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352 Uppsatser om Dimensioning of wall beams according to EC - Sida 17 av 24

Utveckling av hygienfunktioner i diskmaskiner : Desinfektion med hjälp av UV-ljus och ozon

This thesis within the field of Integrated Product development at the Royal Insitute ofTechnology, performed at Primary Development Dishcare at AB Electrolux, is supposed to finda solution to enhance the hygiene inside an Electrolux dishwasher. The outcomes of this thesisare functional prototypes to evaluate the efficiency of disinfection by the use of Ultra VioletLight and Ozone.The thesis has followed Electrolux Primary Development process, with delivarables andcheckpoints.Ultra violett light with a wavelength of around 264 nm penetrates through the cell wall ofbacteria and micro organisms and causes a molecular rearrangement of the cells DNA. Thisprevent the bacteria from reproducing and it is considered dead. Commonly used UV-C lampstransmits the wavelength 254 nm which is very close to the optimum for germicidal action.A competitive brand have reacently launched a dishwasher claiming to achieve greaterdisinfection with an UV feature. This dishwasher was tested during the thesis and proven tohave a very low effect on the hygienic result.Two prototypes were devolped and tested for UV disinfection of dishware.

Barns delaktighet och inflytande i den pedagogiska dokumentationen i förskolan

The purpose of this study is to find out what the educators idea of educational documentations in ratio to childrens inclusion and impact in pre-school are, together with the child's own perception of the concepts of documentation. We proceeded from the following issues: What are the significance of educational work according to the teachers? What is the teachers idea of a childs impact and inclusion in educational documentation? In what way do the children have influence over, and inclusion in educational documentation? What are the childrens feelings of the documentations? In order to find answers to our questions, we used qualitative examinations consisting of seven educators and seven children from various pre-schools in Stockholm, and thereby, we have analyzed our results. As our theoretical frame, we used ourselves of Vygotskijs and Säljö's sociocultural perspective that is about "progress and learning", which is achieved by interaction and cooperation in a social context. The result shows that the aim of educational documentation is to reveal the childs development and learning, and also to involve the parents by putting up documents on the wall.

Framtagning av en rörväxlaretill sopsugsystem

The main goal of this project was to develop some sort of a diverter for pipestransporting waste in a vacuum system. This unit was supposed to be both cheap andeasy to serve/exchange worn out parts. With a limited space to install the pipeexchanger, the challenge was to keep it as compact as possible without constructingbends with to small radius or to sharp angles as this would wear out the system a lotfaster than planned. The system was also supposed to be able to handle clothes andscrubs from hospitals. Having too much sharp edges or angles would tear the clothesapart.

Tekniska system i förskolan : 3-5 åringars uppfattningar om mobiltelefoni

 This report will describe a project between two students from Karlstad University and Markus Norström from Hovercraft solutions. The project aim was to develop a cabin for the hovercraft 380TD. The project was divided into two sub parts; one concerning the design of the cabin and one concerning the engineering. Throughout this rapport you can follow the engineering part of the project. The project has followed a systematic product development process resulting in optimized results for material selection and engineering solutions.

Tillfällig klädförvaring

This degree project has been carried out by Niclas Andersson and Sebastian Zwahlen, students of the Innovation and Design Engineering Program at the Faculty of Technology and Science at Karlstad University. The project was carried out during the spring 2010 and includes 22, 5 ETCS credits.Initially the group had contact with the company Mavis möbler AB. Mavis gave the group the task of developing a new bedroom product. To assess the needs and problems of bedroom behaviors, an extensive questionnaire and several interviews were made. This became the starting point for further work.According to the results uncovered during the market research a vast problem was found with temporary clothing storage.

Förbättring av U-värde i träkonstruktion för fönster med Aerogel

When constructing a building, a number of aspects must be harmonized in order for it to fulfill requirements ? a building must fulfill requirements such a load-bearing, conservation of energy and a good indoor environment by means of, among other things, moisture proofing .Moisture problems in buildings can affect health negatively. As we are increasingly staying in indoors, demands on a good indoor environment are higher.This work starts with examining moisture problems in slab-on-ground solutions, and then links the various scenarios to moisture problems in a concrete slab of a real building. The building with moisture problems is located in Årby by in Borlänge and moisture damage was found in the slab at an apartment adjoining wall.By reviewing literature written within the field of moisture problem, making hand calculations and modeling in the program Comsol Multiphysics, judgments are made to find explanations as to why the rise of moisture occurred in the building in Årby by.Generally, the following guidelines may be used to reduce the risk of moisture problems in slab-on-ground constructions:Drying of construction moisture before laying the floor material.Using draining layer beneath the slab, to prevent capillary suction.Using insulation under the slab, partly for comfort and to establish the temperature difference between the ground and the concrete slab.Avoid direct contact between the wood and concrete, due to degradation and fouling smells that normally occurs.If necessary, use additional vapor barrier.In addition to the above, there are various methods for moisture-proof and moisture-monitoring by design or by the method ByggaF suited for the entire construction process various events..

