Certain types of waste, e.g. bottom ash originating from municipal solid waste incineration (MSWI bottom ash) can be used as road construction materials. A potential problem is the possibility of substances leaching out of the road and spreading in the surrounding groundwater.The aim of this master?s thesis is to conclude whether hydrogeological type settings can be employed to, based on local conditions, provide an estimate of the probable spreading of these substances in the surrounding groundwater, and whether certain types of soils can be identified as being less suitable for the localization of a MSWI bottom ash road. A hydrogeological type setting is defined as a mappable unit with similar hydrogeological properties.

To get the maximal output of your exercise in gym machines, there are different factorsto be considered. For example the strength of the muscle varies dependent on the positionof the muscles. To get the best results of the exercise the load has to reduce and increaseat specific positions.This study was made in cooperation with Caretaker Scandinavia AB, a company forsales, marketing and development in health care. They are general agent for Nordic Gymwho works with manufacturing of equipment and machines for gym and fitness.The aim of this study was to generate a method of measurement to evaluate and controlthe biomechanics of Nordic Gym´s workout equipment. A protocol for an ergonomicanalysis on the equipment has also been elaborated.One of the methods to measure the biomechanics was to measure the torque through thewhole movement.

Background: The majority of the occupational accidents and work-related diseases at Swedish workplaces occur due to poor ergonomics during lifts and transportation of objects. The most common consequence of poor ergonomic conditions is low back pain (LBP) and the risk of developing LBP increases as the mechanical loading on the intervertebral disks grows. This study has investigated the biomechanical loading in the low back during two different types of patient lifts. The first lift (lift A) is developed by Modern Arbetsteknik (MA) and the second lift (lift B) is a common lifting technique among care workers. Objectives: The aim of the study was to identify any advantages or disadvantages with MA?s lift, regarding shear and compression forces in the L5/S1 disc.

 This degree project aims at developing a concept for how to use solar energy to pump up water. The target audience is people living in areas where the functioning of the electricity and water network is absent. In these areas, the hand-powered water pump is the most common technology. The degree project's goal is to find an economically viable alternative to the time consuming hand-powered water pumps. The power comes from solar energy.

Background: Today when leisure time is spent, spontaneous sports activities decrease, due to a more comfortable way of living and physical capacity among non active adolescents decreases. There for it´s interesting to see how the physical capacity level has changed over time among young people participating in organized leisure time sports.Studies around the world show that young people standing outside organized sport activities have tended to decrease their physical activity levels over the last few decades. Less leisure time is spent doing physical activity and sometimes gets put into context with increased time spent behind the computer or inactivity.Design: A retrospective study of the test results on physical capacity between 1982 and 2009 for students applying to Växjö track and field high school. A total of 635 students (15 years old) have done 11 physical tests during the years. Five of these tests, with enough participants (at least 100) and documentation over at least 10 years, were used in this study.Results: This study shows that young track and field athletes have maintained the same physical capacity from 1982 to 2009.

The objective of this thesis is to explore opportunities to enhance the phosphorus use efficiencyof inorganic fertilizers in crop production, with techniques available today and in thefuture. Phosphorus is a finite resource of declining quality; therefore a phosphorus use efficiencyin crop production of only 15-30 % is unacceptable. The main reason for low efficiencyis the retention by Ca and Mg in calcareous soils and Fe and Al in non-calcareoussoils. Due to the low mobility of phosphorus, plant uptake is mainly dependent on root growthrather than diffusion. Therefore, measurements need to be taken that benefit contact betweenroot and fertilizer, before fertilizer phosphorus becomes unavailable to the plant.

This thesis is the result of the investigation and solution of a mechanicalproblem regarding flywheel malfunctions. A flywheel is, in short, a devicethat relies on a rotating object?s moment of inertia to store energy overshort time spans. This project is part of the development of a fourthflywheel prototype at the division for electricity at Uppsala university,which uses magnetic levitation to keep a hollow cylinder rotating at veryhigh speeds inside a vacuum chamber. Should the magnets fail however, orsome other error occur that leads to an uncontrolled state of rotation, thecylinder needs to be stabilized mechanically by a device usually referredto as ?back-up bearing?.

