Active headsets have been on the market for years and now it is time for something else to enter the stage. The technology of active noise reduction can for exmple also be used in ventilation systems for reducing ventilation noise. An active control system principally consists of four important components, namely the downstream error microphone, the upstream detection or reference microphone, the digital signal processor (DSP) and a loudspeaker. The upstream reference microphone listen to the primary ventilation noise and sends it to the DSP which makes a phase shift to the signal and sends it to the loudspeaker. The loudspeaker sends out the opposite waveform of the incoming one and reduce the primary ventilation noise.

Syfte: Undersöka om det är möjligt att generera en överavkastning på aktier gentemot marknadsindex på OMXS Industrials enligt Net Current Asset Value strategin.Metod: Studien baseras på en kvantitativ metod för att undersöka historiska aktievärden. Datan som används i undersökningen hämtas från Thomson Reuters Datastream och de statistiska värdena bearbetas i Microsoft Office ExcelTeoretiska utgångspunkter: Studien har sin förklaring med utgångspunkt från teorierna om den effektiva marknadshypotesen och CAPM modellen, samt ett avsnitt som utreder principerna om hur värderingsstrategier bör följas.Resultat: Beroende på längden av innehavsperioden visar studien att det i de samtliga fall är fullt möjligt att överträffa marknadsindex, och att den riskjusterade avkastningen i de flesta fall är högre än marknadsindex..

In order to produce grain in an economically rational manner numerous decisions have to be made. One of these decisions is what tillage system to use. The cost of the tillage system is a large part of the total cost in grain production. Different tillage systems result in different distribution of fixed costs, operating costs and timeliness costs. The price of the produced grain and cost of inputs also affect the best way to produce grain.

The aim of this study is to investigate a specific form of Special Interest Tourism (SIT), namely health- and fitnesstravels. This kind of travelling is studied from a Swedish perspective and includes aspects like gender and age in active tourism. It also includes which travel motivations that lies beyond the choice of an active vacation.The study is based on a survey that was sent in an e-mail to the health tourism company InShapeTravel´s customers. The answers to the survey has been analyzed and related to earlier research about active tourism.The result shows that more women than men participate in the kind of healthy travels that InShapeTravel offers. A majority of the respondents are between 41-60 years old and the most common travel motivation was ?Better physic/psychic wellbeing?. .

This qualitative study investigated what factors influenced older adults to motivate themselves to continue to be pshysical active in their later life. Six individuals, both men and women in the ages of 65-89, were interviewed. The interviews were analysed by informal content analysis. The results showed that there is a certain group who had a strong will to lead a long, well-conditioned and sound life. Although, the seniors are getting older, they continue to make active choices about physical activity on a daily basis.

Intro: 80 percent of the Swedish population own shares. This makes Sweden the leading country in private investment in securities. It can be difficult for the private investor to know where, when and which security to invest in. The strategies are as ambivalent as the stock markets fluctuations. If the investor prefers to refrain from investing money himself, there are brokers who carry out these types of services.

This study is done on behalf of Södra skogsägarna in the autumn of 2012. The main purpose of the study is to get an explanation to why some of the members are passive in their forestry, and how Södra can stimulate them to become more active. To achieve this a questionnaire study was conducted on the members of Södra in the community of Gislaved. The result of the study shows that there are many different factors that influence whether the forest owner is active or not. Examples of those factors are timber prices, the forest owner's objectives and the forest owner's financial situation. The main goal for the forest owners in the survey was to obtain high economic result and to increase the standing timber volume for the next generation.

With the advent of powerful multimedia capable mobile phones, the market for mobile services is flourishing. Zenterio AB's Halfpipe Active Desktop is a complete distributed mobile service platform a with a powerful server and platform-independent client. The communication between the client and server takes place over a GPRS-capable mobile network. The purpose of this thesis is to develop a secure communications protocol for use between the Halfpipe Active Desktop client and server. This is done by determining requirements, analyzing candidate protocols and then by designing the final protocol.

Animals living in captivity are often subjected to various kinds of stress. Individuals within species can respond differently to the same stressor depending on differences in coping style and physiology. Active and passive coping is a common way to describe different coping styles in animals and it is likely that these strategies have a high heritability. Individuals with an active coping style are characterized by an urge of control and a higher level of aggression than individuals with passive coping style, who in general are more flexible and respond to stress by immobilisation to a greater extent. The aim of this bachelor?s thesis is to investigate the presence of different coping styles and personality types in dogs (Canis lupus familiaris) and horses (Equus ferus caballus) and to find fields of application for this information.

Background: Funds have become a more popular way for investments. After the financial crisis in 2008 there was some sectors that shown a better results than other depending if the sector was affected by the economic situation or not. Therefore can  investments in sector funds be a good way to get a high return, but it also has a high risk.Problem: Has the risk any impact on the return considered funds in sectors that is affected by the economic situation relatively to sectors that isn?t affected by the situation in the economy?Purpose: Determine whether sector funds risk has any impact on the return. Also if there are any differences between sectors depending if they are affected by the economic situation or not.

Real-time systems are required to answer to external stimuli within a specified time-period. For this to be possible, the systems behaviour must be predictable. The use of active databases in real-time systems introduces unpredictability in the system, e.g. due to their use of active rules. The behaviour in active databases is usually specified in ECA-rules.

The aim of this study is to investigate a specific form of Special Interest Tourism (SIT), namely health- and fitnesstravels. This kind of travelling is studied from a Swedish perspective and includes aspects like gender and age in active tourism. It also includes which travel motivations that lies beyond the choice of an active vacation.The study is based on a survey that was sent in an e-mail to the health tourism company InShapeTravel´s customers. The answers to the survey has been analyzed and related to earlier research about active tourism.The result shows that more women than men participate in the kind of healthy travels that InShapeTravel offers. A majority of the respondents are between 41-60 years old and the most common travel motivation was ?Better physic/psychic wellbeing?. .

Nearly 74 percent of the Swedish population invests in funds and the options are therefore various. The Swedish private investors can choose between active and passively managed funds. Fund managers, who seek to generate higher returns than the market, manage active managed funds. Unlike the active managed funds, passively managed funds do not require any active investment decisions.Fama?s (1970) efficient market theory reflects all available information in the stock price, therefore it is not possible to predict how the stock price changes.

Companies that invest in e-learning have different expectations regarding the outcome of the investment. According to literature and articles it is common that companies see reduction of costs as the primary benefit with e-learning. Therefore we ask ourselves the question if companies have attained the expected benefit of the investment in e-learning and to what extent cost reduction have been a determining factor in the investments? The purpose of the thesis is to examine if companies that invest in e-learning have attained the expected benefits. We also want to examine what the reason for investing in e-learning is and if cost reduction is the primary reason for investing.

The purpose of this study is to highlight how preschool teachers reason about their own beliefs about their active participation in the play. The study is a qualitative research method where interviews have been used to talk with four preschool teachers to obtain their perceptions of their participation in the play. I have approached my questions through previous research and theses which turns to play and preschool teachers' involvement. The result of my study shows that preschool teachers see differently on their active participation, but they think that active participation is essential for the development of the play and that by being involved in the play in different ways will create interaction and interactivity. The result also shows that preschool teachers find great joy in participating in the play, and also that many relationships will be established by participation in the play..