Konstaterade fel i internationella bolag : En studie av begångna bolagsskandaler

 Inledning: Under 2000-talet har olika slag av bolagsskandaler uppmärksammats inom företags- och finansvärlden, som har kommit att påverka ekonomin och redovisningen en hel del. Bland dessa finns bland annat energibolaget Enron, telecombolaget Worldcom samt svenska bolaget Skandia. Effekterna av bolagsskandalerna är många och i värsta fall kan företagsledarna få handskas med fängelsestraff. Syfte: Syftet med studien är att granska begångna regelbrott i stora bolag samt jämföra de med varandra för att se vilka likheter och samband som finns kring bolagsskandalerna som uppstått.Teori: I den teoretiska referensramen beskrivs teorier om bolagsstyrning, Svensk kod för bolagsstyrning, den svenska modellen för bolagsstyrning, agentteorin samt Sarbanes Oxley Act. Metod: Insamlingen av kvalitativ data har skett via sekundär datainsamling, exempelvis via artiklar, tidigare studier, Internet samt böcker. Slutsats: Det finns tydliga mönster mellan de begångna bolagsskandalerna som har undersökts i denna studie. Ett av de dessa är att ledningen i de flesta fall håller i trådarna. Motivet till de flesta brotten ligger i grund och botten på att rädda bolaget från att gå med förlust eller till och med i konkurs, eller att leva upp till ställda förväntningar på exempelvis Wall Street. .

Karlskrona: örlogsstad och världsarv : en fallstudie om stadsidentitet

In 1998, 'the Naval Port of Karlskrona' was inscribed as a World Heritage Site by UNESCO and thus, it is equally protected as China?s Great Wall and the Pyramids of Egypt.The essay is a case study of Karlskrona, one of Sweden's most well planned cities, where famous urban planners and architects such as Erik Dahlberg and Nicodemus Tessin the Elder has been involved.Today, Karlskrona is a rather unknown small town in Sweden's outskirts, where population growth has been a problem. When Karlskrona was founded, in the late 17th century, Sweden was a major power. The Blekinge archipelago was in the middle of the Baltic dominion and Karlskrona represented a midpoint in the kingdom. Therefore, Karlskrona has a small town charm with the history and style of a cosmopolitan city.By initially studying how the town?s character of today is expressed, the history of Karlskrona is explored.

Simulering av en framtida presslinje - en analys av design och prestanda

Problem areaAlfa Laval is a world leading company in the heat transfers area and have the vision to continue to be that in the future as well. The company has a lot of press lines where the utilization is high and also has started to become old. Prognosis shows that there is an increased demand of heat exchanger in the future. This increased demand is not something that existing lines will manage. To build new lines cost a lot of money and take time so it is essential that new lines are correct from the start and not need to be rebuilt or a lot of time spent to trim it.GoalThe goal is to achieve 100% theoretical utilization of the press (the press shall press the amount of plates it is designed for).

Fuktproblematik i platta på mark : En analys av uppkomsten till fuktproblem

When constructing a building, a number of aspects must be harmonized in order for it to fulfill requirements ? a building must fulfill requirements such a load-bearing, conservation of energy and a good indoor environment by means of, among other things, moisture proofing .Moisture problems in buildings can affect health negatively. As we are increasingly staying in indoors, demands on a good indoor environment are higher.This work starts with examining moisture problems in slab-on-ground solutions, and then links the various scenarios to moisture problems in a concrete slab of a real building. The building with moisture problems is located in Årby by in Borlänge and moisture damage was found in the slab at an apartment adjoining wall.By reviewing literature written within the field of moisture problem, making hand calculations and modeling in the program Comsol Multiphysics, judgments are made to find explanations as to why the rise of moisture occurred in the building in Årby by.Generally, the following guidelines may be used to reduce the risk of moisture problems in slab-on-ground constructions:Drying of construction moisture before laying the floor material.Using draining layer beneath the slab, to prevent capillary suction.Using insulation under the slab, partly for comfort and to establish the temperature difference between the ground and the concrete slab.Avoid direct contact between the wood and concrete, due to degradation and fouling smells that normally occurs.If necessary, use additional vapor barrier.In addition to the above, there are various methods for moisture-proof and moisture-monitoring by design or by the method ByggaF suited for the entire construction process various events..

