Som alla vet och som alla läst har användandet av Internet ökat explosionsartat de sista tio åren vilket har lett till att mängden information som nu finns tillgänglig på några sekunders avstånd in i framtiden är gigantiskt. Då fler och fler företag vill nå ut till den breda publik som Internet har, måste de skapa webbsajter på ett sådant sätt att de fångar besökarnas intresse snabbt och får dem att göra återbesök. Detta gör givetvis konkurrensen om kunderna stenhård. Hur kan man då fånga intresset hos besökare för att få en större chans att påverka dem positivt och det snabbt? Den här rapporten riktar sig framförallt till utvecklare av webbapplikationer som vill se vad som är avgörande för att försöka locka till sig fler besökare och för att behålla de som redan finns.

It is important to construct or recreate different types of wetlands and study their retention of nutrients, since knowledge of their effectiveness in this matter is poor. In 2003 a wetland was constructed on an old meadow on the western shore of Lake Bornsjön in central Sweden. The main purpose of the wetland was to reduce the amount of phosphorus entering the lake, which is the back-up water supply for Stockholm when the city cannot obtain water from Lake Mälaren. Large areas around Lake Bornsjön consist of agricultural land and the nutrient concentrations in the inflows to the lake are usually relatively high (approx. 1 mg/l total nitrogen and 0.05-0.1 mg/l total phosphorus).

Genom att analysera olika individers surfbeteende så kan man även optimera hemsidor efter sitt eget tycke. Detta gör man med hjälp av webbanalysverktyg som finns av alla dess slag. Betalversioner såväl som gratisversioner. Dessa i sin tur innehåller olika features som möjliggör, för dig som användare, olika tillvägagångssätt och metoder över hur du ska analysera en besökares beteende. Med denna uppsats har vi valt att undersöka vilka av de vanligaste features som finns som är de viktigaste ur en användares perspektiv.

Sagans innehåll är baserat på naturens fyra element och vilja är att den ska kunna användas i undervisningen. Examensarbetet är baserat på hur du kan använda sagaor som ett komplement i lärandet och hur den kan vara en viktig del i barns läsutveckling och dess mångsidighet..

The euthropthication of the Baltic Sea is a threat that is beginning to be taken seriously by the governments concerned. In Sweden, regulations concerning the allowed nitrogen (N) concentration in the effluent water from wastewater treatment plants are being tightened up. The Rimbo wastewater treatment plant has been imposed to reduce the annual mean concentration of total N in the effluent water to levels below 15 mg l-1. A more and more common way to reduce the nitrogen level in wastewater is to let the water pass through a wetland. This study investigates the possibility to build this kind of wetland at the outlet of the Rimbo wastewater treatment plant.A prestudy of the topography, soil characteristics and groundwater flow indicates that the land area in question is well suited for the construction of a wetland.

Water is our most important provision and its quality is above all dependent on the geological conditions in the area from where it is extracted. Due to geological properties there are certain areas with an elevated risk of high uranium levels in the ground water, which in turn constitutes a risk for human health. Consumption of water that contains a high concentration of uranium implies a health risk due to the chemical characteristics of uranium. Livsmedelsverket (The National Food Administration) and Socialstyrelsen (The National Board of Health and Welfare) therefore recommend that precautionary measures should be taken when the uranium concentration in ground water exceeds 15 micrograms per litre. In particular, drinking water collected from wells in areas with uranium-rich bedrock may have a harmfully high level of uranium. One of the wells of the Ärla water purification plant, located near Eskilstuna, Sweden, contains water that exceeds the guideline of 15 micrograms per litre. One interesting technique for removing uranium from drinking water is adsorption to reactive filter materials.

Institutionell teori förklarar socialt liv genom att undersöka institutioners påverkan på sociala relationer. Institutionella föreställningar ses som närvarande i alla sociala relationer genom kulturella, kognitiva och normativa institutionella element, som ges stor betydelse i denna teoribildning. Denna uppsats syftar till att problematisera institutionell teori genom att införa maktaspekter i teoribildningens förklaringsmodeller eftersom detta hittills varit ovanligt i institutionella analyser. Särskilt de förklaringsmodeller som betonar kulturella och kognitiva element har saknat maktaspekter. Uppsatsen är ett integrationsförsök mellan institutionell teori och maktteori.

In modern dairy production the milking frequency is increased in some herds due to introducing of automatic milking systems or the farmers decision to milk high producing dairy cows more than two times a day. With more frequent milkings the milk yield increases while the content of fat and protein decreases. However, how the composition of protein is influenced is not fully evaluated. The purpose of this study was therefore to see if a higher milking frequency had any impact on the milk production and especially on the protein composition. This study was conducted as a half udder experiment.

