Bakgrund: Trikompartmentell knäartroplastik (TKA) är en vanlig behandlingsmetod vid artros. Vid bildtagning finns rekommendationer författade av Svensk Ortopedisk Förening. Dessa täcker inte knäledsrotation på en frontalbild. Syftet var att ta reda på skillnader mellan röntgensjuksköterskors och radiologers rutiner att godkänna/underkänna knäfrontalbilder med TKA ifall knät projicerats roterat.Metod: Genom en enkät bestående av två till fyra frågor om fem frontalbilder på knän med TKA som elva röntgensjuksköterskor och nio radiologer fick svara på samlades materialet in. Bilderna visade fem olika knän som i denna studie respektive bedömdes som rak, lite utåtroterad, mycketutåtroterad, lite inåtroterad samt mycket inåtroterad.

The objective of this thesis is to explore opportunities to enhance the phosphorus use efficiencyof inorganic fertilizers in crop production, with techniques available today and in thefuture. Phosphorus is a finite resource of declining quality; therefore a phosphorus use efficiencyin crop production of only 15-30 % is unacceptable. The main reason for low efficiencyis the retention by Ca and Mg in calcareous soils and Fe and Al in non-calcareoussoils. Due to the low mobility of phosphorus, plant uptake is mainly dependent on root growthrather than diffusion. Therefore, measurements need to be taken that benefit contact betweenroot and fertilizer, before fertilizer phosphorus becomes unavailable to the plant.

This thesis aims to present the essential background on how to perform climate changeimpact assessments, and to present the results from a climate impact assessment on waterbalance and nitrate leaching for an arable Swedish soil. The soil is a sandy soil in southwesternSweden, grown with spring cereals. This study is meant to be a benchmark example,and cannot be seen as a regional or national assessment for Sweden, rather as an approachto present and analyze the most important parts of these kinds of assessments.A dynamical simulation model (COUP, Jansson and Karlberg, 2004) was used for thisstudy. The model was parameterized and calibrated against data from an experimental site,located in Mellby in Hallands county, south western Sweden. Measurements were carriedout between 1st of April 1988 and 1st of April 1991.

The eutrophication of inshore seas, lakes and watercourses is mainly due to leaching of nitrogen and phosphorus (P) from agriculture. Many efforts are made to reduce the lea-kage of phosphorus in Sweden and the Baltic Sea countries. Phosphorus is also a finite resource and the mining of good quality raw material gets more and more difficult. Se-dimentation dams in combination with filters is one relatively new method to separate P from run-off and drainage water from agricultural land. This study was a part of an IVL Swedish Environmental Research Institute?s project which tests the capacity and func-tion for separation of phosphorus in four phosphorus filters.

The task was to design and manufacture a submersible displacement pump working with the wobble plate principle. The main task for the Wobble plate pump is to be used as a sewage pump for smaller households or dewatering pump in environments where small flows and high pressures are acquired. For these purposes ITT Flygt sell a screw pump, PC-Grinder 3068. The hydraulic part of the PC-Grinder is manufactured by a subcontractor. Therefore ITT Flygt wants to evaluate an alternative to their screwpump PC-Grinder, which can be entirely manufactured by them self.

Corn is an important food and feed crop in the world, in Sweden it?s up till now grown on limited acreages mainly for silage. But I think it can get more important if you can grow it also for grain, because it?s a good animal feed for example, for life stock-, pigsand poultry. On of corns advantage is that it can produce the same amount of dry matter as for example wheat, barley and rise but with 25% less water. I will examine if it possible to grow corn for grain production in the south of Sweden.

För att optimera sin teknik i olika kastgrenar använder idrottsmän på elitnivå idag mätningar med höghastighetskameror. Kamerautrustningen är dyr och svår att frakta. Utvärdering av det filmade materialet görs till stor del för hand. För att förenkla mätningarna fanns en ide om ett system som baserar sig på givare monterade inne i kastredskapet. Visionen är att bygga ett kastredskap som kan registrera sina egna rörelser under ett kast.

Herbicide resistance is the result of an evolutionary process where a population gradually changes from being susceptible to being resistant to an herbicide. The resistance mechanism is usually a change in the biochemistry of the weed, but in some cases changes in morphology or growth rhythm. The change is caused by random mutations. Two resistance mechanisms are found in black-grass; target site resistance and metabolic resistance.Black-grass is a tufty, winter annual grass weed, which is mainly found in milder climates. Black-grass is a big problem in Southern Europe.

