This study deals with the technical and economic feasibility of replacing the nuclear power plant reactor Ringhals 3 with a biofuel power plant. A technical investigation has been executed to determine which of the systems and components that could be reused and which ones would need to be replaced. The investment costs of the reconstruction have also been estimated. The cost of the electricity production has been calculated as well as the emissions of the new biofuel power plant. Based on the established rate of return, the lowest average spot price of electricity that makes the investment profitable has been calculated.

Electrooculogram (EOG) data was used to develop, adjust and validate a method for drowsiness detection in drivers. The drowsiness detection was based on changes in blink behaviour and classification was made on a four graded scale. The purpose was to detect early signs of drowsiness in order to warn a driver. MATLAB was used for implementation. For adjustment and validatation, two different reference measures were used; driver reported ratings of drowsiness and an electroencephalogram (EEG) based scoring scale.

This C-essay focuses its research on the taste of guitarplaying and non-guitarplaying soundengineers, in using single or dual microphone setups when recording electric guitar. It will be shown if there is a significant difference in taste when using one or two microphones between the two testsubject groups. Two classical microphone setups have been used for the test of this essay, which includes a blind listening test. The information in this test will benefit both guitarplaying and non-guitarplaying engineers by getting greater knowledge regarding what kind of microphone setups to use for different occations. The findings in this essay show in general, that guitarplaying and non-guitarplaying engineers between the ages of 19 - 26 don?t have a specific taste between single or dual microphone setups when subjected to the blind listening test..

This report discusses a method to detect divers in harbour environments usingpassive acoustic detection. The goal was to achieve as high detection as possiblewithout having too high false alarm rate. A short execution time was also desirable.By using the characteristic of an inhalation a band-pass filter was applied to the signalto improve the signal to noise ratio. After the filtering an energy estimation of thesignal was made. This energy estimation was later used in a frequency analysis, whichcould tell us if there were enough energy in the frequencies that correspond to adivers breathing frequency.

Background: Since1994, the EU NickelDirective is limiting the release of nickel from objects that are in prolongedcontact with skin. Despite this, nickel is still the most common cause of contactallergy in industrialized countries. This could implicate that other productswith short contact to the skin, which are not restricted by EU´s legislation inREACH (Registration, Evaluation, Authorisation and Restriction of Chemicalsubstances), could be a source of nickel or cobalt exposure. There is no limitfor cobalt release within REACH. To determine if there is cobalt or nickelpresent on the surface of a material and if metal can be released in contactwith the skin, there are quantitative and qualitative methods, such as the DMG(dimethylglyoxime)-test, the cobalt spot-test and a method for releasedetermination according to EN1811.Objectives: Laptops are not included in the REACH legislation.

This project measures the upper bound of exposure time for laser reflection detection in the software DotDetector. Via measurement of the exposure time for which distortion happens in a room lit with everyday light we conclude that the upper bound for exposure times are 100 milliseconds. This value does not change as long as the lighting in the room is the same. As future work this project proposes variable upper bounds depending on secondary lighting in the room. Also we propose automating the colour masking of the detection algorithm..

Mould is a common contamination in cereals. The growth of mould can stimulate mycotoxins production andsome of which at critical concentrations cause health problems in humans and animals. Fusarium is one of thefungus species that has been found in crops and can cause major problems for farmers such as reduced harvestand economic losses. A group of Fusarium species, Fusarium avenaceum, Fusarium poae and Fusariumtricinctum express a mycotoxin, enniatin. The limited information available today about enniatin-forming fungiis that they grow out on fields of wheat in colder climates.

This thesis is a report concerning the practical aspects on exhibition techniques. During an internship at the National History Museum in Stockholm I participated in the work with their new, temporary exhibition Gränslöst - en global utställning på Historiska museet [Boundless - a global voyage of discovery at the National Historical Museum]. I was part of a small project team of museum staff. The purpose of this exhibition was to show how cultures have met and influenced each other throughout history. The National Historical Museum has in its collections and exhibitions several examples of objects that has been imported from or inspired by other cultural areas.