Byggandet idag går allt mer åt det industriella hållet. Många företag har övergått från platsbyggnation till att använda sig av mer eller mindre förtillverkade element i sin produktion. Viktiga begrepp inom prefabricering är slutna respektive öppna system och ytrespektivevolymelement. I Falun finns företaget Panorera AB som med företagsegna (slutet system) prefabricerade komponenter bygger en- och flerbostadshus. De har även utvecklat ett färdigt koncept med standardiserade ytelement som bildar moduler.

The purpose of this study was to examine how local producers in the food and confectionery segment in Västernorrland, Sweden, working to communicate that the product is locally produced through its packaging design. We have chosen to look at how they work with the right packaging design because it is such an important part of the product marketing. A further aim was to examine how consumers perceive the packaging design of the locally produced products and how they consider that the packaging design communicates the product as locally produced. We have also analyzed the graphical elements contained in the locally produced product packaging through a semiotic analysis.The theoretical framework is based on theories in brand communication and Visual Communication, specializing in packaging design?s visual elements.The method used in this study is a qualitative method.

The purpose of this study was to examine how local producers in the food and confectionery segment in Västernorrland, Sweden, working to communicate that the product is locally produced through its packaging design. We have chosen to look at how they work with the right packaging design because it is such an important part of the product marketing. A further aim was to examine how consumers perceive the packaging design of the locally produced products and how they consider that the packaging design communicates the product as locally produced. We have also analyzed the graphical elements contained in the locally produced product packaging through a semiotic analysis.The theoretical framework is based on theories in brand communication and Visual Communication, specializing in packaging design?s visual elements.The method used in this study is a qualitative method.

Clinical signs of hypocalcaemia in dairy cows are easily recognized, and a rapid response to treatment generally confirms the diagnosis in the field. However, clinical signs of other disorders in cows, such as toxemia, calving paralysis, or muscoskeletal injury, may mimic those associated with hypocalcaemia. Therefore, making a diagnosis of hypocalcaemia on the basis of clinical signs alone may be difficult. In ambulatory veterinary practices, cow-side tests are useful to make the diagnosis and prognosis easier. Kruuse?s Kalcium Test is a cow-side test based on the principle that calcium ions are necessary for coagulation of blood, and that chelation with EDTA prevent coagulation.

In the last few years people have become more and more aware of how humanity is affecting the climate. In the direction of reducing the greenhouse gases is to design engines with higher tensile properties and reduced weight, in order to achieve lower fuel consumption and cleaner fuel incineration in today's truck engines.In order to achieve these requirements it?s necessary to increase the combustion pressure in the engine. This requires higher tensile properties and high thermal conductivity of the engine material. The department of Component Technology at the University of Jönköping in collaboration with Volvo Powertrain AB, Scania CV AB and DAROS Piston Rings AB has been commissioned to develop this material and to find knowledge of material properties used in truck engines and piston rings used for marine applications.The purpose with this work is to analyze the tensile properties of a series of cast iron, cast under different metallurgical conditions.Four different series of cast irons have been analyzed from four points of view, carbon concentration, nodularity, amount inoculation and cooling rate.After the tensile test all specimen data was analyzed in a mathematic calculation program called Matlab 2006a.

Transformation of inorganic mercury (Hg) to methyl mercury (MeHg) is a biotic process that is proposed to be conducted primarily by sulphate reducing bacteria (SRB). The formation of MeHg is of great interest because it is the mercury species that biomagnifies to the greatest extent in the aquatic food webs; about 90 % of all Hg in fish is MeHg. Our understanding of factors involved in the production of MeHg is very important for making a reliable risk assessment. The purposes of this study were to investigate the different factors that control the solubility of Hg and the production of MeHg in a contaminated lake sediment. The lake Ala-Lombolo, Kiruna municipality, is well-known to be contaminated by mercury from different sources. Sediment cores were sampled at three different locations (N, SW and SE) in the lake and divided in three different layers; 0-5, 5-10 and 10-15 cm.

När de traditionella skrivbordsapplikationerna görs om till webbapplikationer, ställer det krav på JavaScript som används mer och mer för att få fram ett responsivt gränssnitt på webben. För att underlätta utvecklingen av JavaScriptapplikationer har ett antal funktionsbibliotek skapats. I vår studie undersöker vi därför vilket av de två populäraste JavaScriptbiblioteken idag, jQuery och Prototype, som presterar bäst i dagens mest använda webbläsare. Dessa tester har utförts i ett testramverk som vi själva utvecklat för att vara webbläsaroberoende och inte kräva något av de bibliotek vi testar. Testerna är uppdelade i fyra testfall som körs 20 gånger för att ge ett mer tillförlitligt resultat.