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2996 Uppsatser om Power of concentration - Sida 61 av 200

Voltage Sags Indices and Statistics

Voltage sag indices are a way of quantifying the performance of the power supply, as far as voltage sags are concerned. Indices can be defined for individual events, for individual sites, and for a whole system. A standard method for single-event methods is part of IEC standard 61000-4-30.This thesis emphasizes the importance of voltage sag indices and different methods for calculating three-phase voltage sag characteristics. Three-phase events measured in a medium network voltage over period of one month were analyzed, results examined and statistically evaluated. An algorithm for calculating voltage sag characteristics and indices was created in Matlab.

Sömn och Powernap - Dess betydelse för återhämtning och prestation

During sleep the majority of the body?s production of anabolic hormones is produced and sleep is a general anabolic state of being. It has been to our recognition that a powernap is 4-6 times more effective when it comes to sleep intensity than the last 1-2 hours of a traditional eight hour sleep. With this in mind, and that elite athletes worldwide often sleeps in between their training sessions. This study has tried to prove a hypothesis which comes from the assumption that you can recover and perform better during times with intensive periods with better distribution of your sleep.We have in this study let three test subjects take part of a six week long program with two different training periods for legs.

Ensamkommande flyktingbarn i media : - en diskursanalys

This research intends to study the media's representation of unaccompanied refugee children on the basis that the media has a power in the construction of society. The focus is on whether children's vulnerability and needs are presented in the media and whether the children?s voices are heard. It is also of interest to study the agents that speak in the media concerning unaccompanied refugee children. The study is based on a theory that social reality is a construction of interaction between individuals and groups. Furthermore the study also incorporate the idea that the media, through its control of language, has power to create discourses which may affect the way different groups in society are looked upon.

En fallstudie om bekräftelse i en förskola

AbstractThe purpose of this study is to answer the following questions regarding confirmation: In what ways do children seek confirmation in preschool? What are children confirmed for and how do they react to the confirmation? How is confirmation used by teachers? What do children want to receive confirmation for?The starting point for this study is based on the unique theories of Skinner, Maslow and Bronfenbrenner. The main focus with regard to Skinner?s theory (in this study) lies in reinforcement. In Maslow?s theory, the concentration is on hierarchy of needs while in Bronfenbrenner?s theory, the study centers upon interaction.

Spanjorer är vi allihopa? : En kvalitativ studie av hur spanska och katalanska tidningar identifierar Kataloniens självständighetsprocess.

The Catalan movement of Independence is a well debated subject in Spanish news for the last decade. This thesis aims to examine what kind of identityarguments that spanish versus catalan newspapers make about the independence movement, in relation to nationalism and national identity. This is to deeper the understanding about the current complex situation in the Iberian Peninsula. The research shows that identityarguments about the independence movement presented by catalonian newspapers clearly put focus on identifying the ethnic and cultural reasons for the growing nationalism in the region, as well as discussing the political possibilities and obstacles of a sovereign Catalonia. In comparison, the identityarguments presented by spanish newspapers has another view of the situation, where the political aspect of the nationalistic catalan movement, identify the process as defying the Spanish Constitution and challenging the traditional historic unity of Spain.

Allanblackia stuhlmannii ? a tree under current domestication: what are the soil requirements?

Allanblackia is a genus of trees that grows in the rainforests of West, Central and Eastern Africa. Its big fruits contain seeds very rich in oil which has been used by local communities for cooking and making soaps. The native stands are threatened by overexploitation and the demand for the oil is much greater than the supply. Domestication programs, aiming at introducing the trees to small holder agroforestry systems, have been started for some of the species. The main aim of this study was to investigate the soil requirements of Allanblackia stuhlmannii in terms of chemical and physical parameters, as revealed by the soil conditions in native stands. Another aim was to see if these varied along an altitudinal transect.

Sinnesstämningens påverkan på det verbala flödet

Results from previous studies have showed that people with depression has an impaired verbal fluency. The aim of this study was to investigate whether individuals with depression also generate more words containing negative valence. Controlled Oral Word Association test were administered to a group of 13 mildly depressed individuals and a group of 20 non depressed individuals. The fluency and valence of the words produced was analyzed.The results showed no significant differences between the groups regarding either verbal fluency or negative valence. However, a significant positive relationship was found between a negative mood and negative valence.

Den nya skollagen och skolorganisationen i Malmö stad : en kvalitativ undersökning om skolkuratorernas upplevelse

The purpose of our studyis to investigate how the changed Education Act in Malmoe affects the work of school counselor in elementary school and how it further may affect the work. We were also investigating counselors? views on the politically increasing transparency of student health that comes as a result of the new school organization in Malmoe. To obtain our results, we have chosen to use a qualitative research interview, where we have chosen a semi-structured interview form. We have chosen two theories, Foucault -power and discipline and organizational theory.

