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8445 Uppsatser om Decontamination method - Sida 3 av 563

Bedömningssamtal inom Barn- och Ungdomspsykiatrin

The purpose of this study was to gain an understanding of the structured and evidence-based assessment tool/method The Brief Child and Family Phone Interview (BCFPI) trough a social psychology perspective of conversation. The aim was especially to seek an understanding of the method considering aspects of children?s participation. The research question was: how do the method users apprehend the advantages and the limitations of the BCFPI method considering aspects of children?s participation.

Diskontinuerliga Galerkinmetoder för initialvärdesproblem och prissättning av optioner

Efficient numerical methods for option pricing is an active field of research. This project has the goal to examine possible ways to improve an established method of numerical pricing. The method is based on an adaptive finite difference method in price and uses the backwards differentiation formula of order 2, BDF2, in time. The project will focus on improvements to the time integration through implementation of discontinuous Galerkin methods, dG. Empirical convergence and accuracy results are obtained for equidistant dG-methods up to order 3 and performance is compared to BDF2.

Jämförelse av metoder för peroxidbestämningar i bränslen : A comparison of methods for determination of peroxide content in fuel

New energy resources that can replace petroleum diesel are needed and biodiesel may be an excellent substitute. During storage and use, biodiesel can oxidize and form peroxides, leading to degradation of the fuel. It is therefore important to determine the peroxide content of the fuel. In this thesis the triphenylphosphine method, which involves GC-MS analysis has been compared to the standard iodometric method which involves titration with sodium thiosulfate. Working standards were made to see how well the iodometric method worked and also in order to make a calibration curve in GC-MS.

Motiv och förutsättningar för Arbete med spänning på det svenska stamnätet

In this thesis, the conditions of using the maintenance method live work at the Swedish TSO, Svenska Kraftnät has been analyzed. The study is limited to only include live work on 220 and 400 kV. The live work method is a type of maintenance that can be done, on lines or stations, even though they are still energized. The purpose of this thesis has been to map the present live work situation at these levels in Sweden. The study is based mostly on interviews with people who have specific field competence with in live work but also with personnel at Svenska Kraftnät.

Va?rdering av varuma?rken : - En kvalitativ studie om problematiken kring vilken metod som anva?nds vid fo?rva?rv

Background: Associated with the change in the regulations in 2009 concerning how goodwill should be handled in the acquisitions, brand valuation is increasingly recognized. Goodwill will now be identified and the brand will therefore be separated to be individually evaluated. The valuation has a problem with a number of factors that will influence the choice of method, to obtain a reliable value Aim: The purpose of this study is to examine the method used for brand valuation associated with the acquisition situations. In addition, it aims to gain a better understanding of brand valuation and its problems.Method: The study has a qualitative basis, where three key people of brand valuation have been interviewed. These work as valuation specialists at various accounting firms, this to get answers that could be compared.

Under parasollen : En komparativ studie utifrån whole language-teorin och LTG-metoden

AbstractThe purpose of this study is to analyse the reading- and writing-approaches: the LTG-method and the whole language-theory. The attention is to perform a comparative literate-study to distinguish their similarities and differences, and examine which one of the approaches that is most clearly anchored in the syllabus of the subject Swedish. The starting-point of the study is the questions: Which similarities respectively differences have the LTG-method and the whole language-theory? Which one of these theories is most clearly anchored in the syllabus of the subject Swedish? The study has shown that both the whole language-theory and the LTG-method can anchor in the syllabus for Swedish. However the whole language-theory has stronger hold in the syllabus, as the whole language emphasises the meaning of literature for reading- and writing-learning, and considers the pupils reflection during their learning-process and conquered knowledge-goal.

Påträffande av naturlig arsenik vid produktion och dess hantering : En fallstudie av Trafikplats Rosersberg