Utvärdering av Vissberga lakvattenbehandling

In connection with the admittance of the EC-directive (99/31/EC) in Swedish politic, through the constitution of waste depositing (2001:512) at year 2001, the rules about management the landfills and leachates tightened. At the landfill Vissberga in the municipality of Hallsberg, a leachate treatment plant was constructed just a year thereafter. This treatment plant consisted of an aerated pond with a following land treatment and a willow cultivation to replace the land treatment during the summer. In this case the parameters, which were estimated as the most important to reduce, were iron and nitrogen. The iron would react with the oxygen-rich water in the aerated pond and precipitate to ferric-hydroxide and than settle in a calm zone of the pond.

Funktion utan hinder : fysiskt och upplevelsemässigt tillgängliga miljöer med fokus på funktionshindrade och med Heby kommun som exempel

Accessibility is today a topic of high current interest. It is a requirement for equality and a democracy question. By the year 2010, easy measured hindrances in all of Sweden's municipalities should be cleared away; this is stated in Swedish law. The physical accessibility to our public places is particularly important for functionally disabled people since it affects their possibilities to be outdoors and also their participation in society. When designing these places, it is difficult to find solutions that fit everybody, especially since good accessibility not only should fulfill all physical requirements of accessibility but also values of experience.

Finita elementmetoden och handberäkningar : En jämförande studie av beräkningar på väggskivor

Syftet med detta examensarbete är att undersöka och jämföra två olika beräkningsmetoder när det kommer till beräkningar av väggskivor. Den ena beräkningsmetoden baserar sig på traditionella handberäkningar där anvisningarna i BBK 04 (Boverket 2004) och Betonghandbok Konstruktion (Lorentsen, Mogens, Cederwall, Krister & Östlund, Lars (red.) (1990)) följs. Den andra metoden baserar sig på finita elementmetoden, och utförs med hjälp av programmet Strusoft FEM-Design Wall. Med Finita elementmetoden delas konstruktionen upp i flera små delar, så kallade finita element, som sedan beräknas var för sig, och sedan sätts alla delarna ihop till ett resultat för hela konstruktionen. Två olika väggskivor beräknades, en solid väggskiva samt en väggskiva med ett dörrhål i. Vid jämförelsen på den solida väggskivan visade sig resultaten stämma väl överens med varandra.

Jag såg det på Facebook : Unga människors självpresentationer på Facebook

Title: I saw it on Facebook ? Youth presentation of self on FacebookAuthors: Nicole Dreher & Anders SkoglundPresented: 01.06.2010Purpose: The purpose of this thesis was to examine how the, in the study, participating youths make their presentation of self on their Facebook profiles.Methodology: The method used in the thesis was a social semiotic analysis focusing on the social semiotic concepts: semiotic resource, semiotic potential, affordance, denotation and connotation. A social semiotic analysis of composition was also used with the purpose to gain a deeper knowledge of the social semiotic affordances of Facebook?s composition.Theoretical perspectives: The theoretical base of this thesis consists mainly of Erving Goffman?s theory on presentation of self in everyday life as well as relevant theories to youth culture in sociology and identity in social psychology.Conclusions: The results show that the youth?s presentations of selves mostly takes place in their profile picture, status updates, groups, fan pages and through their communication with other users on their wall. The borders between front and back stage on Facebook entirely depends on the norms that the reader expects the profile owner to uphold.

Välfärdsstaten i tre post-kommunistiska stater: konservativ, liberal eller socialdemokratisk? En studie av socialpolitikens utveckling i Tjeckien, Polen och Ungern efter 1989

After the fall of the Berlin Wall in 1989 the satellite states of the former Communist bloc immediately departed on a journey towards democracy and market capitalism. Among the many tasks of the newly elected governments, one was to transform the paternalist Communist welfare state into a social system that would decrease the oversized role of the state, at the same time as protecting the citizens from the hardships ensued from the transition.I have studied the evolution of new welfare systems in the Czech Republic, Poland and Hungary, three countries generally agreed as the most similar and most successfull transition countries of the Eastern bloc. Gøsta Esping-Andersen's prominent typology of welfare regimes, consisting of the liberal, corporatist and social democratic regime-types, has constituted the theoretical basis of the analysis. Simultaneously, applying new cases to the typology implies an element of theory testing.The study shows that 40 years of Communism and partial isolation from the West has not prevented these three countries from developing welfare states fully compatible with those of Western Europe and the Anglo-Saxon nations and that all three of them in fact fall within the scope of the corporatist regime-type..

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