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7860 Uppsatser om Density functional theory - Sida 64 av 524

Svininfluensan : en kritisk diskursanalys av medias rapportering

Media has the power to influences society. Some call them the third power of a state. Through amongst others, the agenda setting theory and the framing theory, this report seeks to understand how media describes the swine influenza and how it uses its power to influence people to vaccinate. As this report will show, there is no doubt that media has had an impact on the Swedish population of which 60 per cent followed through with the vaccination. Media used an information discourse and attempted to present its articles in an impartial manner and used governmental authorities and experts to support its arguments.

Tidspress och ekonomiskt risktagande

Stress and time pressure is more present in todays labor markets. In financial markets a securities broker is forced to take decisions on investments under high cognitive load and under extreme time pressure. The research of decision under risk gained new ground with the development of the prospect theory and gave us new insights to the decision making of men. Prospect theory has shown that people are risk seekers when dealing with loss decisions and risk avert when dealing with profit decisions. The value function are defined over gains and losses.

Ageism: A literature review

Background: The studies analyzed have shown among other things that ageism appears to be an overlooked category in intersectionality studies, elderly is offered care in worse conditions than non-elderly and stereotypes restrict elderlys social space to act. The gray tsunami is approaching but studies show that large gaps separate different agegroups. Aims: The study discuss how scientists reason about ageism towards elderly in a social science discussion. Method: A literature review was conducted in which fifteen articles were analyzed. The database used, is the librariescatalog Summon, at Malmö University. The articles was compiled in themes to give dilated clarity in ageisms complexity towards elderly. The results are being discussed on the basis of terror management theory, gerotranscendence and social identitity theory. Results: Elderlys relation to society's expectations about aging can affect a self/body-dualism, a split.

"Alla kära feminister" : En diskursteoretisk analys av de feministiska antologierna Det heter feminism och F-ordet.

This thesis is a discourse theory analysis of two feminist anthologies - Det heter feminism! and F- ordet.  By analyzing these texts through the three categories feminism & feminists, gender equality & equality and sex/gender & sexuality I have raised questions about the feminist debate in Sweden in the 21st century.The discourse theory?s ideas of descriptions of reality and fixation of meaning lies as a foundation for this thesis. The concepts of social constructionism, post structuralism and essentialism/anti essentialism are central for the analysis as well as concepts connected to the three previously mentioned categories.The intention of this thesis is to describe and analyze a fraction of the Swedish feminist debate in the 21st century and discuss its meaning in a societal context. A number of conclusions were reached in the final discussion.

Utveckling av modellbaserad reglering i kommersiella styrsystem

In industrial control systems PID-control remains the prevalent strategy, also for processes that would benefit from model based control. The purpose of this thesis is to evaluate whether model based control can be readily implemented in an industrial control system. To this end a simulated surge tank with a simulated industrial control system is studied. For evaluation two scenarios with specified objectives are selected.Following a review of LQR and versions of MPC, Predictive Functional Control (PFC) is considered the most suitable for implementation. PFC is a form of MPC developed with industrial applications in mind and therefore has several advantages for implementation in an industrial control system.

PReklam? : En kvantitativ studie som undersöker vad gymnasieelever i årskurs 3 förknippar med begreppet PR

 Background and aim: Media development and digitalization has expanded the PR industry's working area. More participants are on the media market and it is becoming more and more difficult to define what PR really is and what the PR agencies/departments really do. Is PR marketing, information, event marketing or maybe propaganda? We believe that the complexity to define the term PR can lead to a loss of critical approach to the business, especially among young people. Has the PR industry managed to eliminate their negative image among students in upper secondary school and what do they associate with PR today? The aim of this essay is to examine what a selection of students associate with the term PR and if they are critical to the PR industry or not.Method/Material: The method is a quantitative survey.

Marktillstånd och borbrist på åkermark planterad med gran i Västerbottens län :

This study was made on former agricultural areas that had been planted with spruce or pine, in the county of Västerbotten. The goal of the project was to investigate suspected deficiency of boron in these areas. Several objects have been reported for possible deficiency and some of these have the characteristic symptoms of boron-deficiency. The hypotheses are that 1) Boron deficiency is present at several of the investigated objects. 2) Planting of forest on cultivated postglacial sediments leads to a successive podzolisation with a decreasing content of organic matter in the mineral soil, due to decomposition, and a decreasing pH in the soil, even on locations that have been added lime. To be able to confirm or reject the hypotheses a number of tests were performed.

En undersökning om fallolyckor med gångtrafikanter

The purpose of this study was to investigate different relations between the damages of falls and background variables as well as the relation between the falls and the weather condition to later be able to use this report to expand the knowledge among workers at VTI about the pedestrian fall injuries. All of the fall injuries in the data that this study is based on have occurred in Sweden during the time period between January 2003 and December 2011.To be able to answer the questions that this report is based on several statistical methods are used. The statistical methods that have been used during the making of this report are multiple linear regression, binary logistic regression, correlation analysis, association analysis and descriptive statistics as well as visual analysis.The results of the study show that women around menopause age have a tendency to get a big increase in the amount of injuries compared to men of the same age. The study also suggests that men on average tend to have a lower level of injury compared to women.Age also seems to affect both the amount of injuries and the level of injury negatively. The study suggests that the most likely reason for this is both that the intake of ?Fall Risk Increasing Medicine?, which is medicine that increases the drowsiness, is higher among older individuals as well as lower estrogen levels among older women and lower amount of testosterone among older men, which causes a loss of bone density in both sexes.The weather seems to have a strong effect on how many injuries occur but also a noticeable effect on the scale of the injury.

