Sökresultat:
1595 Uppsatser om Conversion factor. - Sida 5 av 107
Engagerade ungdomar : en hållbar energistrategi
The consumption and energy use in today's society contributes to the on-going climate change that creates a debt of life quality for future generations (www, DN, 2007, a). The resources that are used by humans exceed by far what is sustainable (www, Regeringen, 2007, a).
The purpose of this paper is to examine how a message about energy conservation should be designed to reach youths. This will be attempted by showing their thoughts on energy and environmental issues and also what it would take for them to get more involved in these issues. The views of the youths are gained by a number of focus group-interviews, which where carried out in the fall of 2007, with kids in the ages 12 to 19. Apart from these interviews, interviews where also conducted with representatives from different youth organisations in Sweden, which gave their views on how to get a message across to kids.
Risks Related to the Maritime Transportation of Oil and Gas (mainly Crude oil, LPG, and LNG) -A Conceptual Study and Empirical Outlook on the Baltic Sea and UK Territorial Waters to Mitigate Risks
Transportation of oil and gas by the Sea characterizes challenges from a safety viewpoint. In this type of transportation, different sizes of special tankers carrying oil and gas. The marine transportation of these scarce natural riches is involved with risks and hazards, which may lead to many losses; for instance, wasting oil and gas, injuries of people, damaging ships and properties, and damaging environment. The main purpose of this thesis is to evaluate the risks, hazards, and accidents during transportation of oil and gas (mainly Crude Oil, liquefied petroleum gas, and Liquefied natural gas) by the Sea with concentrating on transport safety. Hence, a better understanding of these risks and hazards can contribute to decrease of addressed losses.This study is carried out on risks associated with maritime transportation of oil and gas starting with describing the general casual chain (dealing with causes, incidents, accidents and consequences/causalities), continuing with describing risk analysis techniques (including event tree analysis and fault tree analysis) and risk control measures/options, and finally implementing aforesaid investigations on real data from two areas; namely UK territorial waters and the Baltic Sea.In this study, the results of analyzing data from 1991 to 2010 in UK territorial waters revealed that collision and grounding were two most common accidents in terms of crude oil tankers, LPG and LNG carriers in which 44% of all accidents were equally divided between collision and grounding.
Kvinnor som är entreprenörer Bestämningsfaktorer och regional variation
The proportion of women entrepreneurs in Sweden is, as in many countries, smaller than the proportion of men entrepreneurs. Sweden has therefore created political measures with the ambition to increase women entrepreneurship. However, knowledge about the determinants of women entrepreneurship is needed in order to enable the promotion of it and, at the same time one can question the treatment of women entrepreneurs as a homogenous group. The purpose of this thesis is to investigate the determinants of women entrepreneurship and whether these determinants fluctuate regionally. If this proves to be the case, a more spatial/individual approach should be used, when creating measures to promote entrepreneurship.
Attityd till högre utbildning och studieengagemang bland gymnasieelever på landsbygd : Attitude to higher education and study engagement among high school students in a rural community
The present study examined high school students? attitudes to higher education at university/college and their study engagement in an industrial town in klarälvdalen in the county of Värmland. The main research question was whether there are any differences between students in vocational and theoretically oriented programs regarding their attitude to higher education and study engagement. The results was also compared with a study with the same research question conducted in Countryside town in fryksdalen, Värmland county to see whether attitude and student engagement differ between high school students in different parts of Värmland. The method used was quantitative with data collected by using questionnaires.
Analys och dimensionering av robusta kilspårsförband
This master thesis comprises analysis and dimensioning of a keyed joint between a generator axis and a hub with aid from the FEM-software ANSYS Workbench 13.0.The generator axis is a part of a hydroelectric power station that generates electricity with a reactions turbine, a Kaplan turbine. The existing keyway consists of one parallel key with the width 90 mm and height 45 mm. Due to a planned increase of the power of the generated power with 32 % a design study was needed to see if the keyed joint would be suitable for the extra force. Because of the fact that the axis diameter is bigger than the standards covers/recommends a the keyway had to be re-dimensioned. In an earlier assignment from Skellefteå Kraft AB to Sweco Energuide the keyway was planned to be properly dimensioned, but no final solution was approved.During this master thesis a number of different numerical tests were made.
Undersökning av energiförbrukning och konceptutveckling av mer energisnåla frukostmaskiner
This master thesis comprises analysis and dimensioning of a keyed joint between a generator axis and a hub with aid from the FEM-software ANSYS Workbench 13.0.The generator axis is a part of a hydroelectric power station that generates electricity with a reactions turbine, a Kaplan turbine. The existing keyway consists of one parallel key with the width 90 mm and height 45 mm. Due to a planned increase of the power of the generated power with 32 % a design study was needed to see if the keyed joint would be suitable for the extra force. Because of the fact that the axis diameter is bigger than the standards covers/recommends a the keyway had to be re-dimensioned. In an earlier assignment from Skellefteå Kraft AB to Sweco Energuide the keyway was planned to be properly dimensioned, but no final solution was approved.During this master thesis a number of different numerical tests were made.
