For several years Uppsala University together with several companies has been involved in a WISENET project aimed at improving railway transport security. By placing a sensor system near the wheels of each wagon, the temperature of the bearings can be measured and transmitted to a collector placed centrally on the wagon. This in turn transmits the collected data to RFID receivers placed intermittently along the railway.As the signals are transmitted wirelessly, problems may occur as the antennas get dirty or coated with ice and snow. To determine the effects of these coatings, several tests were performed examining the reflection coefficient S11, the impedance Z11 and the efficiency eta of an antenna, and how they varied when various coatings were placed over the antenna. Examined coatings were ice, snow and water to determine the effects of weather, and various metal-based coatings: powdered iron both pure and partially oxidized, and iron ore granules.

An individual's social capital consists largely of the social networks that may consist offamily, friends and acquaintances. The social network is of great significance on olderpeople's physical and mental health. Aim: The overall purpose is to examine the knowledgeof social network and the health of the elderly. Method: Litterature review, using threedifferent databases, CINAHL, PubMed and Scoupus for searching of articles, with differentcombinations of keywords. Results: Different types of social networks have both positive andnegative effects on health.

The purpose of this thesis is to identify the factors that drive efficiency and effectiveness in technical development projects performed at A?F?s department of product development. In addition to identifying and analyzing these factors, the thesis also analyzes what needs to be taken in to account in order to implement a measurement system that is able to both monitor and control the identified factors.The thesis has been performed in a qualitative manner. It is based on interviews with people from several different technological companies, within different lines of business, all of which are customers to A?F?s department of product development.The results show that there are seven critical factors for project efficiency and effectiveness.

The purpose of this essay was to examine the packaging design´s communications related to the colloquially brand's symbolic capital and how they became meaningful through experience and perceptions that led to the identification processes in the consumer society. There were eight interviews of snuff users who became my main collections materials. My theoretical framework was discourse psychology´s emphasis on language and Bourdieu´s concept provided important tools in the analysis of the material.I could highlight that packaging design and the brand had influenced the informants and given them symbolic beliefs and what it meant to sniff a certain brand. Color, brand awareness and price were crucial in choosing where the informants attributed themselves the cans symbolic values to their identity. It could be inferred high and low status perceptions based on stereotypes in the design itself..

This thesis investigates the regulation of hybrid work environments by focusing on the implementation of rules by both management and employees. It examines the methods used to measure compliance and the consequences of non-compliance within organizations. The study also explores how flexibility in work arrangements and the balance between work and personal life affect employee well-being and productivity. Furthermore, it highlights the critical role of self-leadership in navigating the complexities of hybrid work, emphasizing how effective self-management can enhance organizational efficiency and employee satisfaction. We have adopted a qualitative research approach and interviewed employees, managers, and HR personnel with experience in hybrid work. The different perspectives are expected to provide insights into this area by including all levels within an organization It is evident that organizations that have clearly established rules and guidelines regarding hybrid work have achieved the best desired results.

With increased deployment ofintermittent renewable energy, such aswind and solar power, energy storagebecomes necessary to help reduceproduction peaks. Thermoelectric EnergyStorage is a method still in researchphase, which stores electricity in hotwater at a temperature of 120 ° C. Thisthesis aims to examine whether theThermoelectric Energy Storage would bepossible to integrate into existingpower generation such as a combined heatand power plant, and how the technologypotentially could function in theelectricity market. ThermoelectricEnergy Storage consists of a chargingprocess and a discharging process, bothoperating by the working fluid CO2. Toincrease the efficiency of theThermoelectric Energy Storage, wasteheat from the district heating networkis integrated.A model of the Thermoelectric EnergyStorage has been developed and it wascalculated by thermodynamic propertiesof the working fluid, CO2, in thevarious process steps.

The aim of this essay is, with reference to a close study on the negotiation delegations of the Tenant Association, to examine the principals of democracy in relation to distribution of power and participation, efficiency and professionalism. This is done with the intention to understand the Tenant Association's view on its own commission as negotiator, according to democracy. The investigation is carried out on the Tenant Association in the Swedish cities of Stockholm, Malmö and Gothenborg.The data acquisition was obtained by using a questionnaire and through interviews with representatives from the Tenant Association negotiation delegation.A central conclusion from this investigation is that the representatives of the Tenant Association generally are satisfied with the democracy model used in the organisation, despite awareness of the fact that there are some failures with representation amongst younger people, women and immigrants. Also, they suggest that the model with representative democracy is by all means the most useful because of its arrangement and efficiency in decision making processes.The policies of the Tenant Association, considering distribution of power and participation between elected representatives and employees, are legitimated by the negotiation delegates. However, there is obvious discrepancy in the look upon their respective tasks between the delegates and the chief negotiators.One can recognise the development of democracy that is called New Public Management in this survey.