X-ray fluorescence (XRF) detection of heavy metals is a cost- and time-effective method for investigation of polluted areas. Compared to laboratory analysis, XRF analysis is limited by high detection limits and uncertainties in some situations. Preparation of samples is known to affect the results of measurements.The purpose of this thesis is to bring a deeper understanding of how different factors affect the results of XRF-analysis. A large number of measurements have been made with the instruments Niton XLt 700 and Niton Xli 700. Results from measurements of lead, zinc and copper have been analysed.This study has shown that a greater moisture content will give a lower measured concentration for the same sample.

A method for intra vitam detection of bornaviral infection and diagnosis of bornaviral dis-ease in the cat is currently lacking. The aim of this work was to explore the possibility of using the proximity ligation assay (PLA), with its capacity of recognizing femtomolar con-centrations of a protein, as a method for detection of the minute quantities of antigen and antibodies that are present in the tissues and body fluids of a bornaviraly infected cat. For this purpose reliable comparative assays, in the form of an ELISA and an IFA, had to be established. When this proved impossible within the time frame of the project, the aim of the study had to be abandoned, further underscoring the need for improved means of detec-tion of bornaviral antibodies and antigen..

Hard-to-heal ulcers are resource intensive due to the fact that they are difficult to treat and especially vulnerable to bacterial invasion. The bacterial culture contaminating these wounds often consist of several different bacterial organisms that originate from endogenous sources. Necrotic material in ischemic ulcers provide nutrition which support bacterial reproduction, increasing the risk of infection. Determining causative pathogen in infected ulcers proves to be difficult when culturing swab samples, however Staphylococcus aureus and hemolytic streptococci generally act as primary pathogens.    The aim of the study was to investigate if the detection rate increased for S. aureus and hemolytic streptococci when culturing swab samples from ulcers on Columbia CNA; a media selective for gram-positive bacteria.

I denna uppsats undersöks om terminspriset på el är snedvridet jämfört med det framtida spotpriset. Undersökningen har fokuserats på elmarknaden och den prissättning som sker på den Nordiska elbörsen, Nord Pool. Först presenteras en teori om varför det finns en derivatamarknad och vilken betydelse den har. Vidare så förklaras vad som menas med spot- respektive terminspris och därefter förklaras hur de förhåller sig till varandra utifrån ekonomisk teori. Sedan introduceras hur marknaden fungerar på Nord Pool och hur prissättningen sker av spot- och terminspriset.

This bachelor thesis brings up a discussion about museums availability and access to thearchaeological display objects towards blind and visually impaired visitors. The study phasewill take start in analyzing four museums in south Sweden, all which have exhibitions aboutthe prehistory.Visually impaired and blind visitors don?t have a lot to go on at the current exhibitions aboutprehistory. This is because of the lack of access and availability when it comes to their specialneed. To raise awareness to this problem I took out a survey for the museums to answer.

Influenza is a viral infection that affects global health and economy with its endemic and sometimes pandemic spread. Rapid detection of Influenza viruses enables antiviral use and can bring financial savings. It is also essential for the global surveillance of prevalent Influenza strains. RT-PCR is considered the most specific and sensitive method for detection of Influenza, but Influenza mutates at a high rate and it is therefore crucial that RT-PCR methods are updated regularly.In 2014, Cepheid released their Xpert Flu/RSV XC assay, which can detect Influenza A and B and RSV by multiplex RT-PCR in approximately one hour. The aim of this study was to evaluate this assay at Laboratoriemedicin Västernorrland by using the laboratory?s previous PCR assay for detection of Influenza viruses as reference method.Real-time RT-PCR was used to compare Xpert Flu/RSV XC to the reference method.

Empatiträning i form av simuleringsövningar är en frekvent använd metod inom psykologin. Effekterna av den ger dock motstridiga resultat på ökningen av empatin. Den här undersökningen testade om flickor har högre empati än pojkar, om empati går att öka med övningar samt om det finns ett samband mellan välmående och empati. Övningarna inbegrep bland annat simulering av blind- och dövhet samt forumspel om mobbning. Deltagarna fick före och efter övningarna svara på en enkät som analyserades kvalitativt och kvantitativt.