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 describes the development ofa linear guidance system suited for NORCAN's aluminium profiles. The work took place at LP Innovation, a small technical consulting company, located in Uppsala. The work started with gathering and searching for information. A lot of the information was found in product catalogs, but my supervisor was also a great source of knowledge, as well as the other engineers at the company. I also had the opportunity to work with the rea lprofiles, to get a feeling and greater understanding how they were supposed to be used. With the use of sketching and CAD, a number of concepts were generated.

This project was intended to develop and improve my skills as an artist/designer. I have used inspirational sources and followedmy artist?s intuition to create something that is individual and a reflection of myself.My goal was to design 7-10 compositions and apply them to t-shirts and then create a photo arrangement with these t-shirts to make a strong artistic presentation.I chose to apply my images to t-shirts, because I feel that the tshirt is a perfect median to display pieces of art. My process has been very non-linear in nature. Trial and error,experimentation and my gut feeling have strongly influenced the progression of my design process and guided me to new ideas.I feel that with this project I have succeeded in fulfilling my goals to develop and improve my skills as an artist/designer..

Two post milkning teat dips (PMTD´s) were compared in an automatic milking system at Kungsängen Research Farm, owned by SLU (Swedish University of Agriculture) in Uppsala. In the experiment an evaluation system was used where teat condition regarding skin and teat ends was graded according to a scale where 1 was the best score and 5 the worst. The evaluation period was almost six months in total devided into four minor experimental periods. The technician scoring the teats did not know which PMTD that was currently used. Statistical analysis showed a significant difference between the two PMTD´s regarding teat skin condition, but not regarding teat ends.

I meet in my work as art teacher many students of different descent, were they, or their parents, have different school experience than the Swedish. This, in combination with therecent discussion after the Muhammad caricatures about the banning of images in Islamic religion, made me curious to study what art education in a Muslim country looked like. I went to visit the Maramra Egitim Köyü school in Istanbul, Turkey, and especially their art classesfrom grade five to eight, which are the same age of students that I have been working with thelast ten years. This was my first visit to Turkey.The question I ask is: What does the practice of Turkish art education look like, using the Marmara school as an example. Which discourses can I identify in the art teacher practice? What surprised me the most was the frequent visual exposure of the founder of the Turkishstate, Kemal Atatürk.

The aim of this thesis is to study the possibility of the existence of a specialist in bone tools manufacturing during the Mesolithic. The thesis describes the climate during the Mesolithic, argues for an experimental approach, and describes social organization in hunter-gatherer-groups and the processes behind cultural transmission. It also gives some examples of excavation sites in Scandinavia. An experiment simulating a teaching situation is made, in addition to the theoretical information, with the intent to explore how advanced the crafting of bone really is. The physical result is then studied and documented.

The aim of this study was to design short interventions based on the literature study, which will change the pupils? posture on mathematics and connections between problem-solving in mathematics and everyday life. An experimental group of 17 pupils in fifth grade participated in the study and were educated in everyday mathematics 20 minutes a day during four weeks. The intervention was measured in a pre- and after questionnaire, in order to control the design and discover possible changes in the pupils? posture on mathematics and connections between problems and everyday life.

In the 1970?s it was predicted that in the beginning of the 21st century there would be a timber shortage in Sweden and a large scale introduction of the exotic tree species lodgepole pine started. An introduction of a foreign tree species means a risk of a negative influence on the forests ecosystem. Today, the stands that were established in the 70?s are middle-aged and the effect on the forest floor vegetation can be studied.

This is a study of an experimental project called ?Eget företagande ? egen försörjning?. The aim of this thesis is to explore if the course self-employment in Swedish for immigrants will become a permanent activity. The study is based on interviews with participants from the projects management team and the interviews has been analysed with methodological inspiration from Jonas Söderlunds project competence model. The focus lies in the participant?s perception of the project work and their thoughts about the permanent activity of self-employment in the future.

The token economy program, which is a method for behaviour modification, has been used worldwide for different groups within different settings in order to vhange behaviour.Research has found the token economy program to be effective. However, research is limited to quantitative and experimental studies, and Swedish research in this field is brief. Nevertheless, the program is used in several institutions n Sweden. A qualitative study in Swedish settings could therefore be useful. The purpose of this paper is to examine the experiences of a token economy program using qualitative interviews.

With the fast development of Internet and the e-commerce during the last decades, retailers are now introducing online stores. This has been adopted as a common strategy within the industry and the phenomenon seems likely to increase over time. Theory based on brand extension is used in this study to explain the effects on brand attitude and the link with willingness to pay when a traditional retailer introduces an online store. We execute an experimental study in order to investigate the effects where we use the offline- and online channel as well as two brands with different strengths as independent variables. Results show that brand attitude and its link to willingness to pay transfers to the online channel.

Previous studies have pointed out the potential risks involved with targeting homosexual consumers by using ads with homosexual imagery in mainstream media. Many of these studies have indicated that there may be drawbacks with exposing heterosexuals to these kinds of advertisements. The purpose of this paper is to investigate whether this is true for all groups of heterosexual consumers. An experimental study was carried out to examine the effects of explicit homosexual imagery on a heterosexual group with a generally positive attitude towards homosexuality. Empirical evidence suggests that homosexual imagery does not elicit any negative reactions among these heterosexual consumers.

This thesis aims to present the essential background on how to perform climate changeimpact assessments, and to present the results from a climate impact assessment on waterbalance and nitrate leaching for an arable Swedish soil. The soil is a sandy soil in southwesternSweden, grown with spring cereals. This study is meant to be a benchmark example,and cannot be seen as a regional or national assessment for Sweden, rather as an approachto present and analyze the most important parts of these kinds of assessments.A dynamical simulation model (COUP, Jansson and Karlberg, 2004) was used for thisstudy. The model was parameterized and calibrated against data from an experimental site,located in Mellby in Hallands county, south western Sweden. Measurements were carriedout between 1st of April 1988 and 1st of April 1991.

One area of responsibility for a nurse is to alleviate suffering. Gender research has shown that there are differences between men and women. The aim of this literary study has been to elucidate men and women’s experience and expression of pain and to examine to what extent sex and gender influence which treatment the patient receive. The study is based on 21 scientific articles from the databases PubMed and Cinahl. The result shows that women experience and express more pain than men, postoperative and experimental. It is however not possible to draw any general conclusions in terms of the need for men and women to be treated in different ways.

This thesis aims to present the essential background on how to perform climate changeimpact assessments, and to present the results from a climate impact assessment on waterbalance and nitrate leaching for an arable Swedish soil. The soil is a sandy soil in southwesternSweden, grown with spring cereals. This study is meant to be a benchmark example,and cannot be seen as a regional or national assessment for Sweden, rather as an approachto present and analyze the most important parts of these kinds of assessments.A dynamical simulation model (COUP, Jansson and Karlberg, 2004) was used for thisstudy. The model was parameterized and calibrated against data from an experimental site,located in Mellby in Hallands county, south western Sweden. Measurements were carriedout between 1st of April 1988 and 1st of April 1991.