Gasturbiner används idag främst i olika typer av kraftvärmeanläggningar, tidigare fanns det även gasturbiner som användes för framdrivning av olika fordon, men dessa har till stor del konkurrerats ut av dieselmotorn eftersom de inte har kunnat mäta sig med dieselmotorns bränsleeffektivitet. Små gasturbiner som har en effekt under 500 kW brukar kallas för mikroturbiner. Kännetecknande för denna typ av gasturbiner är att de ofta bara har en roterande axel och roterar i höga hastigheter.Syftet med denna rapport är att undersöka om en mikroturbin med framgång kan användas som Range Extender i en seriehybridbil. Finns de tekniska förutsättningarna som krävs för att bli konkurrenskraftig mot andra tekniska lösningar som kan användas för samma syfte? Speciellt fokus läggs i rapporten på att undersöka användningen av värmeväxlare och keramiska material i mikroturbinen.

The aim of this report was to investigate if Sweden can have 100 % renewable electricity production in the year 2050. The conclusion is that it is possible but under certain conditions. For instance wave power must be in commercial use. When wind power and solar power represent a large percentage of the electric production there will be a lack of electric power during the winter but during the summer there will be a surplus of electric power. Both the surplus and the lack of electric power need to be taken into account.

The purpose of this Master?s thesis is to investigate how diversity takes shape in children?s picture books published in Sweden. Twelve picture books, which touch the aspect of diversity in the categories of gender, ages, culture, nation, ethnicities, language, class, sexuality and functional disorder, were chosen from the Swedish National Council for Cultural Affairs catalogue for youth and children?s books 2006. They have been analysed with the conception of ikonotext and with the theory of Pierre Macherey?s image in the mirror, of how literature reflects the reality of society.

One special feature in the Swedish nature, mainly in the county of Uppland is one distinctive kind of dip, which can be distinguished from its fast and unaccounted drainage. These dips are called ?glupar? and can mainly be found in coarse-grained pebbled moraine under the highest shoreline (HK). During spring, and particularly when snowmelting occur, the wateramliptude fluctuates a lot until late summer or the beginning of fall comes; these dips are then often almost fully drained. During winter however, the waterlevel stands high.

Background: Folate is a water - soluble vitamin necessary for normal DNA synthesis among  other mechanisms. Folate deficiency can cause megaloblastic anemia resulting from abnormal erythrocyte d evelopment. At the Department of Clinical Chemistry, Linköping, analysis of folate is performed with Siemens ADVIA Centaur® XP which uses an immunochemical method with chemiluminimetric detection. Currently, the assay is conducted on serum, is poured off and frozen after 48 h and treated with light protection because folate is considered to be light sensitive.Methods: This study tested lithium heparin plasma for analysis of folate with Siemens ADVIA Centaur® XP with the aim to be able to perform a package of analyzes in anemia investigation from the same collection tube. Furthermore, the stability of folate was studied for up to 168 h and examined regarding light sensitivity.Results: Statistically significant higher values were obtained in the analysis of folate in lithium heparin plasma than folate in serum (p < 0,001).

Difficult calvings and stillborn calves are costly for the producer and lowering these frequencies can decrease the costs for the dairy operation. Each calving in the herd is registered by the farmer and stored in a central database. The information is used to monitor the level of calving-difficulties and stillborn calves in the herd and nationally. Monitoring of these registrations is important to detect possible changes. Breeding-value prediction for calving traits is based on the calving information in the database.

The bark from prehistory ? an osteological analysis on dog bones from the Stone Age settlements of Hemmor and Gullrum at Gotland and a theoretic study of the secular and sacred roles of the dog during the Neolithic.Dog bones from two Pitted Ware Culture (around 2500 BC) settlements, Hemmor in När parish and Gullrum in Näs parish/Havdhem parish, at southern Gotland, Sweden are analyzed. The analysis contains a study of age, withers height and size estimation as well as skeletal changes and pathologies. The attempt of the analysis is to highlight the secular and sacred role of the dog during the Neolithic at Gotland. The dog bones were collected during excavations in the years 1890 and 1903 and were found across the entire surfaces of the settlements.Although there were no specific dog breeds during the Stone Age, the dogs at Hemmor and Gullrum show a wide range of size (withers height spans from 39,74 cm to 56,47 cm) and may therefore have been used for different purposes depending on their size.

