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8277 Uppsatser om Time sample - Sida 5 av 552
Kontrollerad gjutprocess för renare stål
In a multi-year project at Swerea Swecast AB studies on influence of dissolved gas on inclusions have been made. The knowledge about these parameters could be used to increase the quality of the final steel casting. The purpose of this thesis was to closer examine the impact of the oxygen level on inclusions.The questions asked were:? What was the amount of inclusions at different levels of oxygen?? What was the size of these inclusions at different levels of oxygen?? What does the inclusions consist of at different levels of oxygen?This was studied by measuring and sampling, sample preparation and microscopic analysis using an optical microscope and a scanning electron microscope (SEM). Measurements and sampling was performed at Smålands Stålgjuteri AB in Eksjö and at Swerea Swecast AB in Jönköping.
Hur elever läser - En jämförande studie av gymnasieelevers lässtrategier i biologi och engelska; How students read - A comparative study of high school students? reading strategies in Biology and English
The purpose of this study was to identify reading strategies used by high school students when reading textbooks and school-related material. Any differences in reading strategies between Biology and English were also of importance. A study sample of 62 students from three different high schools in Sweden participated in the study and were asked to fill out a survey questionnaire. Eight students from this sample were also interviewed. The findings of this study show that students use a number of different reading strategies of which metacognitive and sociocultural factors play a crucial part.
Kreditklassning av aktiebolag i Sverige, en logistisk regression
Predicting corporate failure is an increasingly important topic in the world of economics today. This paper, with the help of the credit ranking company Syna AB, aims to investigate a few different statistic strategies to do just that. This task is accomplished by using a data material of 250 000 Swedish companies divided into two subsamples. The first sample is used to develop the model and the second as a validation sample. The model developing sample holds 160 000 companies divided into five different subgroups based on size and age.
Passiv face time - En studie av passiv face time på ett företag med flexibla arbetsförhållanden
The purpose of this study is to examine how employees in an organization using flexible work practices, experience that passive face time influences the evaluated of them. Further, the study aims to understand to what extent that perception of passive face time motivates the employees to spend more time at the office than is necessary for their work situations. The study concludes that employees in general perceive that passive face time does influence how they are evaluated and that this perception motivates employees that are relatively newly employed by the company to spend more time at office..
Negotiating Work-Life Balance: Working Time Preferences and the European Working Time Directive
This thesis examines why working time preferences differ between workers and nations, and explains the effect of working time regulation and working time flexibility on negotiating work-life balance. In five separate sections the following working time issues are examined: the number of hours worked by workers in Europe; factors affecting individual working time preferences; how working time preferences are negotiated in the national industrial relations systems of Sweden, France and the United Kingdom; how the institutions of the European Union have influenced working time negotiations through the Working Time Directive; and the benefits and practices available to organisations implementing working time flexibility. Broadly this paper views working time preferences as being a highly personal and influenced by factors such as wages, taxation, culture (national and workplace) and non-work responsibilities. It is argued that negotiating a preferred working time pattern is essential to achieving work-life balance and when such a balance is achieved, workers are more healthy, motivated and committed to their employer. Essentially this provides an incentive for businesses to voluntarily implement working time flexibility beyond the regulatory standards..
Ledningsprognosers egenskaper - Hur påverkar de mängden Earnings Management
The purpose of this paper is to investigate the relationship between Earnings Management (EM) and certain characteristics of management forecasts, among a sample of Swedish listed companies. The forecast characteristics studied are: 1) Forecast venue: How explicitly is the forecast presented? 2) Forecast precision: How detailed is the estimated number? 3) Forecast measure: Which measure(s) are forecasted? We use a sample of 68 annual management forecasts, obtained from year-end reports between the years 2007-2011. EM during the forecasted year (2008-2012) is estimated using the cross-sectional modified-Jones model. The forecast characteristics are then related to the degree of EM during the forecasted period.
Spatiella mönster och lager av organiskt klor och klorid i barrskogsjord i sydöstra Sverige
The concentration and storage of organic chlorine and chloride were determined in soil, to a depth of 40 cm, in a coniferous forest in the Stubbetorp catchment area in south-east Sweden. Also, the spatial distribution of the two forms of chlorine was determined. Soil samples were collected at 49 of the nodes in a grid with approximately 105 m between the nodes. The analysis of spatial variability suggested that no spatial autocorrelation was present either within the variable organic chlorine or chloride. This means that no sample was more influenced by another nearby sample, as compared to other samples further away.
Hur marknaden bedömer europeiska företagstillkännagivanden vid etablering i BRIC länder
The aim of this study is to examine how European companies? stock price is affected by an announcement about foreign direct investment in one of the BRIC countries. Another aim for the study is to examine if the market reacts differently to the three modes of entry methods in a given BRIC country and to examine if the market reacts differently to different European countries. The study also set out to answer if there were any effects of the three modes of entry that was visible a short time after the announcement. To answer and examine this, the authors used the event study approach. The study was conducted with a sample of 47 companies from France, Norway, Spain, Sweden and Germany.
