In the production of pulp, paper and cardboard, a large amount of water is used daily. The water has to be purified in the internal purifying plant before it reaches the receiving body of water. In the biological purifying stage at the Stora Enso Skoghall mill, an aerated basin is used where the microorganisms, using oxygen, oxidize the organic material to carbon dioxide. The air is pumped from the bottom of the basin and the oxygen can then be transported from the air bubbles to the water through diffusion. The problem with aeration of waste water from the forest industry is that wood residues, such as fatty acids, are making the transport of oxygen in water more difficult.

The focus of our dissertation is masculinity which is often a topic of debate in today?s society concerning areas such as violence, sport and paternal leave. Male studies are a relatively new field which means there is a lot remaining to be explored. We have chosen to explore how social class reflects on male identity. The reason we have chosen social class as a variable is due to a focus in the general debate of identity amongst the social sciences towards identities formed through consumption in the world of global mass-media.

Environmental destruction is a growing problem in our world. Almost every day there are new reports concerning that we have to do something about the greenhouse gasses. Simultaneously is the human constantly more eager to have a life with higher standards and therefore uses more energy. The environment is a question that is highly up-to-date and more people try to find solutions on how to save our planet. One way to decrease the energy demand is to build passive houses, where the houses don?t have any active heating.

Sweden is going through big changes within the bank sector. Increasing card usage, decrease of cash acceptance in the society, an attempt to reduce money laundering, and a possible increase in profitability has lead to the rescindment of cash management among three of the four major banks. This has lead to a big debate in the society, a lot of frustration from customers, and a drop in customer satisfaction for every bank that started the process of removing cash management. The purpose of this study is to find out how the banks could keep their customer satisfaction when removing cash management. When doing the study, the rescindment of cash was a deduction of a part of the service, compared to the normal adding or starting of a service. The study was done through a focus group that was the base of a questionnaire that got answered by 125 respondents.

This paper aims to explore the phenomenon urban wind energy, its visual effect on built environment and the factors that affect the opinion towards new elements in the city. A place study of the city Gävle serves as a complement to the theoretical part of the paper. The theoretical discussion opens with an account for the technical and economical conditions of urban wind energy. It presents the technical basics, different types of turbines and a discussion occurring wind related techniques in built environment. Today, the knowledge of how the wind moves and acts in the rural landscape is quite good.

This report describes the master thesis project ?Weight Optimization of a Composite Chassis for a Multimodal Lightweight Vehicle? which is a part of the Master program in Naval Architecture and a part of a research project at the Centre for Naval Architecture, KTH. Demands on smart and energy efficient transport solutions are continuously increasing. In the Stockholm region the citizens are expected to increase with 25% and the road vehicles with 80% until 2030, putting high demands on the traffic system. Using a small multimodal vehicle deals with this problem and uses both the land and waterways for transportation.

 The theme of this essay arises from problematic pictures which travel journalism can bring about foreign countries, and in this specific case Mexico. These pictures can be problematic in the way that they can carry colonial elements and form colonial discourses. The main purpose of this study is therefore to investigate the Swedish travel magazines, Vagabond, RES and Allt om resor, and how they portray places and people in the written texts and photographs. This was done with a postcolonial and discourse theoretical framework, whereas empowerment of certain pictures can lead to formation of discourses, myths and stereotypes about places and people in Mexico. The method used to reveal different aspects of the travel reports was semiotic analysis, Norman Fairclough?s critical discourse analysis and critical linguistics.

The presence of cystic ovarian follicles represents an important ovarian dysfunction and is a major cause of reproductive failure in dairy cattle. A cystic ovarian follicle is a persistent follicular-like structure on one or both of the ovaries. It is at least 2,5cm in diameter and it has to persist for at least ten days while a corpus luteum is missing. There are two kinds of cystic ovarian follicles, those who have a progesterone production and those who have not. A clear definition for this condition is lacking, probably because the heterogeneity of the clinical signs and the complexity of the disorder.

