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1120 Uppsatser om Mid-phase Measurement - Sida 28 av 75
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Modern sawmills are using the raw-material and the production-capacity more efficiently
today, due to rising raw-material prices and higher production costs. Log sweepness has a
negative effect on the sawn yield, for sawmills with straight-sawing. It is desirable that these logs could be sorted based on more criteria, if it increases value-yield and consequently the utilization of raw-material.
Bow-heights over 1 cm have a negative effect on sawn yield, since the surface of the
mantle cuts down in the sawn pattern. Some of these small bow-heights reduce the logs yield of value which affects the production planning negatively. Nearly half of all the Swedish logs have a bow-height over 1 cm.
Är en schimpans bättre på att skapa avkastning än en professionell fondförvaltare? : En jämförande studie om historisk avkastning av förvaltade fonder och slumpmässigt genererade portföljer
Background: Investors have several options to choose from when the goal is to achieve the highest yield at the lowest cost and risk. Stocks are a common investment options, but is also associated with risks. Portfolios are usually constructed with several different assets to reduce the unsystematic risk of investment. Funds are similar to composite stock portfolios, the big difference is that they dealt with in their entirety and investors may not affect the fund's content. The problem remains that whether you choose stocks or mutual funds there is still uncertainty as to how the future will unfold.
Managing the integration process in a merger. Case: Cloetta Fazer
Background: Mergers have been increasing during the latter part of the 1990s. In the Nordic region many previously national companies have joined their forces to create a new Nordic company. This will lead to many challenges when the companies are integrated.Purpose: The purpose of this thesis is to investigate the integration phase. Our goal is to study the integration of Cloetta Fazer and learn how the company can handle the two types of integration. Procedure: To be able to prove our assumptions, that were made on the basis of literature, we have collected empirical material by interviewing eight managers at Cloetta Fazer.
Beredning av lokalnät i landsbygd
In this thesis a rural network in Norrbotten, Sweden, has been to designed and planned with the purpose of improving distribution reliability by exchanging existing overhead lines with underground cables. General network design considerations are discussed as well as the ones for the specific low voltage grid. During the design phase the maximum power of domestic consumers has been estimated using Velander?s method. Currents, voltage drop and impedance of the network have been calculated and fuse operation and selectivity has been considered.
Betongpelare och brand : En utvärdering av 500 °C isotermmetoden
At the beginning of 2011, Sweden started using the European rules for structural design, the Eurocodes, instead of the previous national rules. In both the previous rules and the Eurocodes, it is possible to dimension concrete columns using tabled values. However, the required cross section measurements have increased considerably. Moreover, it is possible to dimension concrete columns using calculations, however, this is unusual.The development of a fire in a fire cell can be divided into the growth stage, the fully developed fire and the cooling phase. The duration of each phase, as well as the temperature, is dependent on a number of factors, e.g.
Näringstillförsel för äldre personer med demenssjukdom,
The aim of this littrature review has been to describe how you can satisfy the need of nourishment for older people who suffer from dementia. Data has been retrieved by searches in Academic Search Elite, Sience Direct, Blackwell, PubMed and in the Journal Vård i Norden. The studies show that most of the people with dementia have a hard time to satisfy the nourishment. The results show that through different preventive measurement you can improve the nourishment for these people, to set the table, play calm music and to have a table companion. By taking the food oneself created a good meal environment and the individually need was provided for.
Att skapa lönsamhet för små företag som arbetar med IT-projekt : En undersökning om projektledning som utförs av små företag inom konsultbranschen för IT-lösningar
Problem: How does project managing appear in small IT-consulting companies and how does the project manager carry out their projects to create successful solutions for their customers?Purpose: The research has the purpose to analyze and review how IT-consults in small companies work and lead their projects to create profitability for the company, which leads to a good development for the company. Methodology: The research is made on eight research objects in IT-consulting business and the sizes of them are between 1-49 employees. The research is made with a qualitative method to get closer to the research objects. Therefore the research is made in forms of interviews. The analysis is grounded on a comparison between the research data and the theories that are used in the research.Theoretical perspectives: The theories which have been used in the research are Involvement theory (Fill, 1999), PAFF-metoden (Marcusson & Ahlin, 2002), Projektledning (Tonnquist, 2006), Jakten på det effektiva projektet (Engwall, 1999) och Mervärde (Grönroos, 2002)Empirical foundation: The research data are founded from the interviews of the eight research objects, they have the fictive names: Gondor, Minas Morgul, Minas Tirith, Mordor, Osgiliath, Rivendell, Rohan and The Shire. Analysis/Result: Each study object starts their projects with a pre-study phase, as the PAFF-method describes it.
Digital utsläckning av sinussignal
Detta examensarbete utröner möjligheten att aktivt släcka ut en amplitudstark frekvensmodulerad sinussignal digitalt. Detta skall göras utan förkunskap om signalen gällande fas, frekvens eller amplitud. Eventuellt övriga, men betydligt svagare, sinussignaler i den analoga signalen skall inte påverkas nämnvärt av utsläckningen. För att lösa problemet har olika teorier för att lösa delproblemen med att mäta amplitud, fas och frekvens studerats varefter en lämplig kombination valts för implementering i en FPGA. Prestandan som uppmätts har jämförts med vad som teoretiskt är möjligt och vi konstaterar att metoden löser problemet på ett adekvat sätt men är i behov av en del förbättringar som diskuteras i slutet..
