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4857 Uppsatser om Life Cycle Assessment - Sida 38 av 324

Effektiviseringspotential inom industrisektorn : Energibesparing vid frekvensstyrning av centrifugalpumpar ? en fallstudie

The project was performed at SiemensIndustry Drive Technologies with theobjective to provide actual values forthe energy savings potential withinSiemens scope of practice.In Sweden the electrical drives standfor about 30 % of the total electricityconsumption and about 60 % of theelectricity consumption within theindustry. During the pre-study phaseelectrical drives with pump applicationswere identified as large energy users.Because of this a case study at one ofSiemens customers, Stora Enso Fors wasperformed. The system that was evaluatedduring the case study was a throttledsystem with a centrifugal pump forpumping pulp.The results yielded that a saving ofover 50 % could be achieved by replacingthe throttle valve with a variable speeddrive, a frequency converter. Thepayback period was two years and twomonths and the present value for thetotal life cycle cost of the variablespeed system was 662.566 SEK lower thanfor the throttled system. As aconsequence, Stora Enso Fors is advisedto invest in a frequency converter forregulation of the system.The general conclusion is that a focuson system efficiency is the mostimportant factor in energy efficiencyprojects and that the system regulationmethod has a large impact on the overallsystem losses and hence its efficiency.Energy efficiency potential forthrottled systems with centrifugal pumpsis large and significant economicalsavings can be made through investmentswith short payback time..

Framställningar av mödrar och fäder i vårdnadstvister : En kvalitativ analys av rättsfall och av vilken betydelse genus har i bedömningen om ensam vårdnad

This study aims to provide a picture of how fathers and mothers are produced in judgments regarding child custody and to investigate if any of the parties is aggrieved because of their gender. The material consists of six legal cases. The study is based on gender theory and social construction. It represents a qualitative method where we have used text analysis. The previous research is contradictory as on one hand it shows that there are different criteria related to the parents' gender when it comes to caring for children in both child welfare investigations and the courts.

Laktester för riskbedömning av förorenad mark :

Using leaching test is a way to get a picture of pollutants retention and leaching in a risk assessment on contaminated land. There are several different types of standardised leaching tests today, where the natural leaching processes are speeded up to make it possible to predict the leaching of pollutants. These leaching tests have been developed for waste and there are no specific guidelines on how to judge the results from the tests, when making a risk assessment on contaminated land. This work is an investigation on how to use leaching test in this type of risk assessments. The strengths and weaknesses of the different types of tests are discussed. Depending on what type of information you want from your leaching test, different types of tests are suitable.

En kvalitativ studie om före detta kriminellas upplevelser av stöd och hjälp.

The aim of this study was to examine former criminals? experiences of help and support of importance to leave a criminal life style. The study consists of six interviews with former criminals and earlier studies on the subject. These studies show that relapse in crime are most common among those who are socially excluded from society. They also show that important factors to end a life in criminality are for example a supportive social network.

VIX: ett mått på marknadsosäkerhet : Hur påverkas VIX av schemalagda nyhetspubliceringar?

This study is based on interviews with heads of unit, care staff and senior representatives from a total of six people. We have in this study directed our focus on care quality in the elderly as a concept in development. It appears, when the elderly do not have any dependents, it is even more important that staff supports some extra where no relatives are involved.Quality of life is the broader concept of good quality care and where a good quality of care is a necessary condition for a good quality of life. According to the social services care is the target that older people will live a good life and be allowed to live in a safe environment, which we intend to investigate in this study. Opportunity for greater influence should now be given to older people and their families on how interventions should be designed and implemented.

Vårdpersonalen och munbedömningsinstrumentet

Bakgrund: Munnen kan inte ses som separat från resten av kroppen eftersom munhälsan påverkar den generella hälsan. Syfte: Syftet var att belysa betydelsen av användandet av munbedömningsinstrument för vårdpersonalen. Metod: Allmän litteraturstudie. Resultat: Genom en innehållsanalys framkom de två subkategorierna; Ger möjlighet att upptäcka och Tydliggör fortsatt behov av munbedömning. Dessa ledde till kategorin; Munbedömningsinstrumentet ger struktur.

Dubbla karriärer inom National Collegiate Athletic Association : Ishockeyspelares upplevelse av stödfunktioner och life skills program på ett amerikanskt universitet

In todays society sports has become a major part in people?s life, with the emerging of professionalization it?s become a thriving business that generates big money. An outcome of this evolution of sports as meant that most athletes must put more time and energy in to their athletics to have a chance to reach their dreams of being a professional athlete. And if an athletes dream get cut short somehow, the process of moving out of sport has been shown to somtimes be a difficult process for athletes that don?t have anything to fall back on.

Att vara pappa : Att hantera ett litet barn - känslor och tankar runt papparollen

The need of knowledge revolving first-time father experiences, feelings and thoughts is extensive and insight and knowledge about his emotional life in conjunction with being a dad is equally important. The purpose with this study is to investigate how men, that recently became a first-time father, manages and experience the first time with his child. We used a narrative method and interviewed seven fathers as we conducted our qualitative interview study. All the fathers went through life changes. No one talked about sacrifices, but noted rather that their lives were to become different.

