Stockholm har inför 2050 satt upp ett mål om att bli koldioxidfritt. I strävan mot detta söker man utvinna energi med förnybara metoder och ett alternativ för elproduktion inom stadskärnan skulle kunna vara solceller. Solceller är en teknik som genom sammanfogande av halvledarmaterial och den fotoelektrisk effekt genererar el ur solinstrålning.Avhandlingen studerar dagens solceller, med verkningsgrader uppemot 20 % och deras potential att täcka den mindre del av Stockholms elbehov som idag härstammar från fossila bränslen. Genom att se till en uppskattad befintlig takyta i Stockholms kommun och jämföra den med ytan som baserat på solcellernas potential behövs för att täcka behovet, konstateras att endast en liten del av detta kommer kunna täckas. För att solceller skall vara aktuella inom storskalig elproduktion, krävs att de är ekonomiskt lönsamma och att det i dagens läge är praktiskt genomförbart att montera dem inom stadskärnan.

Globalization is one of the most popular catchphrases in the international relations debate today. Globalization is a complex concept with as many definitions as authors. National borders or jurisdictions do not control the phenomenon, instead, it is moving without restraints from region to region. Is this a threat to the sovereignty of nation-state and an end of the system of Westphalia? Does the globalization undermine the nation-state by increased factor-mobility, less tax revenue and participations multilateral co-operations, as the globalists think? Or is it strengthens its importance by offering better allocation of resources through free and healthy competition, as the skeptics believe.The aim of this thesis is to analyze theories of globalization by applying them on Sweden and the Netherlands.

Syftet med denna studie är att undersöka vad som händer i olika naturvetenskapliga situationer i den fria verksamheten i förskolan. På vilket sätt tas sådana situationer tillvara på av pedagogen? Jag har använt mig av videoobservationer i två förskolor i Mellansverige för att försöka upptäcka situationer i den fria verksamheten som har potential att bli en naturvetenskaplig lärandesituation för barnen. I studien observerades 11 pedagoger. Resultatet visade att det finns potential för att utveckla naturvetenskapligt lärande för barnen i den fria verksamheten i förskolan.

Kina, ett expansivt land i centrala Asien, har genomgått stora förändringar sedan Andravärldskriget. Har den förändringen skapat en uppfattning i USA att Kina kan ses som ett hot?Syftet med uppsatsen är att undersöka hur den officiella hotbilden av Kina skildrats i USAunder åren 1991-2006. Detta med fokus på att se på vilka förändringar som eventuellt skettunder den perioden. Problemformuleringen lyder: Vilka likheter och olikheter kanidentifieras genom att jämföra hur den officiella hotbilden av Kina har skildrats under detre olika presidentadministrationerna åren 1991-2006.

Container Security Initiative was launched in 2002 by the US Customs and Border Patrol in order to secure the global flow of containers destined for USA. This thesis attempts to analyze Container Security Initiative in relation to a possible future scenario made by the weapons industry where the state's global traderoutes are being subject to militarization. A development which is partly based on the threat posed by global illegal trade. The latter is discussed and defined based on current research made by Carolyn Nordstrom, Moíses Naím and theories on the cosmopolitan perspective made by Ulrich Beck. Strategy documents concerning Container Security Initiative are then analyzed in terms of discourse to try to say something about what the program indicates.

This thesis concerns waste management on construction sites and was conducted on behalf of ICA Fastigheter.Areas of concern:How can an environmentally-efficient waste management system on construction sites be defined? What potential exists for exploiting the waste resources that are generated?How can the waste management be optimised by reducing the quantity of waste and by optimal sorting?How can the client of a project influence the waste management?The purpose of the work was to investigate sustainable waste management in the building and construction sector and to highlight waste as a resource from an environmental and economic perspective.The aim of the work was to define an environmentally-efficient waste management system, to analyse the potential that exists in waste management and to draw up guidelines for optimal waste management.The method consisted of a literature study, two visits to construction sites and four interviews.An environmentally-efficient waste management system means that the waste is managed in the following order of priority:Prevention     Reuse  Recycling     Energy recoveryLandfill     The prevention of waste is an important area that has not been adequately explored by the building and construction industry. The quantities of waste could decrease with the implementation of measures such as ordering materials in the dimensions required, prefabricated components, logistics centres with Just-In-Time deliveries, less and improved packaging and less wrapping. The reuse of waste materials and temporary apparatus as well as the use of a return pallet system are examples of reuse that reduces the quantities of waste.In most cases the source sorting work is a matter of course and the proportion going to landfill is down at a low level. The source sorting can be optimised by sorting all materials that can be reused and recycled to use them as a resource.