Test och verifiering av en ny inkapslingsmetod för SiC BJT och MOSFET
The use of silicon carbide (SiC) as a base material in power electronics has manyadvantages, including high breakdown voltage and excellent temperature endurance.However, the packaging of such electronics presents major challenges and there is aneed for packaging that can operate in higher temperature. The purpose of this thesishas been to develop a test method and verify the functionality of SiC powertransistors prototypes with a new packaging technique developed by Swerea IVF AB.It includes setting up an electrical test-bed for power and high temperature cyclingand analysis of the results. Even though test confirmed functionality after thepackaging process, (at room temperature) the performance seemed to have been reduced. This could be a result of the measurement setup and the packaging process.In higher temperature the transistors failed to operate longer than a couple ofminutes which showed the weaknesses in the design and the challenges with this typeof packaging..
Perspektiv på barns högläsning : En studie av barns felläsningar och läsförståelse i skolår 2.
Denna studie, som har en experimentell karaktär, handlar om högläsning i skolår 2. Syftet består i att ta reda på vad som skiljer starka och svaga läsares högläsning åt, samt att undersöka i vilken mån ett medvetet arbete med att göra en obekant text meningsfull kan påverka högläsningen och läsförståelsen i positiv bemärkelse. Dessutom vill jag ta reda på hur olika teorier om läsning kan redogöra för resultaten av ovanstående. För att uppnå dessa mål formulerades följande frågeställningar. (1) Vad skiljer starka och svaga läsare åt beträffande felläsningar och läsförståelse i deras högläsning av en obekant text? (2) Kan en vuxenledd preview-session (förberedande samtal) påverka felläsningarna och läsförståelsen i positiv bemärkelse? (3) Hur kan svaren på ovanstående frågor tolkas utifrån å ena sidan ett whole language-perspektiv och å andra sidan utifrån den nyare läsforskningen? Fyra barn, två starka och två svaga läsare, har deltagit i experimentet.
Materialval i utfackningsväggar
The aim of this report is to give a concise description of curtain walls, what it is and why they are used. It is also a description of six different but commonly used design technologies. By giving a detailed description of the different types and there special properties, the pros and cons will be clarified. The three most interesting alternatives were selected to be included in a test, to show the best alternative from a certain point of view.The parameters are:? Environment? Cost? Ergonomics? Isolation against noise and fire? DurabilityThese are important parameters in the planning and design phase.
Drogförebyggande arbete riktat mot barn och ungdom : Vad som görs i skola och kommun i två kommuner i Skåne
This paper is about drug prevention. In my paper the aim is to examine when, where and how the drug prevention work, by law, is being realized, on local levels, in school and municipality, towards youth.My central questions are among others: What does it imply, how the municipality and school value the drug prevention work?, Which prevention programs do the municipality and school use? and Does the drug prevention work give any results? The method I've been using is qualitative interviews and studies of literature and research.The main results I gained with my studie are, that the work of politicians is not in phase with the development in society. And in spite of the fact that drug prevention programs are used, the young ones are using drugs and alcohol more than ever..
BIM-projektering i praktiken
The use of CAD, within the building industry came strongly, during the 1980?s and the 1990?s. The development has since then rapidly progressed and the using of 3D-models has in addition increased. We are now at the edge of next step of evolution. BIM, Building Information Model(ing), is here.
Energieffektivisering i ett reningsverk för skogsindustriellt avloppsvatten genom förfällning av extraktivämnen
Pulp- and papermills expend vast amounts of water in order to produce pulp, paper and cardboard. Hence, they alsocreate vast amounts of waste water which has to be cleaned before it can be released into the receiving body of water. Insuch a wastewater treatment plant, tremendous amounts of energy are expended by the aeration in the biologicalcleaning process. This aeration is necessary to supply the microorganisms that shall decompose organic material withoxygen, which they need for their metabolism. The transfer of oxygen from the gas phase to the liquid phase isprimarily inhibited by surface-active substances in the waste water like resin acids or fatty acids.
En kvalitativ utvärdering av det accelerometerbaserade hältdetektionssystemet ?Lameness Locator? :
Background: Evaluation of lameness in horses is traditionally performed by a veterinarian who subjectively evaluates the movements of the horse. Accordingly, lameness diagnosis varies with the veterinarian and circumstances for which the horse is examined. Research within the area has long tried to establish an objective and standardized method for lamenessevaluation in horses. Several methods have been shown to be reliable and are used regularly within research, for example measurement of forces between the hoof and ground, and measurement of movements with high speed cameras or accelerometers. However these methods require considerable preparation, standardization, and expensive equipment as well as produce large amounts of data that are incomprehensible for the clinician.