Kväve är ett element med både positiva och negativa effekter på ett kolståls egenskaper och det är därför av yttersta vikt att under tillverkningsprocessen kontrollera kvävehalten i stålet med hänsyn till kravet på slutproduktens egenskaper. Möjligheten att styra stålets slutliga kvävehalt påverkas i hög grad av förloppet i LD-processen, d.v.s. det processteg där högkolhaltigt råjärn konverteras till lågkolhaltigt råstål, i huvudsak genom tillförsel av ren syrgas. Både kol och syre har en stark inverkan på kvävets löslighet i flytande stål. Ett flertal planerade försök med provtagning under pågående LD-process och analys med LECO® har legat till grund för en kartläggning av kväveförloppet, särskilt med avseende på konvertering av stål som återanvänds i processen, s.k.

Titel: När hjältar faller - En jämförande studie av Aftonbladets och Expressens skildring av idrottshjältarna Ludmila Engquist, Tiger Woods, Lance Armstrong och Oscar Pistorius.Författare: Marianne AnderssonPublikationstyp: UppsatsNivå: CPoäng: 15 hpHuvudområde: Medie- och kommunikationsvetenskapKursnamn: MKV 61-90 hpProgramnamn: InformatörsprogrammetAntal sidor: 39Handledare: Mats HyvönenÄmne: Hur Aftonbladet och Expressen berättar om idrottshjältar som faller karriärmässigt.Frågeställning: Hur berättar de svenska kvällstidningarna Aftonbladet och Expressen för sina läsare när/att en idrottshjälte faller karriärmässigt?Teoretiska perspektiv: Tidningsartiklarna har analyserats från Michael Foucaults teorier med utgångspunkt från hans bok ?Diskursens ordning? samt utifrån begreppen representation och identifikation i medier.Tillvägagångssätt: Utifrån en dokumentanalys har de publicerade artiklarna studerats för att ta reda på hur tidningarna valt att berätta om de olika fallen. Med hjälp av en kvalitativ analysmetod studeras om medierna använder sig av någon slags dramaturgi när de skildrar händelserna samt om det finns ett mönster med vilka som får komma till tals.Slutsats: Analysen visar att sättet som tidningarna rapporterar på om de fyra händelserna följer en bestämd dramaturgisk och kronologisk ordning. I samtliga fall kommer samma typer av människor till tals och de bilder som publicerar skildrar liknade motiv oavsett idrott eller fall..

International regulations target a global reduction of carbon dioxide (CO2) emissions through the allocation of national reduction targets and the definition of mechanisms to achieve these targets. One of these mechanisms is international emissions trading, these trading programs have been the targets of widespread criticism since they were introduced into the policy-making arena. The point of departure in this study has been that the trading raises questions about morality, since it implies signals, which legitimates pollution. The main purpose with this study has been to find out if emissions trading systems can be morally justified with the method of wide reflective equilibrium. From the study it was found that the moral intuition; it is wrong to pollute the environment, and perform activities, which legitimates pollution, finds support from the different theories within environmental ethics and Kantian ethics.

This thesis project focuses on the need for better tools for analyzing competition for forest fuels in Sweden, in particular how policy measures may influence the market and involved actors in different regions of Sweden. Raw materials from the forest have for long constituted important inputs in the Swedish forest industry. Today some of these raw materials are increasingly used as inputs also in bioenergy production, largely driven by bioenergy promoting policies, and there are signs of increased competition for forest fuels which may have various and uncertain effects on the industries in question. The thesis project explores the possibilities to adapt previously used forest sector equilibrium models into a new model suitable for analysis of Swedish forest fuel markets, called the Swedish Forest Sector Trade Model (SFSTM). The approach takes into account regional differences in supply and demand for 23 types of products produced and/or used by eight types of producers, plus consumers, in five different regions (four Swedish and one international).

Inledning: Ett företag som sponsrar en känd person förknippas starkt med denna. Tidigare forskning har visat att det finns en positiv påverkan på aktiepriset och avkastningen hos företag som tecknar sponsringsavtal med kända personer.Syfte: Syftet med uppsatsen är att med hjälp av eventstudiemetoden undersöka huruvida tio oväntade händelser relaterade till tre idrottare påverkat aktievärdet för Nike Inc.Teori: Den effektiva marknadshypotesen bygger på antagandet att finansiella marknader är effektiva och att all information finns tillgänglig vilket i sin tur exakt återspeglas i priset på en tillgång. Det finns empiriska belägg för att marknaden inte alltid kan sägas vara effektiv som effektiva marknadshypotesen hävdar, något som teoretiskt kallas för anomali.Metod: Denna studie antar ett deduktivt angreppssätt och har en kvantitativ inriktning. Eventstudiemetoden används för att mäta den tänkbara effekt som en oväntad händelse har på företagets värde. Aktieprisförändringen undersöks genom den kumulativa onormala avkastningen (CAR) och hypotesprövningar görs för att nå en slutsats på syftet och problemformulering.Slutsats: Vi har utfört undersökningen i enlighet med eventstudiemetoden och kommit fram till att 9 av 10 oväntade händelser påverkar aktievärdet för Nike Inc.