The Working Hours Act regulates the working time conditions and together with the Working Time Directive of EU both acts aim to protect the workers. However, with The Swedish Model it is possible to diverge from the law-regulations by collective agreement by the parts of the Swedish labor market. The purpose of this thesis is to examine the national and international law regulations and further on study a few selected Swedish central collective agreements to discover in which extension deviation from the law occur. The sections of the Working Hours Act?s that has been investigated is ordinary working time, daily rest, weekly rest periods, breaks and maximum weekly working time.

At the turn of the year 2009/2010 there was a change in the regulations on sickness impact. This led to 328 persons in County of Kronoberg had an expired period of sickness benefit from the Social Insurance Office (Försäkringskassan) when they reached the maximum time for sickness or temporary disability compensation. These individuals were offered introductory programs with the employment services. The purpose of this study is to investigate how the population with expired period of sickness benefit from the Regional Social Insurance Office in the County of Kronoberg (Försäkringskassan Kronoberg) is described in the initial stage, and to explore how individuals who achieved expired period of sickness benefit from the Social Insurance Office (Försäkringskassan) talks about the meaning to get an expired period of sickness benefit regarding economic and social issues. The study was inspired by Grounded theory.

Many watersheds have lost stocks of migrating fish species because of the development of hydroelectric plants and other fragmenting barriers. The remaining stocks of migrating Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) in River Klarälven, Sweden are five times smaller compared to one hundred years ago. A fish-trap at the hydroelectric plant in Forshaga has been vital for the continued existence of the stocks. This is the first hydroelectric plant of eight, blocking the way to the spawning grounds. Spawners are collected in the trap for both hatchery and transport by truck upstream and past seven more hydroelectric plants to the spawning grounds, where they are released for possible natural reproduction.

Behovet av skogsbränslen har ökat i takt med en ökad efterfrågan av förnyelsebara energikällor, samtidigt som andelen skogar med ett omedelbart röjningsbehov stigit. Det har lett till att innovatörer letar efter nya system för skörd av biomassa i dessa bestånd. Syftet med denna studie var att modellera och analysera ett maskinsystem som är under utveckling för skörd av biomassa i klena förstagallringar. Maskinsystemet ska fälla, aptera och bunta träddelar i bestånden. Skördaren som utgör basen för konceptmaskinen är den fyrhjuliga modellen av Komatsu 901TX.1. På basenheten kommer det att monteras en helautomatiserad extrakran/leveranskran. Leveranskranen står för transporten av det skördade virket från skördaraggregatet till en helautomatiserad buntningsenhet. Resultatet som redovisas i rapporten har tagits fram genom simuleringar i simuleringsprogrammet Arena 5.0.

In Automatic Milking Systems (AMS), cows are kept in a free stall barn equipped with one or several milking units (MU). The cows? activities in the system are called cow traffic. There are three types of cow traffic systems: guided, partly-guided and free. Free systems have no gates, allowing the cows access to the feeding and resting areas at any time.

Idag besöker vi inte längre webbplatser enbart via datorer, utan även mobiltelefoner och surfplattor. För att göra interaktionen på en webbplats användbar via flera olika plattformar blir det allt vanligare med responsiv anpassning. Denna utveckling ställer högre krav på den grafiska formgivaren som bör ha god kunskap om de plattformar som designen tillämpas på för att nå högsta möjliga användbarhet. En grafisk formgivare ska alltså förstå vad användbarhet innebär och hur denna kunskap ska tillämpas i designen. Kandidatarbetet undersöker vad som definierar användbarhet och vad grafisk design bidrar till i skapandet av responsiva webbplatser.

This Master's thesis work was done at SLU, Uppsala, Sweden in cooperation with Upplandsstiftelsen and Uppsala County Council. The studied area is pointed out as an area for EU´s LIFE project, NATURA 2000, concerning the Scarabid beetle Osmoderma eremita. The studied area lies in an agricultural landscape rich on deciduous trees, about 15 km south of Enköping in the County of Uppland. The species is dependent on large, old, hollow trees, which are exposed to sunlight, usually oak trees in this area. I studied the area in detail concerning large old trees (>70cm ø), middle-aged oak trees and young oak trees.

We have been looking at three different types of agriculture in Södermanland, in the middle east of Sweden. We call the different types for Intensive, Extensive and Mix. The purpose is to get an economic defensible plan for how to run different farm sizes. We also have been looking at the working hours and how many hours the different types will give. We have a farm called Taxinge Gods as our pilot farm. Taxinge Gods grow 407 ha land and is located 60 km southwest from Stockholm.