Storm water is rain and melted snow that runs off, primarily from impervious surfaces.Future storm water management is facing the challenges of increased precipitation, asclimate changes, and increased areas of impervious surfaces due to the expansion anddensification of the cities. Impervious surfaces reduce the potential for water to infiltratein the ground leading to increased surface runoff and higher peak discharge.The runoff coefficient is closely related to the percentage of impervious surfaces andrepresents the maximum percentage of a catchment that can contribute to runoff. In thisstudy, the objective was to evaluate the weighted runoff coefficient for three differenturban types; apartment buildings, townhouses and residential areas and a comparisonbetween today and the 1970`s was made.The runoff coefficient was determined by manual mapping of the different surface typesin each area based on data in the form of orthophotos and aerial photographs. The surfacetypes that were mapped were asphalt, permeable areas, tiles, sand/gravel and roof.Tiles and sand/gravel were the most difficult surface types to map. In order to see towhat extent these categories influenced the weighted runoff coefficient a sensitivityanalysis was carried out and the runoff coefficient based on surface type was changed indifferent scenarios.The results of the sensitivity analysis showed that the surface types tiles and sand/gravelhad little impact on the weighted runoff coefficient which in mainly due to the fact thatthe percentage of these surfaces types of the total area is small.The result of the study showed that the largest change in the runoff coefficient occurredin residential areas where the increase in the percentage of impervious surfaces causedby new roofs in the form of porches and garages and from paved or tiled driveways.

During the past 30 years the fuels for energy production in heating and power plants have changed. Fossil fuels have decreased in usage whereas bio fuels in Sweden have increased with 60% since the 1970's. Different fuels affects combustion and the release of various substances and particles into the flue gas. This is caused by the diverse components and chemical structures of fossil fuels and bio fuels. When the flue gas leave the combustion chamber and enters the path to the chimney particles in the gas are being transported out of the combustion chamber.

ABSTRACTThe aim of the study was to examine the prevalence and the location as well as the registration of gingival recessions among patients between 20-29 years of age, who are treated on the Dental Hygienist Programme at the University of Kristianstad. The study was performed as a recording study, where the first page of the base record paper was examined. We examined 295 base records. The result showed that gingival recessions only were registered on 3 % (n=10). Most of the injuries, 53 % (n=157), had been registered as toothbrush trauma.

Jag har i mitt projekt jobbat med mönsterformgivning och produktion av vävda möbeltyger, digitaltryckta tapeter- och textilier för en fiktiv hemmiljö. Mina designbeslut grundar sig på en fiktiv karaktär, Mr Chester Jester, hans estetiska preferenser och behov i samrådan med mina egna. Arbetets resultat är en gestaltning av världen han lever i, komprimerad till ett hemma hos reportage på gränsen mellan verklighet och illusion. Jag har jobbat med dubbelhet och speglingar - av mönster, av rummet, av tekniker och mig själv. Jag har undersökt illusionens verklighet och verklighetens illusion.My bachelor project is a work of pattern design and production of woven upholstery fabrics, digital prints on textile materials and wallpaper, made for a fictional home environment.

The purpose of this project is to analyze and study the absorption of the substances ivermectin, spinosad and barettin to hydrophobic and hydrophilic surfaces, and to analyze and study if the barnacle larva are effected when they try to settle on the treated surface.Incubation tests with barnacle larva in Petri dishes were performed as well as absorption tests on hydrophobic and hydrophilic surfaces which were tested with ellipsometry. To determine the surface thickness.The barnacles were placed in hydrophobic as well as hydrophilic Petri dishes that had been incubated with ivermectin, spinosad or barettin. After four to six days the larva was counted to analyze the settling. From the results conclusions could be drawn about the adsorption abilities of the substances to the different surfaces.The barnacles were placed in hydrophobic as well as hydrophilic Petri dishes that had been incubated with ivermectin, spinosad or barettin. After four to six days the larva was counted to analyze the settling.

Background Research concerning footing and its contribution to injuries has been conducted primarily in racing Thoroughbreds. Studies in UK and Japan indicate that some specific factors could be responsible for an increase in performance-associated injuries. Researchers in Sweden have performed studies on Standardbred trotters. More research is needed to be done on equestrian sports since requirements on footing are not exactly the same in riding and trotting horses. The lack of scientific evidence on the construction of equestrian surfaces has lead to anecdotal validation of designs.

ABSTRACTMany wind turbines have problems with icing and there is still no effective method to de-ice without stoppage of production and power loss. Here I therefore consider other methods than those available today, and particularly, I consider how these methods could be applied to wind turbines of the company Oxel. A surface where the water droplets do not attach might be the basis for a useful method. If no water attaches, no ice could form. To accomplish this a hydrophobic surface is nessesary, for example wax.

