Sökresultat:
4526 Uppsatser om Sound pressure level - Sida 47 av 302
OMBYGGNAD AV TRAFIKPLATS : Ekhagsmotet i Jönköping
We have the tradition in Sweden to build villas and houses with a wooden framework. It has become natural for us because we have so much forest in our country. Building with wood has advantages, it is easy to process, but also disadvantages, as it is sensitive to moisture.Finland has long made use of the thermal blocks to build villas. It is a type of bricks that are a bit like a sandwich element, with a core of EPS and concrete on both sides of the core material. The concrete is hollow, so that after the walls has been bricked up you pour concrete into the hollow bricks.The issue of this report is to find out if concrete can be an alternative to wood as framework material in villas.
Risken för översvämningar vid de svenska kärnkraftverken : en statistisk och historisk extremvärdesanalys
This thesis investigates the overall risks of flooding over the Design Basis Flooding Level (DBFL) at the Swedish nuclear power plants (Oskarshamn, Ringhals and Forsmark), using statistical data and methods, but also considers historical events which might affect the overall risk of flooding at the specified sites.Considering the nuclear accident which happened in Fukushima in conjuction with the earthquake and tsunami which struck eastern Japan on 11 March 2011, operators and licensors of nuclear power plants all over the world conducted reviews and investigations on the overall risks posed to the plants from external events. One important such event is extreme water level.One part of the thesis includes an extreme value analysis (using Generalized Extreme Value distribution and Generalized Pareto distribution) of water level data from SMHI (Sweden's Meteorological and Hydrological Institute) measured at stations close to the Swedish nuclear power plants. The results of the statistical studies indicate that considering the return period used in the thesis (100 000 years), the water levels at the Swedish nuclear power plants are not expected to exceed DBFL.The other part of the thesis consists of a historical study of extreme weather-related events. The results of this study indicate that no historical events seem to have occured which would indicate a higher risk of flooding than the one suggested by the statistical study. .
Barnens budget : En studie av Växjö kommuns projekt i demokratisk skolning
Young people?s political influence has been surveyed, studied and discussed several times in Sweden during the last decade. There is a fear among the politicians that the young people are not interested in politics, especially not in party politics. On the other hand there is, among the youngsters a feeling of invisibility, not being seen or heard or for that sake respected. There are a lot of formal possibilities for young people?s political influence, but there are not as many real possibilities or situations to actually practice these possibilities.
RTLS - real time location systems : an inventory study for agriculture applications and requirements
The trend towards increasingly large farming units raises questions regarding how to better monitor production. Larger units make the impact from possible errors more severe, which increases the pressure on management supervision. To cope with management issues, prevent errors and handle increased demands on traceability and documentation, the Real Time Location Systems (RTLS) concept is making its way into various parts of agriculture.
In sectors outside agriculture, RTLS are already being used successfully to track and locate items through nodes at different levels of accuracy, such as room level or the relative or absolute position. Empirical data can be received in real time from the nodes.
Informationssäkerhet i arkitekturbeskrivningar : En studie i hur säkerhetsfunktioner kan beskrivas med hjälp av vyer
Information security is an essential part of all information systems; especially in large organizations and companies dealing with classified material. Every large information system has an architecture that includes many parts that together form an Enterprise Architecture. The aim of this thesis is to study how to describe several security functions in an Enterprise Architecture and also how to ensure accountability between requirements and the implementation of the security functions. The description is for stakeholders on a conceptual level rather than a technical level. The study has been carried out by comparing the theoretical framework that has been formed by a study of the literature, and the empirical framework that has been formed by a group discussion and interviews with Information Security Consultants from Combitech AB.
Unga indiska kvinnors kroppsmedvetande ur ett kulturellt perspektiv: enkätstudie på universitetsstudenter i Indien
Body image is a term that refers to a person?s feelings and attitudes toward his or her body. There are many different factors that influence a person?s body image: historical, cultural, social, biological and individual. The purpose of this study was to investigate young Indian women?s body image in India from a cultural perspective.
Prevalence of subclinical mastitis and udder pathogens in small holder dairy farms in Mapepe, Batoka and Choma areas in Zambia
Subclinical mastitis (SCM) is a well-known problem in the dairy sector, where it causes severe economic losses mainly due to reduced milk production. This is a problem not only in the western world but also in developing countries. Surveys from different developing countries have shown a SCM prevalence of 52.4 ? 88.6 % at cow level and 26.7 ? 63.2 % at quarter-level. To combat mastitis is important to optimize the milk production of the cow.