The purpose of this paper is to examine what problems cabbage growers have with the Swede Midge. The last few years the Swede Midge, Contarinia nasturtii, has become a larger problem for cabbage growers in several countries in Europe as well as in Sweden. In Canada the problems are so severe that the midge is classified as a quarantine pest and therefore certain rules have to be followed. I have collected facts of the biology, host plants and reproduction of the Swede Midge, as well as the growers experiences and the occurrence of the midge in Canada, Europe and Sweden. The Swede Midge is hard to control because of its short life cycle and the larvae are protected between the heartleaves of the plant. When the larva feeds on the growth point the plant becomes distorted, in some cases several heads develop or none at all. When the midge infests spring rape its flower buds become undeveloped and rosette like.

Man började skära med vatten i USA för över 30 år sedan. Något senare kom idén att blanda tillabrasiv tillsats i form av sand vilket gjorde det möjligt att skära i hårdare material. Tekniken ärunder ständig utveckling och efterfrågan på möjligheten att vinkla skärhuvudet har på senare årökat.Vid skärning med munstycket och jetstrålen vinkelrät mot bearbetningsytan skapas ett litetvinkelfel vilket medför att snittytan blir konisk. Munstycket kan då vinklas för att kompenseradetta fel, så kallad vinkelkompensering. Munstycket kan också vinklas för fasning av detaljervilket är vanligt i samband med beredning före svetsning, så kallad fasning.

Crop efficiency in utilizing available nutrients is an important factor in increasing produc-tivity and reducing the environmental impact of agriculture. Nitrogen is the nutrient that plants need in the largest quantity and wheat, along with maize and rice, is the world's most cultivated crop. In this work, the Nitrogen Use Efficiency, NUE, during the major growth period, HTP, of twelve different spring wheat varieties, were examined. The NUE was calculated as the product of uptake efficiency of nitrogen, UN, and the conversion effi-ciency of nitrogen to biomass, EN. The purpose of this work was to find if there are varietal differences in NUE and its components among the twelve varieties and to link a high NUE to specific characteristics of the varieties.

For many years, sugar beets have been the most profitable crop for farmers with suitable growing prerequisites. During year 2007 when the grain prices increased and the EU reform decreased the payment for sugarbeets, it was no longer obvious to grow sugar beets in the crop sequence. With the latest agricultural reform in mind, farming has turned to a more open market and that is important for the independent farmer to adjust to the prevailing market presumptions. In the theory, scientists distinguish between unique and repetitive decisions. Unique decisions can be described as decisions made ones or not often. The opposite, repetitive decisions are decisons that have been made several times before.

A severe profitability decline in sugar beet production in all of Europe is one of the consequences of the latest reform of the EU sugar regime. In south of Sweden, sugar beets is the crop that has been the most profitable by far for the last decade. The high profitability has contributed to the high rate of increase in the price of land and has restrained the structural change towards a more effective agriculture. Because of the reform, all sugar beet producers are facing diminishing income and must find ways to compensate this. The aim of this master thesis is to study how Swedish farmers adapt to the sugar beet reform. A questionnaire was sent to 354 randomly selected sugar beet producers.

The trend towards increasingly large farming units raises questions regarding how to better monitor production. Larger units make the impact from possible errors more severe, which increases the pressure on management supervision. To cope with management issues, prevent errors and handle increased demands on traceability and documentation, the Real Time Location Systems (RTLS) concept is making its way into various parts of agriculture. In sectors outside agriculture, RTLS are already being used successfully to track and locate items through nodes at different levels of accuracy, such as room level or the relative or absolute position. Empirical data can be received in real time from the nodes.

Syftet med min uppsats är att utreda om EU:s reglering, som är avsedd att motverka effekterna av intressekonflikter inom kreditvärderingsinstitut, uppfyller sitt syfte. Kreditvärderingsinstituten är privatägda organisationer som avger oberoende yttranden om kreditkvaliteten hos en enhet, en skuld, finansiell förpliktelse eller hos ett finansiellt instrument. Kreditvärderingsinstitutens handlande anses ha varit en av orsakerna till att finanskrisen 2007-2008 blev världsomfattande. I och med finanskrisen blev det uppmärksammat att kreditvärderingsinstituten vidtagit handlingar som grundades i intressekonflikter och felaktigheter och de blev hårt kritiserade. Sedan finanskrisen har därför omfattande reglering för att motverka just intressekonflikter inom kreditvärderingsinstitut införts i EU-rätten, dessförinnan var kreditvärderingsinstituten i princip oreglerade inom EU.