JÄMFÖRELSESTUDIE AV BETONGKONSTRUKTIONER I EUROKOD OCH BKR

Life Cycle Assesment, LCA, används för att sammanställa och utvärdera in- och utflöden ur ett system samt potentiell miljöpåverkan under en produkts livscykel. Beräkningarna görs genom att se hela produkten ur ett livscykelperspektiv, dvs. från det att produkten är en råvara till det att den hanteras som avfall. Beroende på måldefinition och systemgränser kan detaljgraden och tidsramen för LCA-studien varieras. LCA används för att identifiera möjligheter att förbättra produkten i olika delar av livscykeln ur miljösynpunkt men också för att jämföra olika system.Syftet med denna rapport är att öka förståelsen för hur förbättringar ur miljösynpunkt kan åstadkommas i produktionskedjan för de tre golvmaterialen parkett, linoleum och vinylgolv samt undersöka om och på vilket sätt LCA metoden kan bidra till detta.Metoden som har använts är att använda livscykelperspektiv samt mjukvaruprogrammet GaBi med databasen Ecoinvent.Miljömärkning Sverige AB ska uppdatera sina golvkriterier och efterfrågar därför information om utsläppen av CO2, NOx, SOx och VOC samt energiåtgången hos de tre golvmaterialen vinyl, linoleum och parkett ur ett livscykelperspektiv.

Den svenska versionen av Children?s International Mucositis Evaluation Scale : - Tonåringar och föräldrars åsikter om instrumentets frågor

ABSTRACTBackground: In all cancer therapies occurs more or less side effects, there one of them are mucositis. Symptoms of mucositis include wound and blister in the oral mucosa and affects 50-80% of children undergoing cancer treatment. Today there is no Swedish tested assessment scale for mucositis.Aim: To describe how teenagers with cancer and parents of children younger than 12 years with cancer perceive issues in a mouth-assessment instruments, Children?s International Mucositis Evaluation Scale (ChIMES), that have recently been translated into Swedish.Method/Design: The study was a quantitative descriptive research design. The participants were teenagers with cancer 12- 18 years (N=15), and parents (N=15) of children younger than 12 years.

Motiverande samtal som metod för ökad närvaro i gymnasieskolan?

Effektiviteten av manualiserad Motivational Interviewing prövades i en experimentell design. Gymnasieelever med hög frånvaro (n=89) blockrandomiserades till antingen två sessioner Motivational Interviewing eller någon av de två kontrollgrupperna, som erhöll validerande samtal respektive ingen intervention. Den beroende variabeln utgjordes av förändring i frånvaro som rapporterades av de deltagande skolorna. Utöver detta användes School Refusal Assessment Scale för att undersöka orsaker till frånvaron. University of Rhode Island Change Assessment användes för att mäta motivation enligt Prochaska och DiClementes förändringsmodell.

Cancersjuka patienters upplevelse av livskvalitet och välbefinnande i samband med yogautövning. : En deskriptiv kvalitativ studie med semistrukturerade intervjuer.

AbstractAim: The aim of this study was to describe cancer patients? experiences of quality of life and wellbeing in relation to yoga practice.Method: A descriptive qualitative study with semi structured interviews was carried out during the fall of 2009 at the University of Uppsala. Informants in the study were cancer patients who were participating in the yoga/psychotherapy group at the clinic of oncology at the Akademiska hospital in Uppsala.Result: Five out of six informants experienced that their quality of life and their wellbeing improved by practicing yoga. One informant had mixed feelings which were not due to the yoga practicing, but to the place where it was practiced. For her this place was associated with illness.

Ipsilateralt vaskulariserat ulna autograft vid behandling av osteosarkom i distala radius hos hund : en fallstudie

Limb-sparing surgery aims to provide a functional pain free leg for the patient after removal of a local tumour in the leg. Reasons to perform limb-sparing instead of amputation can be arthrosis or hipdysplasia or other problems with the locomotor apparatus that makes the patient unsuitable for amputataion. Owner reluctance to amputate is another reason for limb-sparing. This master?s thesis is a case study of a dog with an osteosarcoma in its distal radius. The dog was treated by a limb-sparing method that uses the ipsilateral ulna as a vascularized roll-over autograft.

Lean IT Assessment Tool : Ett verktyg för att utvärdera möjligheterna till effektivisering av en IT-avdelning

During the last decades the importance of IT has increased for businesses all over the world. It has transferred from only being used in administrative purposes to become more integrated to the core business. Due to the financial crisis in 2009 and increasing globalization, IT is facing the challenge of lower costs and increased efficiency. This requires IT-departments to embrace new strategies in order to fulfill these new tougher demands.Lean is a business development concept that aims to lower costs through more effective processes by removing all activities that does not create any value from the end customer?s perspective.

Utvärdering av Naturvårdsverkets bedömningsgrunder för makrofyter i sjöar

According to the Water Framework Directive of the European Union, macrophytes should be used as indicators in the ecological and environmental monitoring of lakes. In the member state Sweden the Environmental Protection Agency has elaborated assessment criteria for determining lake status based on macrophytes. The main focus of this thesis is to evaluate the efficiency of the assessment criteria for macrophytes. In addition the concordance between the ecological status classes of the four quality factors included was analysed.The assessment criteria for macrophytes are based on the total phosphorus preference of the respective species. The focus is thus mainly on the nutrient level of the investigated lakes and the environmental problem monitored is eutrophication.

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