inte konsekvent anser att de inspelningar som låter mest verklighetstroget är den man anser låter bäst.

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Stainless steels are well known to be prone to cold welding and material transfer in sliding contacts and therefore difficult to cold form unless certain precautions as discussed in this paper are taken. In the present study different combinations of tool steels/stainless steels/lubricants has been evaluated with respect to their galling resistance using pin-on-disc testing. The results show that a high galling resistance is favored by a high stainless steel sheet hardness and a blasted stainless steel sheet surface topography. The effect of type of lubricant was found to be more complex. For example, the chlorinated lubricants failed to prevent metal-to-metal contact on a brushed sheet surface but succeeded on a blasted sheet surface of the same stainless steel material. This is believed to be due to a protective tribofilm which is able to form on the blasted surface, but not on the brushed surface.

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Two simulative test methods were used to study galling in sheet forming of two types of stainlesssteel sheet: austenitic (EN 1.4301) and lean duplex LDX 2101 (EN 1.4162) in different surface conditions. Thepin-on-disc test was used to analyse the galling resistance of different combinations of sheet materials and lubricants. The strip reduction test, a severe sheet forming tribology test was used to simulate the conditionsduring ironing. This investigation shows that the risk of galling is highly dependent on the surface texture of theduplex steel. Trials were also performed in an industrial tool used for high volume production of pumpcomponents, to compare forming of LDX 2101 and austenitic stainless steel with equal thickness. The forming forces, the geometry and the strains in the sheet material were compared for the same component.It was found that LDX steels can be formed to high strain levels in tools normally applied for forming ofaustenitic steels, but tool adaptations are needed to comply with the higher strength and springback of thematerial.

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Cemented carbide is today the most frequently used drawing die material in steel wire drawing applications. This is mainly due to the possibility to obtain a broad combination of hardness and toughness thus meeting the requirements concerning strength, crack resistance and wear resistance set by the wire drawing process. However, the increasing cost of cemented carbide in combination with the possibility to increase the wear resistance of steel through the deposition of wear resistant CVD and PVD coatings have enhanced the interest to replace cemented carbide drawing dies with CVD and PVD coated steel wire drawing dies. In the present study, the possibility to replace cemented carbide wire drawing dies with CVD and PVD coated steel drawing dies have been investigated by tribological characterisation, i.e. pin-on-disc and scratch testing, in combination with post-test observations of the tribo surfaces using scanning electron microscopy, energy dispersive X-ray spectroscopy and 3D surface profilometry. Based on the results obtained, CVD and PVD coatings aimed to provide improved tribological performance of steel wire drawing dies should display a smooth surface topography, a high wear resistance, a high fracture toughness (i.e. a high cracking and chipping resistance) and intrinsic low friction properties in contact with the wire material. Also, the steel substrate used must display a sufficient load carrying capacity and resistance to thermal softening. Of the CVD and PVD coatings evaluated in the tribological tests, a CVD TiC and a PVD CrC/C coating displayed the most promising results.

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Stadsdelen Angered var en del av det enorma nationella bostadsbyggnadsprogram som benämns som miljonprogrammet. Detta program genomfördes i Angered under åren 1967 – 1975 och kom att prägla Göteborgs stadsbild och demografiska struktur in i framtiden. En del av grunden till miljonprogrammets fanns inom den folkhemsideologi socialdemokratin i hegemoni med staten försökt genomdriva under några årtionden. Det handlade om allas rätt till ett bra och hälsosamt boende.          Angereds fritidscentrum var en del av den centralt styrda planeringen av byggandet av Angereds miljonprogramsområden. Stat och skola samt kommun och socialtjänst var två verksamheter som var drivande i denna planering. I min studie kommer jag att undersöka det som verkade vara en enhetlig plan innehöll olika faktorer som synliggör dessa aktörers roller. Dessas roller och agerande visar på tendenser i något jag kallar sprickor i välfärden.  

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The surface failure characteristics of different work roll materials, i.e. High Speed Steel, High Chromium Iron and Indefinite Chill Iron, used in the finishing stands of a hot strip mill have been investigated using stereo microscopy, 3D optical profilometry, scanning electron microscopy and energy dispersive X-ray spectroscopy. The results show that the surface failure mechanisms of work rolls for hot rolling are very complex, involving plastic deformation, abrasive wear, adhesive wear, mechanical and thermal induced cracking, material transfer and oxidation. Despite the differences in chemical composition and microstructure, the tribological response of the different work roll materials was found to be strongly dependent on the material microstructure and especially the presence and distribution of microstructural constituents, such as the different carbide phases and graphite (in the case of Indefinite Chill Iron). Cracking and chipping of the work roll surfaces, both having a negative impact on work roll wear, are strongly influenced by the presence of carbides, carbide networks and graphite in the work roll surface. Consequently, the amount of carbide forming elements as well as the manufacturing process must be controlled in order to obtain an optimised microstructure and a predictable wear rate.