This paper analyzes the Swedish labor market during the interwar and early postwar period within the framework of modern labor market theory. The development of unemployment during this period - according to the commonly cited source of labor union reports - represents a conundrum for research. The unemployment rate rose after the initial diverse shock of 1921 and stayed at a permanently higher level for the rest of the interwar period. This development was reversed after World War Two when the unemployment rate decreased and stayed permanently low for the rest of the postwar period until the oil price chock of the 1970s.In a first step the available sources of unemployment statistics is investigated and compared. The general conclusion is that the labor union reports overestimate the level of economy wide unemployment while being a reasonably good indicator of movements in the rate.

At the department of Electronic Warfare Assessments at the Swedish Defence Research Agency in Linköping one of the activities is modelling and simulation of the duel between a robot and a target. The aim with this Master's thesis is to develop a simulation model of an hovering helicopter. First a theoretical description of the forces and moments acting on an helicopter is given. Then the equations of motion are derived. These equations are simplified to be valid only for a hovering helicopter and the result is a mathematical model.

The aim of this Master thesis was to examine news journalism covering expressions of mourning related to violent or unexpected deaths. What rituals for mourning are brought out in media and do media present guidance to how mourners should behave? The questions examined were: What characterised news events that leaded to texts on expressions of mourning? How was grief framed? Which narrative patterns were there in the texts? How was the deceased represented? How were the mourners represented? 165 texts, from Swedish daily newspapers, covering 93 different news events were analysed. The methods were mainly discourse analysis with focus on identities and relations, but also semiotic analysis with focus on staging and symbols and narrative analysis with focus on patterns for storytelling. The result showed that a news story about ordinary people expressing their feelings of grief has elements of melodrama. The news story is based on the myth of the victim, and formed as a typical story where equilibrium is disturbed when the inconceivable happens and the mourners can by their actions restore equilibrium.

This bachelor thesis is about communication problems and treatment during the reference interview. The purpose was to investigate the reasons of why users? information needs are not always understood by the librarian and what to do about it. I have also investigated what kind of skills that can be useful for librarians to have and how a librarian can act in a way that makes the user feel welcome during the reference interview. The method I used was a literature study and an own study through interviews of library users.

The aim of this thesis is to discuss and analyse the American cotton subsidies? effect on the world market in general and developing countries in particular. The amount of U.S. subsidies is substantial compared to most other countries, but a great deal of the effect is due to the USA?s significant share of the market.

The purpose of this thesis is to examine whether the concept of permanent establishment, as defined in Article 5 of the OECD Model Tax Convention on Income and Capital, is applicable to electronic commerce and if so whether the current definition is able to appropriately deal with the challenges of electronic commerce.In 2003, the OECD added a new section to the Commentary on the Model Tax Convention on Article 5. The new section is a clarification on the application of the permanent establishment definition in electronic commerce.The current definition of permanent establishment in the Model Tax Convention relies on the physical presence of a foreign corporation as the threshold for source taxation. While the current definition, prima facie, might be applicable on electronic commerce, the highly mobile nature of electronic commerce might affect the current revenue distribution equilibrium between states..

Background: Low Price-Earnings ratio, low Book-to market ratio and low stock prices can give the impression that a stock is ?cheap?. Is it through systematic use of these portfolio strategies possible to beat the market index ? in other words does financial illusions exist? Purpose: To examine if the Stockholm Stock Exchange is an efficient market. Limitations: The efficiency is tested solely through the chosen portfolio strategies: low Price-Earnings ratio, low Book-to-market ratio and low stock prices.

In this project we have used the theory of analytical mechanics to derive equations of motion for complex mechanical systems in order to study their behaviour over time. Even if the theory provides powerful tools to tackle tough problems which would be very hard to solve by methods of Newtonian mechanics, you are still relatively limited without running any computer simulations. One realises that in a faster rate it will be an incredibly difficult task to find an analytical solution when the degrees of freedom increases. Even if one would succeed to derive the equations, one still has to solve them to get the information of the systems behavior. Of experience one knows that the equations in general are nonlinear and hence must be integrated numericaly.

In this project we have used the theory of analytical mechanics to derive equations of motion for complex mechanical systems in order to study their behaviour over time. Even if the theory provides powerful tools to tackle tough problems which would be very hard to solve by methods of Newtonian mechanics, you are still relatively limited without running any computer simulations. One realises that in a faster rate it will be an incredibly difficult task to find an analytical solution when the degrees of freedom increases. Even if one would succeed to derive the equations, one still has to solve them to get the information of the systems behavior. Of experience one knows that the equations in general are nonlinear and hence must be integrated numericaly.

Traditionally, rolling mills use emulsions based on a mixture of oil and water for lubrication. Since two years ago SAPA has been using (instead of oil) a synthetic lubricant so called conditional emulsion for hot-rolling of aluminum. This lubricant is water based and homogenous at ambient temperature, but switches to a two-phase system at heating above the cloud point.This project aims to validate and if necessary modify an existing HPLC method for quantifying two out of three key components (A, B and C) in the conditional emulsion. Attempts to develop a method to quantify the pH adjusting components, X and Y were also made. These two methods are required to optimize the lubricant.Due to the complexity of the components, it has been difficult to present a method for quantification, and HPLC with ELS detection was chosen after a long series of trials.