In Sweden more than 400 000 private households have not yet sufficient wastewater purification. These effluent is considered as an increasing problem and many onsite purification methods have been studied. In this investigation, the method of reactive bed filters have been tested by column and batch experiments. Five different kinds of filter materials with reactive surfaces have been studied concerning their capacity to absorb ammonium and phosphorus from wastewater. The materials that were examined are Filtra N, wollastonite Filtra P, blast furnace slag and Polonite®.

This is an essay concerning the density of the city. An increasing amount of today?s cities have a shortage of space available for the erection of new buildings and settlements, especially in areas close to the city-centre. New buildings and settlements are therefore often found in the outskirts of the city, resulting in long distances between work and living for many people. These long distances are a waste of limited resources and are inconsistent with the vision of the sustainable city.The challenge for the future is to insert new buildings and settlements in the existing city-structure and in this way reduce the distances between different city-functions.The density of the city can be increased in two different ways; by inserting new buildings between existing ones or by extension existing buildings, for example by an additional floor.

Single vehicle accidents are one of the most common types of accidents that occur on the Swedish road network. Depending on the design of the road, the presence of a crash barrier and embankment on the roadside, the outcome of a roadside collision can lead to serious injuries and even deaths.The aim of this project is to investigate the possibility of improving road safety by designing the optimal roadside area based on the results of a life cycle cost analysis (LCC).The questions that have been answered during the duration of this project are:1) Describe the current technical solutions for roadside area design and the various barrier types used in Sweden.2) Complete an existing mathematical model that has been developed by Hawzheen Karim, for calculating life-cycle costs for various roadside areas.3) Calculate and compare the life cycle costs for the side area with a barrier and without a barrier.By performing an analysis of the documentation on the current guidelines and rules for shaping the roadside, was it possible to describe the current technical solutions for the formation the roadside as well as the current roadside barriers in use today. A mathematical model for calculating the life cycle costs of different barrier types had already been developed by Hawzheen Karim. This model was supplemented so that it could calculate life-cycle costs of the roadside region with and without a barrier. After the model was completed, an analysis was performed to obtain life-cycle costs of a roadside with and without a barrier.The result showed that there is a clear relationship between the slope inclination, fill height, and the rate at which the costs rise.

The production of ferrochromium alloys at Vargön Alloys AB contributes to formation of unwanted ferrochromium dust, which contains toxic Cr(VI). The dust is since summer 2005 treated with an iron-sulphate solution to reduce Cr(VI) to the non-toxic Cr(III). A year later the treatment technique was improved and disposal occurs in cells on the landfill. The cells can be up to 300 m3 and the edges can be made out of fro example concrete. Tests are conducted on the treated dust when it is disposed.

Dental implants that are integrated into the jaw bones are widely used to replace lost teeth in human beings. Tooth-loss is often related to loss of the surrounding alveolar bone. This can make implant placement difficult and a bone substituting material may be required. The standard method is to use a bone graft harvested from the patient which requires additional surgery than that needed for implant placement. Limitations in the amount of bone that can be harvested also pose a problem.

In the beginning of the 1860s, an important railway was built between Malmö and Stockholm. The railway became one of the most important projects that would influence the entire southern Sweden. The railway line was located to areas outside the ordinary routes and a number of communities were built up along its way.Älmhult was one of the communities that was built up due to the railway. In the beginning there were only a few farms and a station, but a community developed and the village grew. In 1901 the village became a small market town, which was an important event.

Urban trees have very little in common with trees on natural sites, such as forests or pastures. Trees in urban environments are often planted in packed soil and in small volumes. This can lead to decreased availability of water and oxygen, as well as deteriorated ability for the soil to store nutritional elements. Also above ground the tree usually have limited space in cities. Regulations on free height over roads and cycle tracks demands high stems at an early stage of their development.

Social capital is a relatively new concept that has received considerable attention in various community branches. The concept relates to people?s contact and relationship with each other, where their social network is seen as a resource. An extensive network of contacts and trust between people often go hand in hand. People with high social capital have high trust in their fellow human beings and vice versa.

