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5012 Uppsatser om High-pressure - Sida 66 av 335
Användbarhetens roll i de mobila webbshopparna
This paper reports a study on the usability of e-commerce accessed through smartphones. There is much research in the usability of mobile interfaces and many sets of design patterns have been created but a few studies are available for specific domains, and in this report we focus on mobile e-commerce. In this study a framework is developed for how to design mobile e-commerce interfaces with a high degree of usability. Furthermore, the study also contributes a method to how other specific domain can develop a framework with general standards to work from when creating a web interface. By examining two sets of design principles and 14 design patterns, we evaluate which ones are critical in the design of a mobile e-commerce interface for achieving a high degree of usability.
Radialtätning till Retarder
This thesis has the overall objective to develop the optimum sealing system between the retarder and transmission. Today, there is a pressure-relief and two radial seals separation between the retarder and transmission. It has been found that carbon residue formation may occur between retarder axle and seal lips with, in some cases, leakage as a result.We have in this thesis tried to explain the phenomenon of carbon residue, how it is formed and why it can be seen just on the seals? A rig test was conducted where we show how friction, speed, transmission temperature and mitigation phases of the retarder affects temperatures in the sealing environment. Factors affecting the coke structure are reported, together with proposals for measures that provide a mitigating seal environment.
Är lyckan livets mening? : En hermeneutisk analys av Johannes Paulus II och Dalai Lamas syn på vad som konstituerar det goda livet
Swedish students' knowledge of both mathematics and reading comprehension has deteriorated in recent years. Scientists are discussing whether there is a connection between these areas and that the pupils deteriorating math skills may have something to do with their increasingly lower results in terms of reading comprehension. To investigate this possible connection, I conducted a survey among students in ninth grade and have come to the conclusion that the scientists are right: this connection absolutely exist. Students who received a high score on tasks designed to test students' mathematical problem-solving skills, also received high results on the reading comprehension test. And students who received a poor performance on the problem-solving tasks, were also low performers in the reading comprehension test.
Miljöbilsanvändning : En attityd- och beteendeundersökning hos ägare av bilar drivna med förnybara drivmedel
The aim of this report is to give a picture of how attitudes and behaviours of owners of environment cars look like and how they can be influenced. The alignment lies on environmental cars which run on biogas and ethanol which both are renewable fuels. The starting point is to sort out if it is environmental thinking that controls the choice and use of an environmental car. The feeling is that there are many other factors that can be more controlling, for example the price and the quality of the car. The result of the questionnaire survey which is the foundation of the report shows however that those who buy an environmental car do it mostly because of environmental reasons.
Validation of a tetraplex assay for detection of antibodies in poultry serum using Luminex 200 platform.
Background: As a part of a national health control program, Statens VeterinärmedicinskaAnstalt performs diagnostics to screen flocks for certain pathogens causing high mortality,morbidity and/or serious economical losses. There are several viruses in the programincluding IBDV (infectious bursal disease virus), IBV (infectious bronchitis virus) and NDV(Newcastle disease virus). Method: 96 serum samples were collected from different poultryflocks in Sweden and analyzed by ELISA, which are currently used in the health controlprogram as well as by a commercial prototype of a multiplex immunoassay manufactured byLuminex Corp., which is currently under evaluation at the United States Department ofAgriculture USDA. This 4-plex assay detects antibodies for the three above-mentionedviruses as well as antibodies of avian reovirus. In the context of this study the ELISAs run inroutine diagnostics as well as a REO ELISA were used as the standard for comparison.Result: The antibody concentration in serum from vaccinated chickens was high while theantibody concentration level in serum from not vaccinated chickens was low.
Energismart modulhus med takintegrerade solceller
The purpose of this thesis is to examine how investments are justified in the Swedish data center industry, with a focus on cooling equipment. This is achieved through semi-structured interviews with 20 different interviewees. These interviewees represent different facets of the industry and facilitate an understanding of which factors, such as: investment costs, operating costs, reliability, environmental impact and the influence of external and internal actors, come into play and to which degree they impact the investment decision-making process. The results show that primarily low operating cost in the form of low energy consumption is the driving factor when it comes to the procurement of new equipment. A lower environmental impact is a positive side-effect of lower energy consumption.
Fertility before and after installation of Herd Navigator?
The fertility of dairy cows is of great importance in order to maintain high production. The decline in fertility of dairy cows the latest decades can have several explanations. The large emphasis on high yielding cows and the negative genetic correlation between milk production and fertility traits could be one of the main factors for impaired fertility. To find heats and inseminate the cow at the right time is crucial to receive high conception rate. Delaval has, in corporation with FOSS, developed Herd Navigator which is a management program that measure four biological parameters in the milk; progesterone, betahydroxybutyrate, lactate dehydrogenase and urea.