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Projektet omfattade undersökning och framtagande av ett solcellssystem med förmåga att försörja ett FTX-system i ett flerbostadshus från miljonprogrammet med el. För att kunna bedöma storlek och utformning av komponenter har information tagits genom: Informationssökning via databaser, kurslitteratur och intervjuer Simuleringar av solceller i datorprogrammet PVSYST Modulering av ventilationskanaler i datorprogrammet MagiCAD Syftet var främst att undersöka om det gick att få fram ett teoretiskt fungerande system med avseende på både solceller och ventilation. Beroende på vad resultatet blev skulle även ekonomin i projektet undersökas. Undersökningen visade att det teoretiskt ska gå att installera solceller för elframställning som klarar av att täcka FTX-systemets elbehov på årsbasis. Solcellerna bedöms även producera tillräckligt med el för viss övrig elkrävande utrustning under stora delar av året. Det visade sig även att det skulle gå att få solcellerna ekonomiskt lönsamma om en kalkyltid på 14 år används. Metoden som använts för dessa resultat är noga beskriven och är med små förändringar tillämpbar för ett stort antal byggnader i det svenska byggnadsbeståndet. En viktig slutsats är att om fastighetsägarna kan se 15 år fram i tiden för en investering i solenergi, skulle det innebära inte bara miljömässiga utan även ekonomiska vinster. Det finns redan idag kunnande, teknik och produkter för att utvinna en stor del av fastigheternas elbehov genom solens energi.

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2015 kommer Skid-VM att hållas i Falun. TV-bolagen kräver redundant kraft som standard för denna typ av arrangemang. Detta sköts normalt med dieselgeneratorer och eventuellt UPS:er. För att utreda detaljerna kring, och möjligheterna med, att ersätta några eller alla dieselgeneratorer med elkraft från elfordon, har en förstudie gjorts under 2011. Denna studie tittat djupare på några sätt att göra detta. Slutsatsen är att tekniken finns och är mogen nog att klara uppgiften, men intresset hos fordonstillverkarna är svagt.

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The overall aim of this study is to analyse history teachers’ understanding of the school subject history. The aim have also been to uncover what factors the history teachers say have affected their understanding of the school subject. Based on survey and interview methods, the question that this study deals with is: in the light of which general understanding of the school subject history, do the teachers make didactic choices on a daily basis? The first theme is biographical. The teachers’ life-history is taken into consideration and several factors in the teachers’ background and the school environment have been identified. It also seems as if the teachers’ understanding of the school subject goes from an elementary and searching approach to one that is more complex and convinced. The second theme is a more structural approach. The results shows three major orientations among the teachers’ general understanding namely, educational (bildung) orientation, critical orientation and identity orientation. Even though a main orientation can be seen among the teachers, an important result is also that the orientation is overall complex. At the most general level some patterns can be seen. First the connection between the teachers’ biography and their general understanding of the school subject. In the understanding of the school subject, it is also notable that teachers relate in different ways to history as science, history as identity and history from an ideological viewpoint. It is also possible to note some signs of change in the school subject history that follows a lager historiographical context.

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This thesis focuses on four different aspects of history teachers’ comprehensiveunderstanding of the school subject history. More specifically, the aim is tostudy the comprehension of the subject as perceived by individual historyteachers. Special emphasis is placed on identifying the concepts of the field ofhistory that are central to the teachers’ understanding of the school subject history.The first aspect studied is the teachers’ biographical changes. In a life historyperspective it seems as if the teachers’ subject conception changes from anunproblematic and tentative approach to a more complex and confident understandingof the subject. The second aspect treated is the rationale behind theirgrasp of the purpose and content of the subject. Three major positions areidentified, namely educational (bildung) orientation, critical orientation, andidentity orientation.The third aspect studied is the teachers’ interpretation of a curriculumnew to them. The teachers placed the curriculum in the field of tension betweenan education policy position, emphasizing more precise knowledge, onthe one hand, and a history science position, emphasizing concepts of historicalconsciousness. The fourth aspect studied is five different conceptual tools displayedin the teachers’ remarks on having completed the teaching of a newcourse. These are termed ‘history as narrative’, ‘history as time-space’, ‘historyas explanation’, ‘history as perspective taking’, and ‘history as skills’At the general level the study shows not only that subject conception is ofimportance to the teachers’ understanding of their obligation as teachers of historybut also how it is formed and constantly transformed by many differentfactors. In this process it is clear that the concepts used by the teachers, althoughvariously defined, can be seen as specific to the school subject historyand essential to the construction of history as a school subject.