AbstractTitle: Den mångtydiga svenskheten: En studie av det svensk-amerikanska föreningslivet i Kalifornien utifrån en etnisk aspekt 1910 & 1915. (The multiplicity of Swedishness: A study of the Swedish-American society?s associations in California from an ethnic point of wiew 1910 & 1915.Author: Joakim FranssonMaster Thesis in History (10p)Växjö UniversityThe purpose of this thesis is to examine the Swedish-American associations in San Francisco and Los Angeles and how they withheld or/and formed a Swedish or American ethnic identity. The primary source for obtaining that objective is the newspapers Vestkusten and California Veckoblad were the announcements from the associations are analysed. The thesis main questions are as following: Which ethnic aspects appears in the announcements from the Swedish-American associations in the newspapers Vestkusten and California Veckoblad 1910 and 1915? And What similarities and differences in the ethnic expressions appears in the primary sources during these periods?The conclusions can be briefed as there was a great variety of Swedish-American associations during the examined periods, there was a frequent occurrence in both religious and secular movements.

The purpose of this essay is to acquire variables that explain and may be used as a base for wage estimation in the private sector in Sweden. The factors that are assumed to have an impact on wage estimation are based on earlier Swedish and international studies. Business survey data, which is based upon monthly questions to firms in various sectors of the Swedish economy posed by the Swedish National Institute of Economic Research, will be analyzed to find out weather they have an impact on Swedish wage settings or not. Tests including business survey data are yet rarely frequent, why this essay will be some kind of a pioneer within the area. To estimate significant factors that influence wage setting in Sweden, three different wage equations have been modeled and tested with a regression model.

This master thesis examines commercial video games and their relation to the concept of immersion and realism. Games as a communicative medium is quite a new area of interest within rhetorical research in Sweden. Most of the research conducted has, however, been focused on gaming and formation on opinion ? games that explicitly tries to persuade the player, unlike commercial games that focus on entertainment, that is. But that does not mean that commercial games cannot influence us.

Servitut som inte uppfyller något ändamål eller inte använts under väldigt lång tid kallas onyttiga servitut. Ett onyttigt servitut försvinner inte automatiskt från Fastighetsregistret utan kvarstår och skapar en onödig belastning. Syftet med examensarbetet är att utreda hur hanteringen av servitut kan förbättras för att minska antalet onyttiga servitut i Fastighetsregistret.De metoder som används är en litteraturstudie och en intervjustudie. I litteraturstudien undersöks svensk lagstiftning och juridisk litteratur. Utdrag ur Fastighetsregistret och förrättningsakt visas för att ge praktiska exempel.

The intention of this thesis is, from a basic statistical viewpoint, to capture the relationship between the price of electricity and a sample of factors influencing the price. The thesis also aims at investigating whether knowledge about the relationship is useful when investing on Nord Pool. Tested factors are temperature, import, price of emission rights as well as a number of hydrological factors. The investigated period stretches from year 2000 until week 32 year 2007. The relevance of each factor was also evaluated yearly as well as for shorter periods in order to get a more comprehensive view of the relationship.

The demands for higher production yields and better quality materials from the forests are increasing globally. Tree breeding programs are directed to meet the future demands on forests. In order to capture the full benefits from the breeding programs, clonal propagation is necessary. For most conifer species, somatic embryogenesis (SE) is the only available option for large scale clonal propagation of Elite clonal material. For Norway spruce (Picea abies L.

Publicering av hållbarhetsredovisningar blir allt vanligare. Med vetskapen om att det är en frivillig handling för alla företag förutom de statligt ägda, kan man ställa sig frågan: varför väljer företag att hållbarhetsredovisa? Hur kan detta komma sig när vanliga konsumenter inte intresserar sig för ett företags årsredovisningar där hållbarhetsredovisningen oftast publiceras? En tänkbar anledning till att företag hållbarhetsredovisar är att de utåt vill visa ett socialt ansvarstagande, men samtidigt visar forskning att konsumenter inte läser företags redovisningar. Därför ställde vi frågan: Hur förklaras nordiska detaljhandelsföretags arbete med hållbarhetsredovisning?Syftet med denna studie är att förklara omfattningen och innehållet av in-formation som ges ut av detaljhandelsföretag, beroende på storlek, industri, lönsamhet, ägarstruktur och ägaridentitet.Av de 58 företagen som granskats i denna uppsats har samtliga företag, i mer eller mindre omfattning, redovisat om sitt arbete med sociala- och miljöfrågor i sina årsredovisningar.I undersökningen har variablerna storlek, avkastning på eget kapital, ägarstruktur samt totalt avslöjande använts.