This study describes what impact activity within Wifstas, Matfors,Grönstas and Nolbys water protection areas have on the quality of the drinkingwater. It considers the use of the area, environmentally dangerous activitiesin the past and present, the geology?s part, what harm hydroelectric power damsmay cause if they break and how climate change might affect the area in thefuture. It also takes into consideration activities outside the waterprotection areas which might have a suspected impact on the water quality. Theresults of the study are that pollution from infrastructure such as roads, orwastewater from treatment plants may cause occasional contamination of thedrinking water, foremost due to flooding.

Denna uppsats undersöker huruvida vi med hjälp av Gustav von Schmalensees modifikation av Lanchesters kvadratiska N2-Law kan bestyrka eller falsifiera teorin att en kustflotta med hjälp av en amfibisk miljö kan slå en på pappret överlägsen motståndare. Den komplexa miljö som en kustremsa eller skärgård utgör påverkar en högsjöflottas kapacitet att utgöra ett hot mot en kustflotta vars taktik är anpassad för terrängen och de synergieffekter som den ger. Uppsatsen försöker påvisa hur stor inverkan variabeln geografi har i sammanhanget.Vidare undersöker uppsatsen huruvida det är möjligt att förbättra von Schmalensees modifikation av Lanchesters N2-Law med hjälp av den faktiska sannolikheten för träff med sjömålsrobot inomskärs respektive utomskärs. Med hjälp av Försvarshögskolans sjökrigsspel Simple Surface Warfare Model (SSM) genomförs ett experiment där teorierna testas empiriskt.Resultaten visar en förbättring i prediceringen av stridsutfall med sjömålsrobot om koefficienten för den faktiska sannolikheten för träff räknas in i ekvationen. Vidare konstateras att en stark korrelation kan ses i en mindre kustflottas överlevnad i amfibisk miljö då de möter en på pappret överlägsen motståndare..

On October 17, 2012, TV4 broadcasted an episode of the documentary series Kalla fakta. The episode received a lot of attention when it revealed that Parken Zoo, a very popular destination for families, was not as well maintained beneath the surface as it gave the impression of being. The case attracted attention in all possible media for a long time, which led to a beginning of an extensive investigation of the Zoo.The purpose of this study is to examine how Parken Zoo handled the media after the examination of TV4?s Kalla fakta, and how it affected people?s confidence in the Zoo. This paper consists of an overall case study of Parken Zoo that can be divided into two different methods.

Water is vital for all life on earth. But it can also be dangerous, even fatal, if it is polluted water. 60 percent of child mortality can directly be deduced to dirty water. Not only developing countries are affected, even in the western world epidemics are breaking out by partake or bathing in dirty/polluted water.MIP, Molecularly Imprinted Polymers, is a biosensor technology that can provide faster and more reliable response than the current methods of water analysis. It is also cheaper and due to that more samples can be taken and analyzed.

Modern missiles must meet higher and higher demands. They should be autonomous, have long range and still have a big effect on the target. To maximize effect on target some missiles not only minimize miss distance, but also try to hit with a certain angle; often perpendicular to the surface of the target. In this thesis a method to guide the missile in the terminal phase of its mission where both point of impact as angle of impact are specified. The method consist of two parts.

As emission legislations across the world continuously pushes engine development forward,engineers constantly need to come up with and implement fuel saving technologies. During thelast decade, variable cam phasing has become a popular solution to increase gas exchangeefficiency. This configuration is typically mechanically constrained by camshaft limitations, anda solution to circumvent this problem would be to use a different valve actuation principle.One example of this is to use pressurized air controlled by electrical solenoids. Such a systemhas been developed byCargine Engineering and this provides the starting point for this work. Tobe able to operate the valvetrain on an actual engine, a control system is needed.

 In 2009, the responsibility for animal welfare was moved from the local authorities at the municipality(kommunerna) to the County Administrative Board(länsstyrelsen). This was a result of many differences between the different municipalities in how they handled animal welfare. Shoulder lesions of sows are a matter of opinion and therefore, a complicated question. Sows suffer from shoulder lesions for many reasons: e.g. the amount of straw available.