As the volumes are entering the world of computer graphics the pure volume visualisation becomes a more important tool in for example research and medical applications. But the advance in haptics --- force feedback from the computer --- is behind. In volume haptics no equal to the proxy method so popular in surface haptics has yet emerged. Some implementations of volume haptics even use surfaces as intermediate representations so that surface haptics can be used.The intention of this work was to create natural feeling haptic feedback from volumetric density data using pure volume haptics. The haptic algorithm would be implemented in Reachin API for the Reachin Desktop Display, together with other parts to build up a usable volume visualisation environment.To achieve the feeling of stiffness and friction dependent on tissue type, a proxy based method was developed.

Preventive measurements as well as clinical caries diagnostics are vital to retain a good dental health in the population. In order for optimal caries diagnostics radiographs are used. There is a great intra- and intervariation regarding cariesprogression. A large number of tools for cariesprevention at home or in the clinic are today used. The aim of this journal study was to compare the progression of carieslesions in the approximal area, diagnosed on radiographs, and preventive measures used to reduce cariesprogression between two examine dates on two dental clinics.

This is a graduate work at the Swedish University of Agricultural Sciences, The Department of Urban and Rural Development, Ultuna. The purpose of this paper has been to find out and describe principles for designing parks that offers good recreational and aesthetical values and require little amount of carbon dioxide emissions during their maintenance. The purpose has also been to see if it's possible to use city wastewater in some extent to assure the plants water supply and to find other means to make it less necessary to use purified water for watering. Recently made studies as well as older ones show how important green areas are in dense city structures both from a health and a climate perspective. Trees and other plants adsorbs different forms of air pollution and can also lower the temperature in the surrounding area through their transpiration.

Being physically active is important for a healthty lifestyle, but what do the girls who have quit playing sports in an atheltic club do afterwards, or the girls who are not active within an athletic club what so ever. It is the girls who are not active in an athletic club that Karlstad municipality wants to attract to the spontaneous sports sites there are within the city limits. They also want the girls opinion on how to improve the sites in order for the girls to want to go there.The purpose with this study was to investigate this. This study used qalitative research method. The study interviewed seven girls aged 14-17 years.

Preventive measurements as well as clinical caries diagnostics are vital to retain a good dental health in the population. In order for optimal caries diagnostics radiographs are used. There is a great intra- and intervariation regarding cariesprogression. A large number of tools for cariesprevention at home or in the clinic are today used. The aim of this journal study was to compare the progression of carieslesions in the approximal area, diagnosed on radiographs, and preventive measures used to reduce cariesprogression between two examine dates on two dental clinics.

Denna rapport ger en bild över luftfilteroch dess funktioner. Syftet med arbetet var att undersöka hur elektriskt ledande luftfilter tillsammans med en joniseringsenhet fungerar samt hur de står sig i förhållande till de mekaniska.Det låg även i syftet att titta på hur andra parametrar påverkar filtrering såsom tjocklek och innehåll av olika andel konduktivt material. Bakgrunden till arbetet var att VokesAir AB hade testat att tillverka elektriskt ledande filter med jonisering i filtret vilket hade fungerat i lite skala men inte i större. Det gjorde att man i detta arbete ville titta på om det kunde fungera om man satte joniseringen utanför filtret istället. Nio stycken luftfilter tillverkades i ennon-woven konstruktion med olika andel konduktivt material och i olika tjocklekar.

Self-compacting concrete has soon been around for a decade. Recently the prefabrication industry has started to use this fairly new concrete type in larger scales, mainly because of its distinctive properties.  There are still certain areas that need to be thoroughly examined, such as bond capacity. There have been very few studies regarding shear capacity due to the fact that the procedure is complicated.This report will highlight a method to examine the shear capacity of different surfaces that have been prewetted as well as non-prewetted surfaces. The surface areas follow BBK 04?s and Eurocode 2?s demand for surface roughness.  A smooth surface will be completed in order to confirm if the different shapes influence the bond strength by shear stress or not.                       The purpose of this essay is to measure the bond strength within the shear capacity as well as examine the impact it has on surface roughness and treatment for shear bond.The method used to identify the shear capacity is called L-shaped Push-Off Test.

Ever since Thomas More?s book Utopia was published in 1516, theutopian idea has not lost its topicality and has been strongly rootedin literature, art, film and architecture. Utopia can be seen as a statein which utopia allows a space for wishes, dreams and a desire forsomething better. In my degree project I have chosen to explore thehistorical utopian ideas to create a content that treats utopia on asubjective level. With visual communication as a starting point I havetried to fixate this state in a book.