The purpose of this examination work was to make a general description about drying and storage of grain, and a case study with a comparison between brought and home-made feed. The case study was made on the farm Solhem in Hörby, a farm that produces 3870 pigs for slaughter a year. In this project three alternatives have been compared, 1st alternative: own produced grain approx. 400 ton + wet grain 415 ton purchased during fall, 2nd alternative: own produced grain approx. 400 ton + dry grain 415 ton purchased during winter, 3rd alternative: bought feed 815 ton purchased continuously during the year. Considering the price information provided to me the 1st alternative gave the cheapest feed..

The Angolan black and white colobus monkey (Colobus angolensis palliatus) is an arboreal primate that inhabits coastal forest fragments on the south cost of Kenya and is consequently vulnerable to forest fragmentations. The study was carried out in March and April 2011 in Diani Beach in Kenya where two of the largest populations of the species are distributed. This study is a pilot study to test methods for a Master?s thesis. The aim was to investigate any variations in use of two habitats of C.a.

Most studies regarding wolf (Canis lupus) predation on moose (Alces alces) have focused on the total annual consumption of moose within a wolf territory but few have tried to describe the spatial impact of wolf predation on a local scale. In this study I have analyzed wolf movement data, wolf predation, moose hunting statistics and moose hunter observations to investigate how wolf predation affects the human harvest of moose in Scandinavia. Since wolves prey on mostly juvenile moose during summer, analysis of their summer movement patterns is crucial to understand its impact on the human harvest later during autumn. In this study both reproducing (n = 45) and non-reproducing wolves (n = 12) reduced their movement range during summer to 66% and 67% of their annual movement range, respectively. Reproducing wolves increased their movement range from early to late summer while non reproducing wolves did not.

Tourism is a growing industry that brings in a lot of money each year, range ofactivities increases and people travel more than ever before. More and more chooseto move from rural areas to larger towns, at the same time when people are travellingthey want to visit quieter places that can offer outdoor experiences in the nature. Thisis something that tourism businesses located in rural areas have a great advantage of.But when the range is large, it becomes important for firms to communicate with themarket, to make the tourists choose to visit them.The purpose of this study is to investigate which media channels and target groupsthat tourism businesses use and how they reflect on the importance of communicatewith the market. To find this out, interviews have been conducted with tree differententrepreneur, all located in Jämtland. The theory?s that has been used is strategiccommunication, public relations, market communication, media channels, socialmedia and target groups.The result shows that all companies think that thecommunication with the market is an important part in the work with the company.The communication gets the business a chance to be seen and it becomes more easilyto create relationships with the stakeholders.

The purpose of this final thesis is to investigate the effects of seasonal changes in the horticulture industry. In this study this includes mainly garden designers, constructors of gardens and parks and horticultural businesses at Österlen. Today the most important issue,both in private and in public environment, is that the winter occupation in this area is not big enough. The consequence of this issue can result in the loss of competence to other industries if educated personnel has to stay employed only over season. The study is trying to identify and rank factors that are contributing to the problem, and propose solutions that means work opportunities for companies in the horticulture industry as well as for their employees, during twelve months of the year..

Syftet med den här uppsatsen är att se hur dags- och kvällspress framställer en konflikt som involverar dem själva och spekulera i detta hanterandes konsekvenser. Detta görs genom en analys av artiklar där tidningarna tar ställning i debatten. Fokus ligger på hur de olika parterna i konflikten framställs samt vilken syn på massmedias egen roll i konflikten som förmedlas. För att uppnå en givande analys har kritisk diskursanalys kombinerats med teorier om etnicitet och rasism..

Ett begränsat utbud av växter kan antas påverka privatpersoners trädgårdsintresse negativt. För norra Norrland begränsas utbudet av lignoser till dem som har tillräcklig härdighet. Det kan dock antas att fler lignoser utöver de som säljs idag, har potential att användas i denna del av landet. Detta examensarbete har som syfte att ta reda på hur försäljningen av lignoser i norra Norrland ser ut idag. Vidare undersöks också om en utveckling av lignosutbudet pågår och hur arbetet med denna utveckling i så fall ser ut. Vem eller vad som kan påverka så att fler härdiga lignoser kommer ut på marknaden har varit en central frågeställning.

Sweden's drinking water quality is considered to be high partly due to a high quality of the raw water and a well developed sewage infrastructure. Despite this, there is water contamination that could be prevented by installation of a sophisticated early warning system. Some of the major players in the production of drinking water have already invested in different types of early warning systems to ensure drinking water of high quality. There are various forms of early warning systems where automatic monitoring of E. Coli is an interesting alternative.