During the last few years the presence of high arsenic (As) concentrations in ground water has been of major concern both internationally and in Sweden. Much evidence has been reported about toxic effects caused by arsenic. The carcinogenic effects and the possibility to measure the toxic impacts at low concentrations made the World Health Organisation (WHO) to reduce the guideline value from 50 to 10 ?g l-1 in 1993. In Sweden the corresponding reduction was implemented in 2003. Several surveys in Sweden have shown that high arsenic concentrations may occur in ground water.

An increasing number of heat pump producers have developed heat pumps that can be connected to solar panels. In this thesis we have examined the possibilities of connecting solar panels to existing ground source- and geothermal heat pumps that has not been adapted to solar panels. During the work process, a prototype plant has been built to compare our theory with the practical results and with our designed sizing tool. The work has rendered in knowledge that will be used to build a sun module that can be easily connect to the existing heat pump system. The existing heat pump, our test plant, has been supplemented by an advanced storage tank used to allow different operating modes.

The report assesses the typical questions regarding Corporate Social Responsibility within the automotive industry. An attempt as to whether Corporate Social Responsibility has an impact on growth companies is demonstrated. Volkswagen Group is within the required analytical criteria, which are to be studied. Also, the fact that they recently launched ?Strategy 2018? makes it even more interesting to immerse into.

The avowed aim in this project was to see how the Swedish egg production is today. My first question was if the Swedish egg producers egg production turn a profit. I have done five after calculation at five different egg producers with different systems from case to case. The difference has been the living system, the fodder and the egg price. They made a report in Uppsala, Sweden (Hoffman & Andersson, 1996), where the look forward to a Swedish cage ban and made calculations after that coming ban. After that they lift the Swedish ban of cages and the egg producers could invest in new cages who called the decorated cage.

Sweden will, in accordance with the EU-directive 2003/54/EC, move from post-regulating the electricity power grid-tariffs by using a fictitious grid, to a regulation in advance which uses the actual power grid as a starting point. For this purpose a component breakdown of the grid needs to be made to determine the value of the network and by that the tariff price that is reasonable for the network business in question to charge.The primary breakdown criteria is the voltage-level and type of region. Voltage-level is crucial for the cost and complexity of a grid-part, because the higher the voltagelevel is, there are more and stricter laws and rules to follow. This work is limited to the distributionpart of the grid, in other words voltage levels from 20 kV and below.The type of region is crucial to the type of components you can and want to use. In city environments both overhead-wires and independent substations are undesirable for both practical, safety and aesthetic reasons.

The aim of this study is to provide an investigation of an ?old? political phenomenon that over the recent years has enjoyed a considerable revival across Europe. This study about nationalism is mainly based on empirical second hand source material from literature and articles providing us with both a historical as well as a contemporary insight in this ideology. This study shows us the complexity and the difficulties that the academia is facing regarding nationalism due to the dynamic nature of the ideology, in the sense that it simply means different things to different peoples in different cultures across different points in time. The study is conducted by using a phenomenological, qualitative and inductive method of gathering and interpreting information.  A handful of books have formed the foundation through the gathering of relevant empirical information, along with articles from both scientific publications as well as the mainstream media. The data have been studied and laid out to make key points regarding nationalism and the theory behind it clear for the reader.

This study examines the scholarly communication activities in two scientific fields, chemistry and economics, in a Polish context. The dissertation aims at investigating what characterises the publishing choices of researchers and what supplementary forms for the dissemination of research output are used by scholars. In addition, the paper is looking into what are the views and awareness of open access and institutional repositories within this scientific community. This thesis gives the results of semi-structured interviews and an online survey at two academic faculties at a Polish technical university. As its theoretical framework, the study uses Whitley?s theory of the intellectual and social organisation of academic fields and Latour and Woolgar?s study regarding various motivations for publishing.

The purpose of this thesis is to collect knowledge of techniques and materials for planning roofgardens. Gardens built on top of buildings is not a new phenomenon, already in the beginning of the century architects were experimenting with roofgardens. During the Modern Era roofgardens appeared as a part of the design and worked well together with flat roofs and the ideas of light, air and greenery. Today the most common kind of roofgarden is on a ground-level joist that hides parking or other underground functions. The most important difference between planning a roofgarden and a garden on the ground is the limitation of the load of the roofgarden. Plants, paving-material and equipment must be chosen with this in mind. A light and thin layer of soil demands plants with small needs for water and nutrition.

