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Detta examensarbete behandlar fyra helt skilda processer: Plask och Pysen, elektriskt servo, varmluftsaggregat samt vattenuppvärmning, vilka skall ligga till grund for en ny laboration i den allmänna kursen i reglerteknik. För provesserna har, vid behov, en matematisk modell framtagits, vilken sedan i görligaste mån experimentellt bekräftats. I ett till varje process hörande appendix ges förslag t

Giftigt lakvatten skadar småkryp Vattnet är turkos-färgat och innehåller giftigt höga halter av metaller, så småningom fälls metallerna ut och bildar en orange sörja som lägger sig som en kvävande filt över allt i vattnet. Livet är inte lätt för vattenlevande småkryp i Fredriksdalsviken. En rejäl översvämning år 2007 i Kristianstad fick missfärgat vatten att välla ut över strandängarna i naturresThe leaching of metals caused by drainage of peatland soils was, in Scania, brought to attention after a flood in Kristianstad 2007. The flood caused large areas of wet meadows to be covered in iron (Fe) and aluminum (Al) contaminated water and one of the affected areas was Fredriksdalsviken, a nature reserve important as a breeding area for birds. The negative effects of these metals on macroinve

Do European nightjars migrate via Öland in autumn? Bird migration is a common phenomenon of the natural world with at least 4,000 species of birds being regular migrants. Many of those species have to cover long distances from breeding grounds in the northern hemisphere to wintering grounds in the tropics. They often face ecological barriers e.g. deserts or oceans with no food supply. Therefore i

I present here population trends of 52 bird species with coastal- breeding populations for the period 1990 to 2016. The trends are based on data collated from 51 surveillance programmes on breeding birds, which together covered most of the Swedish coastline. I related the trends to foraging guild, the species' distribution, and the species' climatic envelope. I also compared trends inside

The purpose of this thesis is to differentiate between the usage of three very similar Japanese conditionals: nara, nonara, and nodattara. A questionnaire study to find connections between the choice of conditionals depending on the surrounding expressions was conducted to establish potential rules and patterns of usage. The research found that short sentences, negative protases, and conditionall

This paper examines the impact of the ASEAN-Japan Comprehensive Economic Partnership (AJCEP) on import by studying both the trade creation and trade diversion effect. The standard gravity model is augmented and tested on a sample of 36 countries based on aggregated data from 2000 to 2015. To obtain consistent and efficient estimation results, unobserved multilateral resistance terms will be addres

The United States has the highest incarceration rate in the world. The phenomenon of mass incarceration largely confines minorities and people living in poverty. More than 600,000 prisoners are released yearly to face barriers of reentering society. Struggles of finding employment, housing, and being denied social services, due to their criminal record, generate a system where former inmates becom

Det är viktigt för blivande läkare att kunna göra korrekta riskbedömningar utifrån patienters testresultat. Tidigare forskning indikerar att den förmågan kan vara bristfällig, men att den går att förbättra genom ett nytt format att presentera statistik på. Det nya formatet kallas naturliga antal och är potentiellt användbart inom undervisning i medicinsk statistik. Den här studien är den första i The ability to draw diagnostic inferences from medical test results is important for future doctors. Earlier research has indicated that this ability may generally be inadequate. However, it can be improved by presenting statistics in a new format, so called natural frequencies, which is adapted to the way the human mind process probabilities. If the effect of this format is robust and generalizab

Urban environments are rapidly growing worldwide with severe consequences to animals and plants residing in our cities. Some of the most well-studied urban wildlife is passerine birds, where a wide array of effects have been documented; smaller clutches, earlier breeding, shorter telomeres and oxidative stress are just some costs among numerous others. Yet, few studies have so far investigated the