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528 Uppsatser om Concentrations difficulty - Sida 4 av 36

Helicobacter spp. i digestionskanalen hos svenska katter : en metodologisk och klinisk studie

Following the accident at the nuclear power plant in Chernobyl in 1986, great volumes of137Cs were distributed over large parts of the former Soviet Union and Europe. Over Scotland,radiocaesium was deposited as wet deposition. Due to the relatively long physical half-life of30 years, there are still measurable activity concentrations in the natural environment. Thisstudy was made on two organic soils, Knockandy Hill and Rora Moss, situated in the easternpart of the central highlands of Scotland. At these two sites, studies on migration and transferbetween soil and plants were conducted.

Fysiologi och beteende hos golden retriever i hemmiljö och under en testsituation

To fit into our society the dogs of today need a good mentality. To investigate their mentalitydifferent behavior tests have been developed. The tests are useful tools in the selection ofbreeding animals as well as for working and companion dogs. To counter the demand for atest that could be suited for all kind of dogs, regardless of their future function, the mentalitytest Beteende- och personlighetsbeskrivning hund (BPH) was developed. BPH consists ofseven subtests that expose dogs to various situations that can be found in everyday life, suchas meeting an unfamiliar person, sudden noises and suddenly appearing objects.The aim of this study was to find out if there are differences in physiological values betweenindividuals, validate the behavior observations during BPH and get aware of how the dogsexperience the situation.

Downward migration and transfer to plants of radiocaesium in Scottish soil profiles : a comparison with earlier studies

Following the accident at the nuclear power plant in Chernobyl in 1986, great volumes of137Cs were distributed over large parts of the former Soviet Union and Europe. Over Scotland,radiocaesium was deposited as wet deposition. Due to the relatively long physical half-life of30 years, there are still measurable activity concentrations in the natural environment. Thisstudy was made on two organic soils, Knockandy Hill and Rora Moss, situated in the easternpart of the central highlands of Scotland. At these two sites, studies on migration and transferbetween soil and plants were conducted.

Unga Vuxna med psykisk sjukdom : Att våga prata om sin sjukdom

Aim: The aim of this study was to investigate the quality of the social network in regard to young adults, with psychological disorders, and their possibilities to be open about their disease. In addition the study aimed at identifying possible causes to perceived difficulties by young adults to talk about their disease. Method: The survey was a quantitative study with descriptive design. The data was collected using a study-specific questionnaire on a clinic for young adults with psychological disorders, between 18 and 25 years of age. Out of 123 potential participants 79 (64 %) answered the questionnaire, of which two were excluded because they did not see themselves as suffering from mental illness. Results: The results showed that the participants of the study stated that they had a social network and the majority (90%, n=69) considered they had someone to talk to about their disease, but most of them wanted to be more open about their illness.However, the majority had some form of difficulty to talk about their disease with their social network. The most common specified causes were to feel ashamed of their disease and that the mentally ill persons did not think they would be properly understood.Almost the half of the participant experienced that they had some form of difficulty to be open about their mental disorder in front of health professionals and the most common specified causes was that the participant did not thought that they would be properly  understood  or that they did not felt confidence before the health professionals. Conclusion: Young adults with psychological disease have difficulty to be open about their disease, partly because of stigma.

Metadon till hund : klinisk farmakologi

Methadone is frequently used as an analgesic drug for dogs although there are very few studies describing the pharmacokinetics of methadone in this species. In man methadone has a long half-life and there are considerable differences in pharmacokinetics between individuals. The dose interval is lengthened when the drug is used fore longer periods of time due to prolonged half-life. Therefore the drug dose must be adjusted individually. The purpose of this study was to study the fundamental pharmacokinetics of methadone in dogs, and to find an optimal drug dosage.

The secret life of Bacillus anthracis

Bacillus anthracis is the causative agent of anthrax, a serious and globally distributed zoonosis affecting a wide range of wild and domestic animals, invariably also humans. However, although known to humans since biblical times, much remains to be elucidated concerning the ecology and transmission of this bacterium. Of particular interest is the Bacillus anthracis spore, the uptake of which is the predominant way to contract anthrax and which is legendary for its resilience in the environment and thus crucial for persistence and spread of the disease. Hence, the aim of this study is to review the natural transmission of Bacillus anthracis and investigate potential means by which soil persisting Bacillus anthracis spores reach concentrations sufficient to infect susceptible hosts. When reviewing the literature, three different theories can be distinguished. Firstly, ?the incubator area? hypothesis suggests that favourable soil factors, possibly in association with amoebas, may constitute an environment supporting repeated spore-bacterium-spore cycling, thus increasing the local amount of spores.

Dyskalkyli : En kvalitativ undersökning om hur fyra pedagoger i specialpedagogisk funktion arbetar kring dyskalkyli

Hemoglobin is an oxygen binding protein in erythrocytes. Hemoglobin is composed of four polypeptide chains. During the fetal stage the type of hemoglobin called fetal hemoglobin (HbF) dominates. After birth HbF is replaced by adult hemoglobin (HbA). HbF persists in concentrations less than 1%.