Akrylamid : skillnader i upptag, metabolism och utsöndring mellan gnagare och människa
Acrylamide (AM) is a commonly used monomer in the manufacture of polyacrylamide. In addition, AM has been found in heated foods that are rich in starch. The main dietary sources in Sweden tend to be crisps, French fries, fried potatoes, crisp bread, cookies and coffee. Un-fortunately, dietary intake of AM has in several studies been shown to cause cancer in ro-dents. Consequently, the compound is currently regarded as a potential carcinogen in hu-mans.
Faktoranalys av EU: s strukturella indikatorer
This paper describes a factor analysis applied at the data of the European Union structural indicators. These are the official indicators for wealth and economic development in the European Union with main use to evaluate the outcomes of the year 2000 Lisbon goals for making the European Union the world?s strongest economy by 2010. The purpose of the data is to serve for comparing and ?learning by doing?-policies, but have, due to size and format, so far been hard to use for a good compare between member countries.
Konceptuell modell av dataomvandling till USB
Alstom Power i Växjö arbetar med utveckling och försäljning av bland annat elektrofilter tillrökgasreningssystem vid olika typer av miljövårdsanläggningar för t.ex. kraftverksindustrin.Dessa elektrofilter kontrolleras och regleras med hjälp av styrutrustning uppbyggd av ettantal styrenheter som idag kommunicerar via en egentillverkad standard kallad ?Fläktbuss?. Föratt övervaka detta system vill man använda handburna PDA och kommunicera med Fläktbussenvia USB. För att få kommunikationen mellan USB och Fläktbuss att fungera krävs någon form avaktiv konvertering.Detta examensarbete kommer att ta upp så väl problematik och lösningar kring detproblem som finns i samband med denna konvertering..
Kvalitetssäkring av produktionsprocess : Skumming i industritvätt
This report describes the manufacture and control of a flying platform. The report describes the basic and fundamental theories required to get the platform flying. It touches on subjects such as A/D-conversion. PWM-control and PID-control. The sensors used in the platform are a gyro and an accelerometer.
Attityd till högre utbildning på universitet/högskola och studieengagemang bland gymnasieelever på bruksort
The present study examined high school students? attitudes to higher education at university/college and their study engagement in an industrial town in klarälvdalen in the county of Värmland. The main research question was whether there are any differences between students in vocational and theoretically oriented programs regarding their attitude to higher education and study engagement. The results was also compared with a study with the same research question conducted in Countryside town in fryksdalen, Värmland county to see whether attitude and student engagement differ between high school students in different parts of Värmland. The method used was quantitative with data collected by using questionnaires.
Effekten av sulforafan på genuttrycket av breast cancer resistance protein i MCF-7 celler
Sulforafan är en isothiocyanat-förening som finns i stora mängder i olika kålväxter. Sulforafan har setts ha en kemopreventiv inverkan bland annat genom att inducera fas II-enzymer styrda av transkriptionsfaktorn nuclear factor E2-related factor-2 (Nrf2). Nrf2 är mycket viktig i cellers skydd mor oxidativ- och elektrofil stress och inducerar uttrycket av många olika gener, bland annat olika tranportproteiner. Breast cancer resistance protein (BCRP) är en av transportörerna som tros induceras av Nrf2. BCRP finns i stora mängder i lakterande juvervävnad men också i många andra vävnader där den transporterar läkemedel ut ur cellerna.
Tillfrisknande från ätstörning - en studie baserad på kvinnors erfarenhet av ätstörningar
Aim:In this study, women were interviewed about their experiences of recovering from an eating disorder - The aim has been to investigate the factors that contributed to recovery and with guidance of these factors, find factors that can be used in a preventive intervention.Method: A qualitative approach was used to design and conduct interviews, the design of the study was descriptive and a semistructured interview was used. The local affiliation of The Swedish Eating Disorder Association was contacted and provided contact with 10 women who participated in the interview. To participate in the study the women had to be recovered from their eating disorder for at least two years. The women who patricipated in the study were between 22 and 36 years old and had been recovered for 2- 16 years. Data were analyzed and coded then categories with similar themes about the factors that were important for recovery wad etablished.
Förhållandet mellan COD och TOC i skogsindustriella avlopp
Under tillverkningsprocessen i massa- och pappersindustrin bildas avloppsflöden i flera olika steg. Ett av de miljöbelastande utsläppen utgörs av organiskt material. Organiskt material kan mätas som biokemisk syreförbrukning (BOD), kemisk syreförbrukning (COD) eller som totalt organiskt kol (TOC). Analys av COD inkluderar ofta miljöfarliga ämnen (till exempel kvicksilver). Naturvårdsverket har under flera år aviserat att analysen kan komma att förbjudas och därmed blir analys av TOC allt mer vanligt.
Kentucky Inventory of Mindfulness Skills: validering av den svenska översättningen och en studie av anhöriga till borderlinepatienter.
This paper has two parts. In the first part we analyse the Swedish translation of KIMS and we compare it with the American version that Baer and colleagues developed(Baer et al, 2004). Our focus is the factor structure, internal consistency, scale correlations and validity in relation to the already validated translation of the MAAS. The second part has three issues: Does a group of relatives to persons with borderline personality disorder differ from a group of university employees with respect to different aspects of mindfulness? What are the correlations between KIMS and the symptom measure BSI-GSI for the group of relatives? Has the Family Connections program had any effect on the degree of mindfulness for the group of relatives? 123 university employees answered the KIMS questionnaire.