Impact by bomas on the distribution of spotted hyena (Crocuta crocuta) in the Mara Region, Kenya
The aim of this study is to find out if, and in what way the Maasai pastoralists affect the spotted hyena (Crocuta crocuta) through Bomas (Maasai settlement) and keeping of livestock. The study was carried out in the Maasai Mara National Reserve and the adjoining group ranch, Koyake GR, in South-western Kenya.Data was assembled through transect driving, with instantaneous scan sample during two seasons, December 2003 and May-June 2004. Study area contained 12 bomas with three different type of transects each: T1 (0.5 km from boma), T2 (3 km from boma) and T3 (5.5 km from boma), to create a gradual decline in human and livestock impact. Results show that there are differences in the hyena's utilisation of transect type during the day and during the night. The spotted hyena tend to avoid transects close to the boma during the day time, but go there during the night time.
Finansiella nyckeltal i svenska börsbolag - En empirisk studie av historiska värden och förekomsten av konvergens till långtidsmedelvärden
Practitioners of financial statement analysis are dependent on key ratios in a multiple number of situations, one in particular being equity valuation. A lack of historical benchmarks, and knowledge regarding the time series behaviour of such ratios, has been identified regarding Swedish companies. Therefore, this study sets out to provide such data and knowledge. Companies listed on the Stockholm Stock Exchange are examined over the period 1979-2009 where the sample is divided into nine industry groups. Historical values for eight common key ratios are documented with regards to median, mean, standard deviation and percentiles.
Detection of mutations in dihydropteroate synthase (dhps) and dihydrofolate reductase (dhfr) in Plasmodium falciparum in eastern Sudan
ABSTRACT: Commercial swab transport systems are used for collection and transporting of fecal and other microbiological samples. This system must maintain viability and contribute to survival of microorganisms during transport to the laboratory. Four swab transport systems have been compared, eSwab, ?- Transwab and fecalSwab, all three with flocked swabs, and Copan Venturi Transystem with rayon swabs. The study followed the recommendations from the Clinical Laboratory Standard Institute; document M40-A for recovery of Samonella, Shigella, Yersinia and Neisseria gonorrhoeae after storage for 0, 6, 24, 48 and 72 h at room- (22-25°C) and refrigerated (2-8ºC) temperature.
Evaluation of Different Extraction- and Analysis Methods for Calprotectin in Feces
Background Calprotectin is a protein expressed in the cytoplasm inside the neutrophile granulocytes. During inflammatory bowel disease (IBD), the neutrophile granulocytes are involved in a complex interaction at the inflammatory area where they die and release their content into the intestinal lumen. Therefore, calprotectin in stool is a suitable marker for diagnosis and measurement of the disease-activity in patients with IBD. The most commonly used method to detect calprotectin in stool is ELISA, but the process of manual preparation of stool samples is time-consuming.Aim The objective of the study was to evaluate an extraction method that could replace manual preparation of fecal samples and to compare different methods for measuring Calprotectin in stool using two ELISA-methods from two manufacturers and one rapidtest.Methods For extraction of calprotectin from stool samples we used sample collector tubes from Epitope Diagnostics and fecal preparation kits from Roche. Two different ELISA-kits for measuring calprotectin concentration in stool were compared.
Distriktssköterskors dokumentation i omvårdnadsjournal vid telefonrådgivning.
The aim of the study was to describe what district nurses, who work with telephone- advice, document in patient record, to be able to develop their documentation. The Authors have examined 50 patient records. The examination tool is collected from ?Lokal anvisning för hälso- och sjukvården I Södra Älvsborg?. The audit areas was record keeping, review and planning, realization, individual nursing and the patients participation, information, education and agreement.
Bilden av judendom i svenska gymnasieläroböcker i religionskunskap
This essay studied how six girls experienced their reading development during their college education in male-dominated profession programs. The issues assumed were how they experience their literature reading and literature education and what happened with their interest in reading. The theoretical frame included researchers Säljö, Rosenblatt, Gun Malmgren, Olin-Scheller, Ulfgaard and Molloy.The study showed that most of the girls felt their reading had worsened but not because of their male classmates but because of school. They had a lot of homework and participated in so many different school projects which would be completed that there was no time to reading for pleasure. The girls did not like the teachers? literate sample and did not like the methods used in learning literature.
Fuktkvotens inverkan på oljeupptag och pigmentinträngning i tall (Pinus sylvestris L.) och gran (Picea abies L. Karst) vid impregnering med Linotechmetoden :
Wood has always been an important material for people, and it is used for many applications. As for example, fuel for cooking and heating houses, construction materials and for constructing means of transport. Since wood also is a material that with time biologically degrades due to activity by micro organisms and wood fungi it is important to find ways to protect and further lengthen the life span of the material when in service. One method is to decrease the amount of water in the material by impregnation with an hydrophobic oil. The Linotech method which uses only pure linseed oil is one such possible method.
The aim of this study was to investigate the possibility to at the same time impregnate and stain/colour wood samples of pine and spruce by using the Linotech method.