Ventilhus för salivsug i dentalutrustning
The purpose of this work is to find out if the suctionvalve to the salivaejector for dental equipment in a simple way can be improved or if a new design is needed. The result of the examination of the suctionvalve shows that the friction between the piston and the seal is high and that this causes the valve in a few cases sheaves. The study concluded that only small changes in material or detail, improve the component..
Renen och nötkreaturet, en jämförelse mellan två olika typer av idisslare :
The aim of this literature review was to make a comparison between the feeding requirements of Swedish reindeer (Rangifer tarandus tarandus) and meat producing cattle (Bos taurus) within farming. Reindeer are an intermediate feeding type; they have the ability to adapt to short term seasonal changes in food. They avoid eating fibre as much as possible and display highly selective behaviour while foraging. Adaptation to harsh environments with a limited amount of food has made reindeer dependent upon easily digestible food and consequently their digestive systems are less capable of processing plants with high fibre content. Herding is an extensive system which requires a significant amount of land and labour and describes the reindeer industry.
Långtidsfrisk eller arbetsglädje - vad speglar arbetsrelaterad hälsa?
The work related illness has increased and instead of focusing on what?s causing it more and more efforts are put on trying to find the health factors within and outside the work environment. During the past years the term ?long-term health? has arisen; instead of focusing on the number of employees on the sick-list, the focus should be put on the number of employees that has a record of long-term health within an organization, i.e. health-presence.
Lyssna även på mig! En litteraturstudie om hur närstående till personer med demenssjukdom upplever vårdpersonalen och relationen till dem.
The aim of the literature review was to investigate how relatives to a person suffering from dementia, in institution, experienced the nursing hom staff and the relation to them. The study was based on eight scientific articles. The result gave thirteen themes, that showed that relatives experienced the nursing home staff having a hard work under pressure. They were nice but without knowledge. The relatives experienced that the nursing home staff didn´t see or hear them and gave no confidence.
Klichéer : Några unga människors uppfattning om klichéer i vardagens samtal
This thesis is divided into two parts. Part one contains a general description of the flexographic printingtechnique. Part two contains a more detailed investigation in the areas substrate, inktransfer and trends, which are only briefly commented in part one, and conclusions and comments.The major problem concerning substrate is washboard. This phenomena can be limited if one can control and minimize the amount of glue applied in the single- and double facer, use high surface weight on liner, use low surfaceweight on fluting and control the humidity during the conditioning of the corrugated board. Corrugated board with a smooth surface radically increases the quality in print.
"Vart man kommer ifrån är en del av en" : En kvalitativ studie om betydelsen av sociala relationer i en mångkulturell skola
This thesis highlights the importance of social relationships for high school adolescents? identity in a multicultural school in Stockholm?s suburb. The second purpose of this thesis is to shed light on, if the school sees the students? cultural background as an asset and how teachers can take advantage and implement it to the way they teach .The theories in the study were developed by Urie Bronnfenbrenner; The ecological theory, Pierre Bourdeau; The three forms of capital and George H. Mead; The significant other, The generalized other and "I" and "Me".
Pest och pina : En undersökning av livsåskådningar och möten med lidande i romanen Pesten av Albert Camus
Swedish students' knowledge of both mathematics and reading comprehension has deteriorated in recent years. Scientists are discussing whether there is a connection between these areas and that the pupils deteriorating math skills may have something to do with their increasingly lower results in terms of reading comprehension. To investigate this possible connection, I conducted a survey among students in ninth grade and have come to the conclusion that the scientists are right: this connection absolutely exist. Students who received a high score on tasks designed to test students' mathematical problem-solving skills, also received high results on the reading comprehension test. And students who received a poor performance on the problem-solving tasks, were also low performers in the reading comprehension test.
Corporate Social Responsibility ? ett samtidsfenomen : Uttryck, intryck och avtryck
CSR is a far reaching concept and practice, whose popularity and diffusion has increased rapidly in recent years. Research indicates that CSR has made an evolutionary journey from primarily being characterized by reactiveness to develop into a risk minimizing and proactive competitive advantage and should be looked upon as an answer to heightened societal pressure and awareness. Based on a review regarding different relevant theoretical perspectives, this master thesis discusses CSR as a concept and practical matter in relation to various strategically chosen representatives of a selection of professions.Moreover, the data were collected through in-depth semi structured interviews. The findings show that CSR is a contemporary and highly context dependent phenomenon whose inherent multiplicity brings a distinct aspect of uncertainty to it, in terms of both meaning and practice. And in some parts there is a reluctance to communicate CSR due to a fear of missing out of important aspects.