International expansion has long been associated with a positive trend that many companies, regardless of industry, choosing to realize mainly to expand its market share and hence its profitability. Various theories describe differentiated strategies to promote corporate expansion. Either they shall be financed by internal funds, or balancing equity with debt, or only increase leverage in order to achieve the desired results. This study focuses on the Swedish fashion market and its degree of internationalization. The purpose is to attempt to discern whether there exists a correlation between the degree of internationalization and its financial performance.The study was based on a quantitative approach where secondary data was collected so that we then would be able to perform regression calculations.

Spitz nevus was first described by Sophie Spitz in 1948 as juvenile melanoma. The lesion is a benign melanocytic tumor, which consists of epiteloid- and spindelshaped cells. Histological is spitz nevus difficult to distinguish from malign melanomas and spitzoid melanomas. Loss of symmetry, loss of maturation in the deep component, nuclear polymorphism and hyper chromatic nucleus are features which can be found in melanomas. Some of these features are often seen in spitz nevus.

Demand has become increasingly difficult to forecast in today?s volatile markets. Being able to produce towards real demand is becoming vital for companies, since inventories of finished goods are expensive to maintain and because miscalculated products tie up capital that in the end is never repaid. More and more companies are using postponement strategies to delay the process of producing until real demand has become known. Tooling Support Halmstad is a company within the manufacturing industry, which has become aware of the benefits with postponement strategies for parts of their production.

It was the purpose of the present study to explore thoughts and lines of reasonings concerning body perspectives in school. Based on students at a secondary school and on analyses of the curricula of the school, I reason about how we see the human being and the importance of it in school. In the introduction I start out from observations and highlight the body as a communicative channel leading up to the issue of students? basic view of man as integrated or devided in body and soul. A study of twelve interviews of students shows that thoughts about the two perspectives had not been identified until now but that a great deal of interest existed for discussion on this subject.

In the spring of 2014 Sweco Systems AB were commissioned to design a ventilation system for a newly built preschool in Linköping. Terms from the client was that it cost efficiency would cope with the energy demands that are placed on the building. The unit chosen was a cross-flow heat exchanger, and this work is to compare it with two other heat exchangers to see if a more energy and cost efficient could have been chosen. The heat exchangers that was chosen for the comparison was a rotating- and a counterflow heat exchanger. Simulations have been made to the different heat exchangers by the manufacturers.

The aim of this study is to find out in which way the education about climate in school is taught and how the students experience the world situation today. There are various theories about the greenhouse effect and its origin and these theories should be addressed to ensure that students get a broader understanding of how climate change occurs. This includes the natural phenomena and also the human impact on climate change. Students in school are a source of concern that only human are the cause of global warming, and know little or almost nothing about the natural phenomena of global warming.  I will mention what has emphasized in the national steering documents in the case of environmental education at school.I have used a qualitative method, where interviews and document analysis were used as techniques. The interviews took place with five students in ninth grade and with three science teachers in the same school..

For several years Uppsala University together with several companies has been involved in a WISENET project aimed at improving railway transport security. By placing a sensor system near the wheels of each wagon, the temperature of the bearings can be measured and transmitted to a collector placed centrally on the wagon. This in turn transmits the collected data to RFID receivers placed intermittently along the railway.As the signals are transmitted wirelessly, problems may occur as the antennas get dirty or coated with ice and snow. To determine the effects of these coatings, several tests were performed examining the reflection coefficient S11, the impedance Z11 and the efficiency eta of an antenna, and how they varied when various coatings were placed over the antenna. Examined coatings were ice, snow and water to determine the effects of weather, and various metal-based coatings: powdered iron both pure and partially oxidized, and iron ore granules.

Background and problem: The financial crisis 2008-2009 came out from an over-optimism among those who took the real estate loans in the U.S., and especially so-called subprime loans. After the 2008 financial crisis, it has become a global uncertainty in the financial market with low growth, and even financial crises in the euro countries have appeared. The real estate industry is a capital-intensive industry where companies have a high leverage to implement their investment. This means they have a larger proportion of debt relative to equity than companies in other industries. As investments require a lot of capital, real estate companies become dependent on having a working relationship with both the banks and the capital market.