Hur mår svensk filmmusik? : En kvalitativ studie av svenska filmkomposito?rers fo?rutsa?ttningar i det nutida produktionsklimatet
This thesis examines Swedish composers' modes of work and production within the Swedish film industry. It starts off with a historical overview treating live music in early silent film, the conversion to sound and the Swedish production climate until present time. The analysis consists of contemporary empirical studies; interviews with people writing music for film, TV and commercials. The musician's perspective is in focus but directors and other film workers are heard as well. The situation for female composers in a male-dominated industry is also discussed.
Matematisk generering och realtidsrendering av vegetation i Gizmo3D
To render outdoor scenes with lots of vegetation in real time is a big challenge. This problem has important applications in the areas of visualization and simulation. Some progress has been made the last years, but a previously unsolved difficulty has been to combine high rendering quality with abundant variation in scenes. I present a method to mathematically generate and render vegetation in real time, with implementation in the scene graph Gizmo3D. The most important quality of the method is its ability to render scenes with many unique specimens with very low aliasing.
"Utan språket blir man både döv och stum" : En studie av avbrottsorsaker på grundläggande vuxenutbildning
The aim of this paper was to investigate how many students studying Swesdish as a foreign language, at secondary school level, in Tierps kommun, that have dropped out and their reasons for doing so. The reason for this is the report from Skolverket, stating that the rate of drop outs at this level is very high. To investigate this, a quantitative method was used. A questionnaire was sent out to all the students that dropped out 2005-2008. The result showed that the two main reasons for leaving their studies were that the individuals had found a job or thought the studies were too hard. The research also showed that the majority of the students had not been in contact with Career counseller prior to ending their studies. We came to the conclusion that there might be a need for developing the teaching and to work out routines for guidance at drop out situations.
Brukarorganisationers syn på ICF som arbetsredskap ? och dess betydelse för erkännande och omfördelning
This study was about disability organisations opinion concerning ICF: s importance in their work to receive the same recognition and human rights for their members as citizens. The aim has been to elucidate disability organisations awareness about and use/non use of ICF and to increase the understanding of ICF: s importance for recognition and redistribution. Three different methods have been used: literature study, questionnaire survey, both on counties' (27) - and national (26) level and interviews (5) on national level. There is also a distinct difference between the disability organisations that represents people with visible impairments, who don?t think that ICF is so useful and they that represent people with invisible impairments, who thinks that ICF is a useful tool.
Evaluation of a selective media for the detection of gram-positive bacteria in leg ulcers and pressure wounds
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.
Europakommissionens register över intresseorganisationer
This paper examines the European Commission?s, newly established, ?Register of interest representatives? The analysis is divided in two parts, first I analyze the registers purpose, the kind, and detail, of information it contains and the different kinds of groups that are supposed to register. After that I analyze the organizations in the register more thoroughly, using a database of my own creation. The database was constructed with information drawn from the register, as well as information from external sources. Regarding the design and purpose of the register, I find that improvements in the design are needed, if the register is to fulfill its purpose.
Kvalitetssäkring och processtyrningav ytstruktur på lackerat objekt
To be allowed to sell Z-suspended vehicles with dipped beam Xenon or LED lighting, Scania have to develop automatic headlight level control. This master?s thesis aims to be the foundation to that development.The thesis consists of several parts; a market analysis of how competitors to Scania and the general vehicle industry solve this problem; several available principles for detecting the amount of control needed; the construction of a test station for sensors, a control unit and components connected controlled by the control unit; a further theoretical and practical development of one principle ? one rotational sensor connected between the chassis and the back drive axis; a state flow model programmed in Simulink that produces the control signal for the headlight leveling from the sensor input.Lastly the thesis gives some recommendations to the further development and implementation of automatic headlight level control on Scania vehicles..
Nyutveckling av sjunkspärr
We got in contact with Marco AB, who we?ve had contact with before concerning earlier projects, to find out if they were interested in arranging a larger project for our last class (Examensarbete 15hp). They were very positive to this proposition, and soon they offered us a project regarding reconstruction of their current mechanical device that absorbs all the force from the lift itself when it is at a predefined level (sv. sjunkspärr). The current solution does fulfill the requirements that are given, however it is not a solution that gives a high level of satisfactory.