The depth-to-water-index (DTW-index) is derived from digital elevation models (DEM) to map soil wetness, in terms of distance from soil surface to the ground water table. The aim of this GIS based study was to investigate the existence of a relationship between DTW-index and forest site productivity (SP). The belief of such an assumed relationship was based on knowledge that the ground water level is related to site properties that can either promote or impede tree growth. Data primarily comprised rasters of the Krycklan catchment in northern Sweden and depicted DTW-index and a laser scanned vegetation height. The 100th height percentile of each pixel in the vegetation raster was assumed to mirror the top-height, letting it act as a relative measure of SP within a delineated area of equal stand age.

SAMMANFATTNING?Ju fler som äger  frågan, desto bättre kommer resultatet att bli?Förskolechefers syn på att utbildningen i förskolan ska vila på vetenskaplig grund och beprövad erfarenhetAntal sidor: 28Från och med den 1 juli 2011 lyder förskolan under skollagen. Förskolan ses som första steget i utbildningsväsendet och utbildningen ska vila på vetenskaplig grund och beprövad erfarenhet. Studien syftar till att undersöka hur förskolechefer beskriver vetenskaplig grund och beprövad erfarenhet och hur de tänker att begreppen ska implementeras i verksamheten.Våra frågeställningar är:Hur uppfattar förskolecheferna   innebörden av begreppen vetenskaplig grund och beprövad erfarenhet och dess innebörd för den pedagogiska verksamheten?  På vilket sätt uppfattar de att dessa begrepp kan implementeras i verksamheten?För att få svar på våra frågor genomförde vi intervjuer med fyra förskolechefer.

The aim of this study was to describe the mental and social causes to obesity among children and adolescents, their consequences and what preventive interventions that are used. The method used by the authors was to search for scientific articles in the database Medline, using the keywords: obesity, overweight, child, body image, social, family, school, depression, nursing, quality of life, social support, prevention and support. The study was performed as a literature review, with a descriptive design, and the result contained 22 scientific articles. The main result of this study showed that obesity among children and adolescents is not only an individual problem, it affects the whole family. The main causes to obesity among children and adolescents are the socioeconomic status of the family, their lifestyle, and even gender to a certain degree.

The trend of social media is a global hit and now both individuals, businesses, celebrities and politicianshave their own social media pages, which means that the visibility increases and focus lies on what'swritten and published by the person. Mediated communication are everywhere around us and affects theway we communicate with each other and also the way we look at ourselves and most importantly how weportray ourselves. The individual's perspective has become a relevant issue with the rapid moderndevelopment. One's cultural identity can be seen as a life-long project.The purpose of this paper is to do an in-depth text analysis to examine how Swedish politicians constituteand construct identities, with a focus on "the self" and the "mediatization self" on the micro-blog Twitter.The theoretical ground for this study is from a discourse analysis point of view that focus on ?the self? andthe ?meditization self?.

The most predominant method for forest harvesting in Sweden is the cut-to-length method based on two-machines, a harvester that fells trees and cut them in a predefined length, and a forwarder which transports logs to a landing area for further transport to a processing facility. New machine solutions have to be much gentler to the ground than today?s machines. To be able to develop a forestry machine that preserves the terrain requires a proper understanding of the interaction between tire and soil.The goal of the project is to contribute to the existing knowledge of forest machine tire-soil interaction and to develop a tire-soil model that enables dynamic simulations of forest machines operating in rough terrain. The modeling has especially been focused on the interaction between tires and soft ground.A comparison of theoretical data of different WES-based terrain interaction models and a comparison test data from a full scale field test is presented.

This thesis discusses the attitudes versus methadone assisted rehabilitation ad modum Dole Nyswander in Sweden during the period 1972-2004. This is done by means of a Foucault inspired discourse analysis applied on the directions issued by the Board of Health and Social Affairs. The context in which these directions were created is also described, in which scientific achievements on methadone treatments during the period, and the main actors struggling to establish and define the discourse on narcotics and narcomania, are juxtaposed to the effects of the work of the Board. It is stated that the directions were largely affected not by scientific results and knowledge on methadone, but by the symbolic connotations of narcotics in Sweden established in the discourse already in the mid 1960´s. Also during the end of the studied period, after the occurence of AIDS had begun making methadone more broadly accepted, the findings of this thesis showed that the legacy of the 1970´s symtomtheory and its severe antagonism against methadone, was still present, in effect, in the discourse around methadone and subutex assisted rehabilitation, and so in the directions issued by the Board of Health and Social Affairs..

This report treats detection in IR-pictures taken from airplanes over the ground. The detection is divided in two parts. First there is a detection with filterkernels with the task to point on targets and objects that look like targets. The second part is a discriminator that demands more calculations and has the task to sort out the false alarms from the discriminator. Both the detector and the discriminator contain thresholds thats been trained from trainingsets of data.