Flygbesiktning av Luftledningar : Modellering av samband mellan besiktningsanmärkningar och systemtillförlitlighet

This paper thoroughly investigates needs and requirements for overhead distribution feeder inspection and develops models to investigate possible relations between short term inspections remarks and outages. The study was conducted in collaboration with Fortum Distribution AB that supplied extensive information about their overhead power feeders concerning both inspection and power outages. The investigated models where lognormal linear model, Poisson generalized linear model and negative binomial generalized linear model. All models were implemented utilizing offset terms to compensate for differences in feeder length and amount of overhead versus underground feeders. The Poisson generalized linear model was rejected at an early stage due to overdispersion and neither of the remaining models fit the data perfectly.

PRODUKTIVITET N?R ARBETET BEDRIVS P? DISTANS med inslag av social n?rvaro och motivation

This study investigates how productivity works when employees have remote work in their workplace. This study will also focus on challenges that cause productivity to decrease when remote work applies. The empirical data shows that individual productivity increases when employees work in a workplace that provides remote work. The data says that less distractions and high autonomy is a big factor to why employees feel that they work productively at home. Briefly it shows that a flexible workplace makes individual employees work productively and even motivates employees to work effectively because of increased concentration and undisturbed work environment.

Konstruera och rekonstruera traditionell kunskap - en diskursanalytisk studie av texter om internationellt utvecklingsarbete

The master's thesis investigates how the concept traditional knowledge is represented by international organizations that are influential in development work and policy making. Departing from a theoretical framework drawing on Michel Foucault, constructed aspects of knowledge and the power relations knowledge production implies are highlighted.A recent interest within library and information science and practice to document this kind of knowledge raises questions about how traditional knowledge differs from other forms of knowledge and how knowledge organizational tools can be applied. Investigations, which critically explore the concept traditional knowledge, the power relations the concept creates as well as the interests and purposes it serves, have been surprisingly absent within the discipline. The focus in this master's thesis is how traditional knowledge is conceptualized by international organizations. A discourse analytical approach reveals the power relations that are inherent in their descriptions of traditional knowledge and how they describe the relevance of the concept for their work.

Att mötas under en övervakningskamera - En studie av Malmö stads trygghetsarbete

This essay is about security and safety in the city. More precisely it is concerned about the role of the institutions that aims to raise the perceived security and safety and their understanding of these concepts. I study two of the municipality's project in this field in the city of Malmö. Documents concerning these projects are analysed with a discourse analysis inspired by Chantal Mouffe and Ernesto Laclau as well as Michel Foucault. The two projects consist of one discourse each; the surveillance discourse and the discourse about meetings.

Evaluation of a method for determinationof glutathionereductase activity inerythrocytes

Glutathione (GSH) is a molecule that consists of three amino acids: glutamic acid, cysteine and glycine. GSH has several important functions: to protect cells from free radicals, reactive oxygen species and oxidative stress. GSH exists in a reduced form, GSH, and in an oxidized dimeric form, glutationdisulfid, GSSG. The enzymes glutathionereductase (GR) catalyses the reduction of GSSG back to GSH. Nicotinamide adenine dinucleotide phosphate (NADPH) is required as a coenzyme in the reaction.

Behöver tillväxten en stad? Om Dublin som politisk arena, aktör och tillväxtmotor

This thesis intends to examine the role of the city, Dublin, in the Irish economic growth during the 1990s. It is a case study where Dublin is compared with current theories on post modern cities as growth machines and increasingly prominent actors in the global context. The study has an interdisciplinary approach but focuses on political science issues such as power distribution, global-local governance and local political organisation. It is a theory driven study that also intends to add aspects to the understanding of the cities of our time. I argue that Dublin has faced a lot of changes during the last decades in accordance with the post modern city.

Hur korrelerar GIH:s Pyramidtest med VO2max på rullband för elitorienterare?

Syfte och frågeställningarSyftet med studien var att undersöka för elitorienterare resultaten vid och korrelationen mellan ett så kallat 5 minuters pyramidtest (5MPT) och ett maximalt test för bestämning av maximalt syreupptag (VO2max) på rullband. Frågorna vi ställde oss var: Vilken korrelation föreligger mellan 5MPT och ett bestämt VO2max på rullband hos elitorienterare? Hur ser en jämförelse ut mellan uppmätt samt beräknat VO2max? Vilken är reliabiliteten för 5MPT? Hur ser ekvationen ut för att beskriva sambandet mellan dessa två olika maxtester?MetodI valideringsstudien deltog 16 elitorienterare (6 kvinnor och 10 män) i åldrarna 17 till 37 år. De två testerna som genomfördes var 5MPT och bestämning av VO2max på rullband. 5MPT är ett skytteltest som är fem minuter långt, där testpersonen (tp) tar sig fram och tillbaka mellan två stolpar (sträcka 5.5 m) där en vertikal trappa (formad likt en pyramid) passeras under varje vända.

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