Aquatic organisms are usually not exposed to single substances but rather to mixtures of toxicants in streams located in agricultural areas. The transport of pesticides used in the agricultural area in Sweden is monitored with continuous environmental supervision every year. During 2002-2008 an average of 10 pesticides were found in each sample and 40% of the samples contained substances with concentrations higher than the Water Quality Standards. Chemical risk management is normally based on single-test evaluations. A problem when assessing mixture toxicities is that the constituents and concentrations of pollutants in the environment vary greatly.

Injuries to the suspensory ligament represent a huge problem in equine veterinary medicine. As many of the affected horses are elite-competition athletes, there are high expectations on veterinarians to make these horses fully functional again. The suspensory ligament has several features which makes the healing process complicated. So far no treatment has shown to optimize the healing process. This has led to the testing of many new treatment methods, in order to find a consensus for the injury.

Banks have been some of the biggest operators on the market of business customers financing. When the Swedish Förmånsrättslagen was changed 2004 the banks became more restrictive to allow traditional bank loans. The change made it more difficult for customers to get their loans granted. For that reason customers had to find other forms of financing. Factoring is an alternative that means companies can mortage/sell their claim on customers to finance companies.

Development and accuracy tests of advanced exchange trading systems require well adjusted tools for testing. Aptness of these tools are probable to have a major impact on identification of bugs and verification of new functionality. Identifying erroneous parts and bottlenecks of the trading system is of outmost importance for the exchange as a whole since stability and correctness are two of the determinant factors its viability is measured by. This paper covers how this test-tool was created and the motivation behind the design choices made. The tool was created with the goal to be broad enough to cover the majority of cases that could arise, fast enough to be able to test the trading systems speed limitations (i.e.

In my study, I have chosen to examine how the user interface and content must conform to design guidelines for responsive design makes it suitable for diverse desktop environment and for varied mobile platforms. The purpose of this study is to examine the extent recommended design guidelines based on scientific research has a positive impact on user performance and perception when using this study delivered hi-fi prototype. The goal of this study is to provide a Hi-Fi prototype with high usability that will introduce and inform the public about BrasilCine according specifications. Study findings from user testing and supplementary questionnaires show that the implemented technologies as design guidelines for responsive design and design features have a positive impact on user performance and perception. The study results are therefore relevant for further prototype development..

When rubber equipment in a milking system ages, physical and chemical deterioration occurs and cracks, crevices, as well as deposits of organic and inorganic material is formed on the surface. Bacterial colonization can accumulate, especially on ageing rubber equipment and if the cleaning procedure is not functioning properly. Formation of biofilm in milking equipment could in turn cause bacterial contamination of bulk tank milk. ATP bioluminescence is a fast and easy way to determine the hygienic status of a surface based on its ATP content, and results are given in relative light units (RLU). The method measures both bacterial contamination as well as residues from other organic material.

Sport horses are widely used for performance in jumping, dressage, endurance etc. To enable comparisons of horses, training facilities, programs or physical status, an exercise test can be used. Exercise tests are also important to increase knowledge about exercise physiology of the horse considering different ways of training to compare training methods or individual qualities, development of an individual or other investigations of equine exercise physiology. Since several investigations are done on standard- and thoroughbred horses but less on sport horses, it is of great importance to get an overview of the investigations done. Most common is to investigate heart rate and lactate concentration.

The purpose of this thesis work was to develop an automatic fault detection system for surveillance of bearing temperature in hydropower turbines. The parameters used except the bearing temperature were cooling water temperature and cooling water flow. A simple static model based on data sampled every minute was developed to estimate the bearing temperature. Then a detector for detection of change in bearing temperature based on the CUSUM-algorithm was designed. Since the amount of data was very small the developed model was too uncertain to be used in a working system.The designed fault detection system showed to work well for the available data.

The purpose of this degree project was to build laboratory equipment for a new course in power electronics that starts this autumn 2010 at Uppsala University. The equipment is intended for student labs and it covers the most important areas of the course including rectifying, buck-/boost-converters and PWM-modulation. It is built as one sealed unit where all the electronics are built-in but visible and it has a connection board where students safely can connect the different circuits. The project has advanced from theoretical studies of circuit design, choosing of components and simulations to drawing the printed circuit board (PCB), soldering, case building, final testing and troubleshooting - basically most steps from an early idea to a final product. Measurements on the final product gave about the same results as the earlier simulations of the circuits and the result is overall satisfying..

Micronic Laser Systems AB produces and develops machines for the photo mask production market. One of their products is the Omega machine which exposes photo masks using 5 laser beams simultaneously. It is important that the distance between the each laser beam, the x-separation, is the same. The x-separation is today measured by exposing a photo mask with a certain pattern and thereafter measured with a metrology system. This takes to much time and it is desired to find a faster method to measure the x-separation without loosing precision.The task for this master thesis is to improve an existing measurement method which uses a calibration mask.

The Thesis purpose is in the context of system development validate the Scrum Methodology. Projects concerning information technology are difficult to manage and tend to fail in quality, time or costs. Scrum presents a new view of the system development. Better cooperation between customers and developers, continuous follow-up on daily basis and extensive communication in the development team are all characteristics of Scrum. Scrum is described as a new paradigm by its founders but has been criticized by experts of system development too.

Automatisk sparning i datorprogram underso?ks fra?n perspektivet hur anva?ndare upplever tryggheten till att deras arbete ska finnas kvar na?r de arbetar med en dator, och hur de reagerar pa? en ny typ av design. Det finns ett problem som ligger i hur datorer rent tekniskt a?r uppbyggda, ja?mfo?rt med hur datoranva?ndare a?r vana att objekt fungerar i verkligheten. Nuvarande och gamla dator- program har tittats pa? fo?r att se hur de har lo?st funktionerna kring sparning.

This master thesis attempts to answerthe question if a startup with amaterial innovation needs a specialbusiness development model. Mainstreambusiness development literature is notwell adapted to the rigor of testing anew material and bringing it tomarket. This was studied using threedifferent methods. First of thetheories that are considered canonicalfor high tech business development wasexamined. The next step was to go into the role of a business developer inone of the hottest high tech materialinnovation startups this decade,Disruptive Materials.

I nästan alla moderna datorspel så återfinns datorstyrda karaktärer, vilka behöver kunna navigera i spelvärlden. Dessa karaktärer kan vara olika typer av fiender i ett förstapersonskjutarspel, eller motståndare och medhjälpare i ett sportspel (exempelvis fotboll- eller rallyspel) med mera. Det finns många tekniker för att realisera vägplanering och det kan vara stora skillnader, både prestandamässiga och funktionella, mellan dem. Detta arbete jämför två olika sökrymdsrepresentationer för vägplanering, nämligen vägpunktsgrafer och navigationsnät, där sökrymderna automatgenererats. Jämförelsen görs med ett experiment och avser såväl prestanda (tids- och minneskostnad) som funktionalitet (optimal väg och antal svängar).

This report describes the construction and development of a control box, which is a tool for testing and verifying a certain model of Rapid?s built in staplers (model A6102). Basically the function of the control box is to interpret any errors that may occur in the stapler and to make it possible to test fire the stapler.The control box should be able to communicate with the stapler using a specialized communication protocol. The different data such as errors, firmware etc. from the stapler is presented in plain language on a display.