Bibliotekets roll för högskolestudenter med dyslexi

The aim of this master thesis is to explore what role libraries play in the educational process for university students suffering from dyslexia. The question at issue is whether the library is able to meet the needs of students who have difficulty in using the libraries main resource, i.e. printed documents and information in written form. An often expressed view indicates that the modern library creates a lot of obstacles for dyslectic students. The method used is a literature study followed by an empirical study in which interviews were conducted with four students suffering from dyslexia and studying at two different universities and using different libraries.

Evaluation of indirect blood pressure measurement, plasma endothelin-1 and serum cortisol in clinically healthy horses

Equine metabolic syndrome (EMS) it?s a clinical condition that includes obesity, regional adiposity, insulin resistance (IR) and laminitis. A similar syndrome exists in human medi-cine, the metabolic syndrome (MS), were systemic hypertension also is a prominent fea-ture. The systemic hypertension seen in humans with MS is partly due to a vascular endo-thelial dysfunction with an enhanced endothelin-1 (ET-1) mediated vasoconstriction. There are indications that systemic hypertension might be a feature in EMS as well but if ET-1 is involved in the development of the systemic hypertension in horses is not known.

Lakningsförsök med furubarksflis : en utredning om utsläpp av fenolföreningar samt metallsorption

The filters used today to purify water are often expensive and the need to find new filter materials is substantial. Studies of pine bark have shown that this is a material that may be used as an alternative to conventional filter materials, such as activated carbon. However, the study of pine bark has shown that a leakage of phenolic compounds may occur when using the material for water purification. Therefore, the purpose of this report is to investigate the release of phenols from pine bark, in order to evaluate the use of pine bark as a filter material. Another assignment is to investigate the amount of metals adsorbed by the filter material.

pH-sensitivity in boreal streams ? the influence of landscape characteristics

The goal of the society to increase the proportion of renewable energy has led to an increased demand of bioenergy e.g. forest biomass. However, there are concerns that removal of biomass will lead to decreased base cation concentrations in the soils and acidification of streams. In order to find in which types of landscape removal of branches and tops could have such negative effects, this study aims to analyse the relations between pH-sensitivity and landscape variables in the Bothnia Bay water district. GIS and digital geographical data were used to analyse the landscape in subcatchments.

En skola för alla, men hur? : En studie om hur olika yrkesgrupper inom skolan ser på samverkan kring inkludering ur ett specialpedagogiskt perspektiv.

This study aims to develop knowledge of different professional groups and their views on inclusion and collaboration concerning "students in difficulty." Through qualitative interviews and a quantitative survey, the researcher sought answers to this and also how inclusion, through collaboration between different professional groups, can develop in school.The results of the study have been analyzed according by Nilholms (2007) three different perspectives on special education: The critical perspective, the compensatory perspective and the dilemma perspective. The results were also analyzed based on Ahlberg's (2013) communicative ? relationship perspective.The result shows that the concept of inclusion is not clearly defined either in the governing documents or among the interviewees. This makes it difficult to speak the same language in school, which complicates the work of inclusion. Since the governing documents are unclear and somewhat contradictory when dealing with "students in difficulty" educators are put in a dilemma.

Frigörelse av kvicksilver och metylkvicksilver till bäckvatten under olika perioder efter skogsavverkning :

High levels of Hg in fish in Swedish lakes have been a problem along time in Sweden. The major concern is production and accumulation of the most toxic form of mercury; methyl mercury (MeHg). Consequently, in about half of our 83 000 lakes fish contain concentrations above the recommended limit for human consumption of 0,5 mg mercury per kg fresh weight (most of it in the form of MeHg). Consumption of fish containing too high levels of MeHg may cause problems for both humans and animals. Three major sources of MeHg in surface waters are: 1) runoff from terrestrial areas, 2) deposition from the atmosphere, and 3) internal production of MeHg in lakes and streams. The aim of this study was to investigate the effect of clear-cutting on the concentration of Hg and MeHg into draining streams.

Validering av metoder för analys av Cu, Fe och Na i processvatten med AAS-grafitugn

Södra Cell Mörrum is one of the five paper pulp plants that are included in Södra Cell, and the paper pulp that is produced here is not only sold to Swedish paper mills. Most of the paper pulp is exported to different countries in Europe. In the manufacturing process the plant needs different kind of process water and there are guideline values for how much copper, iron and sodium this water is allowed to contain. Analyzes of this water is in the current situation done with an atomic absorption spectrometric instrument (AAS-instrument) with a flame. Measurements done with flame-AAS of samples that have concentrations near the guideline values for copper, iron and sodium, are not reliable. The reason for not being reliable is that the quantitation limits of these metals are higher than the limit values.

Inventering av förorenad mark på LKAB's industriområden i Kiruna, Svappavaara och Malmberget

The county administration asked LKAB to make an inventory of possibly contaminated sites caused by their mining activity. The inventory should be performed according to the MIFO model, a method from SEPA which is used to assess a contaminated site. The first phase involves collection of information through interviews and site inspections and in phase 2 a general survey with field sampling is conducted.LKAB started the work with the first phase of the survey during 2003. During this project the information collected in Phase 1 was evaluated and 16 of the sites were chosen to proceed to MIFO Phase 2 (six sites in Kiruna, and 5 sites respectively in Svappavaara and Malmberget). The sampling of these 16 sites was performed during week 27 2004.

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