The purpose of this study was to investigate how three Swedish news publications writes about integration and immigrants. The news articles were analyzed with a rhetorical analysis. The method was supplemented with theories of media and ethnicity, agenda setting theory and gatekeeping theory. This study resulted in the conclusion that racist discourses are found in the three news publications, regardless of political color, writer or article genre. Many of the articles makes a clear division of "us and them", where "them" is defined by the text's "us", who are often Swedes.

The purpose of this study is to highlight how a ring road and an external retail establishment may affect the city commerce. Umeå is the study object with interesting undergoing changes including a new external retail area south of the city and a new transport route that will lead the through traffic around the city.The study is based on a review of previous studies and a qualitative method. Four interviews were conducted with people who have a connection to commerce and/or municipal planning and where considered able to contribute with rich and relevant information. The result shows that the commerce in Umeå will be significantly strengthened in the context of a new external commercial establishment when the city?s overall attractiveness increases.

Studies have shown that mergers and acquisitions often fail and that a reason to this might be that investment banks do not take any responsibility for the post merger integration. Despite this there have been no studies of the potential benefits of an investment bank taking a holistic approach to the M&A-process and including post merger integration in its service. This study identifies a couple of investment banks that does this and calls them holistic investment banks. In M&A-theory a successful process is often described according to so called success factors that need to be fulfilled in order to achieve a successful result of the merger or acquisition. The business model and work approach of one holistic investment bank is analyzed in this case study on the base of seven success factors from established theories.

The purpose of this masters? thesis is to investigate how public librarians perceive privacy in connection with new technology in libraries. The main research questions are: - How do librarians experience the phenomenon privacy in the library?- How do librarians experience the relation between privacy and technology in the library?- What does this say about the relationship between privacy, technological development and library work?The study was performed with a phenomenographic methodological approach. The material consists of qualitative interviews with eight librarians who work at public libraries where the technology RFID (Radio Frequency Identification) has been implemented.

The aim of this study is to investigate and analyze the potential effects on a number of social workers that may arise from listening to stories of domestic violence, and how these social workers deal with the potential effects. The study is based on qualitative interviews with seven social workers that work with domestic violence. The theoretical perspective that we used was the theory of coping. The results of this study have indicated that the respondents have been affected of listening to the stories of domestic violence. Examples of different impacts that the work has had on some of the social workers is that they avoid movies and/or books with elements of violence, they are more aware of the domestic violence in the surroundings and there has also been changes in their cognitive schemas.

In hydropower plants it is necessary to always have local power supply. Therefore, the plants are equipped with batteries as stationary back up power. Vattenfall Vattenkraft is using lead acid batteries but has been investigating alternatives to replace them. The aim of this study is to investigate the potential of using Li-ion technology as back up power.The study showed that Li-ion batteries have many qualities. The Li-ion technology will decrease the space and maintenance demand.

Our purpose is to display the meaning of fan clubs and further reveal the potential value of fans. This study has an abductive approach with a qualitative data collection, where empirical material has been collected through a micro netnographic study along with qualitative interviews. IKEA and IKEA Family have been applied together with virtual fan clubs to study the fan club phenomenon. The study is based on prior literature concerning loyalty, customer clubs and brand relations. This theoretical framework was chosen to fulfil the purpose of unveiling the meaning of fan clubs and the potential value of fans.

Objective: To investigate the experiences of ambulance nurses when using Boussignac CPAPcompared to their previous model, and their suggestions for possible improvements in the use of CPAP in the care of patients with pulmonary oedema. Method: A qualitative study with a descriptive and exploratory approach. Data was collected through ten semi-structured interviews with ambulance nurses, seven men and three women. The analysis was conducted using Lundman and Graneheim?s content analysis.

With rising energy prices and the threat of climate change, energy costs and energy savings havebecome a central and important part in building. Therefore it is interesting to explore different andnon-conventional methods of energy conservation. Building Earth sheltered houses is such a method.Earth provides good insulation and provides the ability to both reduce the total heating needs and toreduce the maximum power demand. The aim of this study was to construct a house in Malmö and seeif Earth sheltered houses can be a cost effective alternative for the construction of sustainable andenergy-efficient houses.Previous studies have shown that Earth sheltered houses have reduced their power requirement with upto 25% and their use of energy with 10%. Numerical calculations in Comsol Multiphysic 4.2, wasperformed on a house with different degrees of earth covering.