I Rosersberg har Trafikverket byggt en ny trafikplats under 2011-2013. Projektet stötte på komplikationer som ledde till att arbetet försenades främst på grund av förekomsten av arsenik i jord, berg samt grundvattnet. Dessa förseningar ledde till att projektet försenades med ca nio och en halv månad till en merkostnad på över 30 miljoner kronor till följd av över 200 (ÄTA).Detta projekt behandlar grundämnet arsenik i byggfasen och hur en hantering av ämnet bör gå till. Genom instudering av arbetsmaterial från projektet samt intervjuer med personer som varit inblandade har undersökningar gjorts och en sammanställning av dessa återfinns i rapporten. I rapporten har jag arbetat med att sammanfatta metoderna som Trafikverket arbetat med och hur projektet fortlöpt. Jag har även arbetat med att ta fram alternativa metoder för hantering och sanering av arsenik för grundvatten, jord- och bergmassor.Problemlösning som jag sökt svar på är:? Hur man stabiliserar arsenik och sedan hindrar det från att sprida sig från en nivå till en annan.? Hur man kan sanera och hantera arsenik när det förekommer i produktionsskedet, med en rimlig lösning.? Hur man återanvänder sanerade massorna.? Hur utförandet av sanering kan göras på kortare tid och med mindre kostnader.Dag- och grundvatten samlades i dammar som därefter pumpades ut till vägdiken för att därefter luftas genom självfall till Verkaån.

Utveckling av HPLC-metoder för kvantifiering av nyckelkomponenter i en villkorad emulsion

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.

Arboga Mekaniska Verkstad : Förslag på saneringsåtgärder gällande gjuteriet och plåtverkstaden

The industrialization in Sweden has increased the large number of areas that have been contaminated with various types of pollution. One of those sites are the property Höjen 3:24 in Arboga where ?Arboga Mekaniska Verkstad? once been. The property wants to increase the use of the old former foundry building with the adjacent ?plate-workshop? and believe there are two options for the building: That the building either should be used as a warehouse/concert hall, or rebuilt into a cultural center. An environmental evaluation has shown that the levels of heavy metals are over the Swedish environmental protection agency guidelines of less sensitive land.

P?m?rkning vid virkesberedning - Bastning. Ett hantverksf?rs?k

This essay aims to investigate a rare method of marking up timber before hewing it. The method for marking up timber is by eyesight, where visual judgment and the use of a broad axe are the tools employed. The broad axe is driven through the bark and exposes the inner bark in a straight line. The method is described by a craftsperson dating back to the 1930s. There is a lack of information regarding the method.

Enumerating Atlantic salmon smolt production in River Vindelälven based on habitat availability and parr densities : consequences of using different density estimation methods

Habitat mapping was conducted in the main stem of River Vindelälven in the autumn of 2009 along the salmon distribution area. The aim was to estimate the quantity of potential reproduction areas, including spawning and juvenile rearing habitats. The mapping included 61 km of various stream sections along the river length of 269 km. The total area of stream habitats was estimated to 647 ha of which 396 ha (61%) were considered as either potential or optimal juvenile nursery habitats. The area of these two habitat classes were used to estimate the smolt production in the river by using electro fishing densities of juveniles (0+ per 100 m2).

Automatisk trimning av externa axlar

This master theses deals with different methods for automatic tuning of the existing controller for external axis. Three methods for automatic tuning have been investigated. Two of these are based on the manuell method used today. The third method is based on optimal placement of the dominant poles. Different sensitivity functions are important for this method.

På vandring mot handling : Utbyte av perspektiv i landskapet

Sustainable Development is often described as a balance between ecological, economical and social aspects. Between these exists a complicated interaction that creates conflicts in the planning of the landscape. We see a growing need for a functional interaction between values and interest and an understanding for different perspectives. Cooperation and dialogue are key ideas with the focus on cooperation rather than the goal. There is a lack of forum for dialogue and cooperation within municipalities where a great knowledge and competence are gathered.

Historien längs tuvor och slingriga vägar : En jämförande studie av tematisk och kronologisk undervisning i historia för gymnasieskolan

In the following study the author compares two methods of teaching history, the thematic approach and a more traditional chronological approach. Aiming at distinguishing the perceived notions of strength and weaknesses of each method, from the perspective of teaching, the author uses semi-structural interviews with four teachers in order to shed light on the reasons why each method is chosen. The perceptions of the thematical and chronological method in teaching history are further compared with the result in students? grades. The result shows that the thematic method is perceived as being better at teaching the student about causality and different understandings of changes in history, which would have positive impact on higher grades.

VISUALISERING AV KATALOGHUS -med ADT och VIZ Render

The aim of this final thesis is to make it easier for the customer of a new designed house to get a picture of what the house will look like inside before it has been built.A method, which can be applied by any construction company who likes to visualize there buildings, has been designed and tested. One works after a regular design planning which is transformed into a three dimensional model of the house. In a rendering program, materials and surfaces are chosen for the model and then a picture of the finished product is made. The programs used for this work are ADT 2006 and VIZ Render.To evaluate the use of this method I?ve chosen to cooperate with LB-Hus which is a housing company that is specialized in building detached houses.

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