This study is intended to study how the social worker in financial assistance relates to the social workers exercise of its authority, regarding the Social Services Act and the Administrative Procedures Act. In concerning how the social worker treats and handles the cases of their clients, but also what significancethe organization's policies and goals have on the social worker?s role and the formation of their professional identity. To answer these questions the study chose a qualitative approach. Because the purpose of this study is to investigate the social worker?s personal beliefs about their way of conducting social work.

Humanity stands before a huge challenge to lower its emissions of carbon dioxide and its use of energy at the same time as the global population is rising and the developing countries are being industrialized. A lot of newly built buildings are due to this challenge, designed to be more energy efficient but also use renewable energy resources instead of pollutant fossil fuels .Solar energy is one of the purest forms of energy that exists in abundant amounts, which is why it is most likely that it could come to play a major part in the future energy market. The main purpose of this report is to investigate the possibility to implement a sustainable energy system with solar thermal heat and  heat storage as main sources of energy in the neighborhood ?kvarteret Lagern?, which is the area where the old football stadium ?Rasunda Stadion? was located. New developments within different heat storage techniques have opened up new approaches to enable buildings an all year round heat supply from solar energy. This report will focus on heat storage in boreholes. At the present here is only a preliminary plan of how the neighborhood is supposed to be designed.

This paper is about how transport companies in the future will be able to adapt their activity to an environmentally sustainable development without the effect of negative company economic consequences. Today, the environmental threat is a global problem and knowledge about that effluent of carbon dioxide have a negative impact on the climate is generally known. A transport system that works well is important for Sweden, but the sector has a negative impact on the environment. Regulation and legislation for increased environmental requirements often meets resistance and fear that the work will be hampered by increased costs for environmental work that can lead to an international decrease in competitiveness. The transport companies have outside pressure from the society to do something about the environmental issue, however the companies? customers are not ready to pay a higher price for environmental work.

An increased awareness about the global warming has created a demand for more information on how the climate is affected by different activities.This master thesis was initiated by Tricorona, a Swedish company that offers its customers analysis and calculation of their climate impact. Tricorona also supplies climate neutralisation with CERs, in accordance with the Kyoto protocol and controlled by the UN. This work demands updated emission factors for greenhouse gases. An emission factor gives information about the greenhouse gasintensity of a service or a product [kg CO2-eq./ functional unit].The purpose of this thesis is to examine how electricity, district heating, hotels, taxis, food and materials affect the climate and how emission factors for these areas can be calculated.This was done by reviewing and comparing different studies and by interviewing experts. The information was evaluated and recommendations on calculations and emission factors were made.The consumption of energy is the main source of greenhouse gas emissions for district heating, electricity, hotels, taxis and materials.

Water hardness indicates the concentration of calcium and magnesium ions in water. Water with high concentrations of these ions is described as hard water and water with low concentrations is described as soft water. Water that is too hard or too soft can lead to technical and economical problems. In collaboration with Midvatten AB, groundwater hardness in the Badelunda esker between Leksand and Avesta has been mapped, and an attempt has been made to explain the variations. For this purpose, different GIS programs, such as ArcView, ArcInfo, IDIRISI, and one geochemical modelling program, PHREEQC, has been used.

Actors deliberately change their preferences, contrary to the assumptions of rational decision models. This study shows why, and to some extent how. Preferences are necessarily ambiguous and unstable. Rationality is a regulating myth which has had a profound influence on Western conceptions of what an actor is.The aim of this study is to help individual actors understand the theoretical grounds of their actions. The analysis provides tools for examining decision methods and preference changes.

Contemporary society focuses heavily on the individual and this is also characterized by an individual thinking that many people contribute to. This is furthermore shared in the field of entrepreneur research studies where a profound deal of time has been focused on the personal qualities of specific entrepreneurs. However, in modern settings today many corporations originate in a team-based structure, which therefore leads towards a different approach rather than examining exclusively on individuality. Previous research shows that entrepreneurial teams are establishing and growing at a steady pace, yet studies within this field has not developed in an extensive fashion. Entrepreneurial teams can be defined as a group of people who share a common goal, usually consisting of two or more individuals who commenced a foundation from the early stages of that specific firm and who originated an initial idea.