The tribo system ice-curling stone was investigated in order to understand the mechanisms behind the stones' behavior on the ice sheet. The problem with non-identical stones should also be addressed.The stone curls, that is, its sliding path deviates from a straight line to the right for a clock-wise rotation and to the left for a anti-clock-wise rotation. Several mechanisms to explain this behavior have been proposed over the years but none has been successful.By carrying out experiments at the local curling rink and studying silicon castings of ice- and stone-surfaces with scanning electron microscopy and vertical scanning interferometry, it has been decided that the curl is not due to dry friction, ice-debris or the difference in friction on the left and right side of the stone. The side force comes from the fact that the friction is higher at the back of the stone than at the front.The contact between stone and ice is never completely dry, nor in the hydrodynamic lubrication regime. It is probably a combination of hydrodynamic lubrication and a contribution from mechanical scratching of the ice.

Background: Postoperative infections are a serious patient safety problem and affects about 3 % of all patients undergoing surgery. The consequences are prolonged hospital stays, high social costs, increased use of antibiotics and impaired quality of life for the patient. It has been shown that postoperative infections may be caused by contamination already in the operating room. Today we know that there is growth of microorganisms on the instrument table´s top, but there is a research gap about the instrument table's edges.Aim: To examine if the sterile drape on the instrument table´s edges are sterile after finished surgery.Method: Contact plates are printed on strategically selected areas on the sterile drapes top and edges. In the pilot study, a total of 51 cultures were taken at the end of three operations which lasted over three hours.Results: Growth on the top surface and the edges of the sterile drape were detected.

The objective of this report was to analyse and compare vulnerability and preparation in Swedish municipal drinking water production, in case the commonly used water sources were inoperative. Methods used were a questionnaire and a less extensive study of regulations for water protection areas. The questionnaire was answered by 41 Swedish municipalities. A handful of them were companies co-owned by a few municipalities. Only one out of four municipalities had source protection areas to all their water sources and for many sources the protection was not satisfactory.

This paper examines the reasons behind firms considering backsourcing. While firms experience problems with their outsourcing activities, backsourcing emerges as an alternative solution. Firms primarily take cost considerations into account when reconsidering their outsourcing practices, but this only scratches the surface. A deeper analysis is needed, since cost increases arise from issues such as quality defects and cooperation problems. Even though production costs are low, outsourcing always implies transaction costs.

This essay deals with the diseases osteoporosis and osteoarthritis in a medieval population from Visby in Sweden. The aim has been to evaluate to what extent and in what way these diseases have influenced the people of a relatively large harbour town during the Middle Ages. 24 individuals were analysed osteologicaly and 19 of them became subject for measurements of bone density through DEXA readings. Furthermore four individuals were x-rayed based on external differences due to osteoarthritis and a change in the depression at the base of the medial surface of the greater trochanter. Similar studies have been made in Trondheim, Norway and Wharram Percy, Great Britain.

The Sand Catcher                                                       The thesis project The Sand Catcher investigates the encounter between permanent structures and an ever-changing landscape. The migrating sand dune Råbjerg Mile in northern Denmark is 40 meters high and moves more than 15 meters every year. By introducing a solid structure on the site, the fast movement of the sand dune is emphasised and thereby our view of time and space.Through intuitively building models with varied openings and densities I investigated how architectural elements react with sand. From these experiments a series of spatial features and effects were found, generated from the meeting with the sand.The Sand Catcher is a solid and permanent structure. The sand is the liquid element that generates new spaces, circulations and experiences.

Patients in intensive care are often intubated, and therefore unable to speak, which leads to difficulties in communication. The ICU is a very stressful environment and can be experienced as foreign and frightening by both patients and their close ones. The ICU nurse?s caring responsibilities includes both the care of the critically ill patient and the support of relatives who are often in shock. This balance is not always straightforward, and acting professionally in both instances can lead to problems.

Structural rationalizations and regionalization of the agricultural sector in Sweden has lead to unevenness in thedistribution of plant nutrients. Nutrients are lost from crop producing farms as harvest products are sold, whilefarms with animal production often have manure in excess of their needs. In addition to this the retention ofwater and nutrients in naturally occurring wetlands has decreased due to a reduction of wetlands in number andsize in the agricultural landscape. This increases nutrient levels in agricultural run-off and causes eutrophicationas well as nutrient losses from arable soils. One potential solution to both problems would be to store nutrientrichsurface water from agricultural areas and use it for irrigation of agricultural crops.