Vi behöver prata: en studie om kommunikationen om förväntningar i en nära relation

Detta examensarbete hade som syfte att undersöka hur förmedlingen av förväntningar ser ut i en nära relation. Frågeställningarna handlade om huruvida olika kommunikationsstilar hade någon påverkan och om det fanns skillnader mellan män och kvinnor, eller beroende på hur länge paren hade varit tillsammans, när det gällde förmedlingen av förväntningar i en relation. Social Exchange Theory (Thibaut & Kelley, 1959) har använts som grund för undersökningen eftersom den ger en tydlig förklaringsmodell över förväntningars inverkan på en relations tillfredställelsegrad. Metoden som användes var av kvantitativ art där enkäter var det instrument som tillämpades. Enkäterna fylldes i av 13 par som hade varit tillsammans i minst 6 månader.

Varför dela makten? En studie av consociationalism och Democratic Unionist Partys beslut att delta i regering på Nordirland.

On the 8th of May 2007 a local power-sharing goverment consisting of Sinn Fein and the Democratic Unionist Party (DUP) was formed in Northern Ireland. The aim of this dissertation is to explore why the DUP, who in the past have opposed all forms of power-sharing decided to form a goverment and take active part in a power-sharing agreement. The study is based on a consociational theoretical framework developed by Arend Lijphart and further developed in a Northern Irish context by John McGarry and Brendan O'Leary. Using this theory the study seeks to understand the broad conditions surrounding the DUP's power-sharing. After a description of consociational theory and the road leading up to the Belfast Agreement,three possible explanations for power-sharing, based onconsociational theory are discussed.

Preventiva åtgärder mot osteoporos och osteoporosrelaterade frakturer

Osteoporos är en sjukdom som under de senaste decennierna ökat. I Sverige inträffar det cirka 70 000 osteoporosrelaterade benbrott varje år. Den största gruppen som drabbas är kvinnor efter menopaus. Syftet var att belysa faktorer som är av betydelse för prevention av osteoporos och osteoporosrelaterade frakturer hos postmenopausala kvinnor. Metoden var en systematisk litteraturstudie bestående av 10 vetenskapliga artiklar varav 9 baserade på kvantitativ och en på kvalitativ forskning.

Är etiska fondinvesteringar försvarbara : vad kostar etik?

Recently, the selections of ethical funds are increased; at the same time investors with social and moral preferences have increased in the capital market. There are currently debates on whether ethical funds perform better or worse than funds without ethical criteria. This also involves a vivid discussion on whether investors know about the consequences of investing in ethical funds. Therefore, this study involves theories about the rationality and decision theory, in addition to what mainly control the investment decisions. The study also discusses portfolio theory since this is one of the underlying theories behind fund management and its development.The purpose of this study is to explain if ethical limitations in the selection of securities affect risk and return in the fund portfolio.

Varumärkessamarbeten mellan LVM och EVM vid kategoriutvidgningar: En Fungerande Strategi?

This thesis examines the possible beneficial effects of a temporary cooperation between a national brand and a private brand. The main hypothesis suggests that if a national brand wants to make a category extension to a remote product category, it should be able to decrease its risk by affiliating itself with a private brand. The national brand should through such a brand alliance be able to borrow some of the flexible characteristics that a private brand possesses to increase its associations with the new category. The survey consisted of 800 questionnaires with different cooperations between a private brand (ICA) and two national brands (Tropicana and Bravo). These were handed out to students in the universities of Stockholm.

Biologiska behandlingsmetoder för rening av rejektvatten från biogasproduktion

In this literature review the characteristics of two free-floating macrophytes, water hyacinth   (Eichhornia crassipes) and duckweed (Lemna sp.), and two microalgae, Chlorella and Scenedesmus, have been examined regarding their suitability as efficient nutrient removers in the treatment of wastewater with high levels of nutrients and suspended solids from a biogas plant in Loudden. The needs required for the plants to be able to grow in wastewater and the amounts of biomass they can produce have also been studied. The results show that Chlorella is capable of a very high uptake of nutrients in photobioreactors with high nutrient loadings. With an ammonia uptake maximum value at 10900mg/m2/d Chlorella outshines the other organisms in this study. The test organism that performed the closest to Chlorella in terms of nitrogen uptake was water hyacinth with an uptake about 1602mg/m2/d.

Politiskt deltagande : Finns det institutionella förutsättningar i Karlstad kommun föratt ta tillvara de medborgarförslag som lämnas in?

? Does Karlstad municipality have adequate institutional conditions to make the best use ofthe citizens? proposals??The purpose with the thesis is to investigate if citizens? proposals lead to a broader politicalinfluence. To answer that, I have done a case study about how Karlstad municipal administers citizens? proposals. The research assignment is: Does Karlstad municipal have adequate institutional conditions to make the best use of the citizens? proposals? The perspective is a democracy perspective and the theory is institutional theory and policy process theory.A selection of citizens? proposals that have arrived to Karlstad municipal between 2008 and 2010 have been studied in detail to analyze how the proposals have been administered and if it matters how the proposals are phrased.

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