Sök:

Sökresultat:

368 Uppsatser om Heavy metals - Sida 11 av 25

Geokemin inom osorterade cirklar : Analys av tungmetallers distribution inom jordprofiler tagna från Abiskoområdet, nordvästra Sverige

The Arctic region appears as a pristine remote environment, yet there is increasing evidence that it is greatly impacted by pollution such as lead (Pb) and mercury (Hg). In this environment deposition of Hg has increased threefold since the last industrial revolution. In this study five cryosolic soil profiles within non-sorted circles (NSC) in the Abisko region, northwest of Sweden, has been analyzed to improve our understanding regarding how pollutants are distributed within such type of soil. The soil samples have been analyzed with the use of X-ray fluorescence analysis (XRF), for the measurements of the total concentrations of e.g. lead (Pb) and zirconium (Zr).

Informationsförmedlingen till Försäkringskassans handläggare

The main purpose of this master thesis is to study the information support by the head office of the Swedish social insurance office to its administrators. The thesis only focuses on information that concerns laws, regulations and instructions. The study is based on an interview with the head of the division of law at the social insurance head office and a questionnaire answered by administrators in four different counties. The purpose with the interview was to find out about the information strategy of the head office and in the questionnaire the administrators could describe their opinion of their information support. Our special interest was the information channels and how the administrators were able to absorb the essential information.

Avregleringen av telekommarknaden i Sverige: Fallstudie: Beslutsprocesser och samtrafikprisregleringens påverkan på konkurrens, med fokus på tiden efter EkomL:s ikraftträdande år 2003

The purpose of the thesis is to increase the knowledge of the deregulation of the mobile telecom market in Sweden, with focus on the time after the Electronic Communications Act (EkomL), by: (1) Describing the thought behind the Electronic Communications Act. (2) Assess how the National Post and Telecom Agency (PTS) has acted. (3) Assess how the operators have reacted. (4) Investigate the regulation?s effects upon competition.

Kuratorers personliga upplevelser av stress och coping på ett akutsjukhus i Stockhol

AbstractTitle: Welfare officers personal experiences of stress and coping in an emergency hospital in StockholmThe purpose with this study was to describe how welfare officers in an emergency hospital experienced stress in their workplace and what coping strategies they used. Through qualitative interviews the welfare officers thoughts and experiences were examined. The result showed that welfare officers experienced some stress at the workplace; this was related to lacks in the organization, heavy workload and short of time. The most commonly used coping strategies were social support, physical training, short breaks during the day to handle the stress at work. The conclusions of this study was that factors that reduces stress for welfare officers who work at emergency hospitals was a functioning organization and management, the ability to control and at some levels effect their own work, to have guidance and other opportunities to ventilate with co-workers.

Kartläggning av snökanoner över Östersjön

Convective snowbands is a weather phenomenon that is associated with heavy snowfall in a limited area. They are formed over ice-free parts of e.g. the Baltic Sea when there is a cold easterly airflow over relatively warm water. These convective snowbands can cause large amounts of snow along the Swedish east coast, often causing traffic hazards. Sometimes they can even paralyze an entire community.  In this study, convective snowbands that have formed over the Baltic Sea during the period 1980-2009 are examined, in order to find out how often they occur, what place they are most common and in what month they usually appear.

Syntes och struktur i SAB förr och nu: En studie av avdelningen för språkvetenskap genom den första, den fjärde och den sjunde upplagan

The aim of this masters thesis is to examine the synthesis and the structure of the main class for linguistics F in the Swedish classification system SAB. We want to find out whether F has developed towards a more faceted structure or not. Our theoretical perspective is based on fundamental principles for modern classification. To carry out our investigation the first, the fourth and the seventh edition of SAB is analysed and compared. The results of our study show that the main class F has become more faceted and therefore the possibilities to use synthesis have increased.

Identifiering av lakbara potentiellt farliga ämnen i gummiasfalt

The main purpose of the project was to identify potential environmentally harmful substances which can be leached from rubber asphalt. A method for analysing asphalt was developed and three rubber asphalt materials were analysed after being cryogrinded. One of the materials was also tested in a road machine made for testing of asphalt paving. The particles created in the machine were analysed in the same manner as the cryogrinded asphalt materials.The asphalt materials were leached by water during 24 hours. The leachates were extracted with dichloromethane, dried with sodium sulphate and concentrated to a small volume.

Skattereformen 1910 : när ett skatteexperiment permanentades

On 1 January 2007 abolished Sweden as one of the last countries in EU the wealth tax. This wealth tax was in Sweden for almost 100 years. As the great debate in the context of tax reform in 1910 was not so much about the introduction of a wealth tax. The discussion was instead on the wealth tax would be proportional or progressive together with the income tax.When the government with and there finance minister, Carl Swartz, presented its government bill, 1910:88, 11 March 1910, the draft regulation on income and wealth tax was said, that now they had finally made a shift in the direct tax to the state. A change had been sought and it would have been great difficulties to be overcome and it would have been deeply entrenched ideas about this tax reform impossible.Despite all the protests from the wealthy in society, so continue this conservative government through reform with the strong support of many conservative politicians who had most to lose from this tax reform.

Utveckling av 300 kg HD Lightlift för belysning och liknande laster

The company LightLift Esystems AB manufactures patented motorized lift systems for the illumination of halls with high ceilings. The company wants a new design for singular heavy lights in order to be more competitive.This project consists of the development of the new design under the requirements and specifications imposed by the company. The new design must support lights up to 300kg and keep the overall dimensions as low as possible without modifying the driving unit.This document contains all the designing steps followed to reach the final solution as well as the material selection, manufacturing process and assembly of all the parts that form it.The solution obtained shows to be very competitive with other alternative products, since this new design triples their maximum load capacity while the dimensions are very similar.In this context, the optical appearance was also very important to the company and so it was another main objective of this project. From an aesthetical point of view, the final solution proves to be very compact and versatile since it can either be hidden behind a false ceiling or covered by a plastic case that gives the design a very nice look.Finally, the solution achieved fulfils all the requirements and specification previously imposed. It is reliable, compact, cheap to manufacture, easy to assembly and it has a good optical appearance. .

Förstudie för SWIFT Boeing 737 : Kabinlayout med räddningsutrustning

Sammanfattning Detta examensarbete är tänkt att fungera som en förstudie med syftet att komma med tänkbara lösningar på hur räddningsutrustning ska kunna lastas i kabinen på en Boeing 737-800. Uppdragsgivaren är Scandinavian Airlines som har fått en förfrågan av MSB hur det skulle kunna se ut. Tanken är att det ska bli ett räddningsplan som ska komma till undsättning för människor i katastrofområden. MSB har begärt att två versioner ska finnas. En heavy- och en medium-version, där skillnaden är antalet människor och mängden utrustning som medföljer.

Skolsituationen för elever med betyget MVG i matematik : En fallstudie av fyra elever i grundskolans årskurs 9

This thesis has been focused around the Diels Alder reaction with the goal to design an enzyme catalyzed reaction pathway. To achieve this goal computer aided enzyme design was utilized. Common traditional methods of computational chemistry (B3LYP, MP2) do not do well when calculating reaction barriers or even reaction energies for the Diels Alder reaction. New calcu- lation methods were developed and tested. This was the focus of the first part of the thesis, by choosing a small system, extensive and heavy calculations could be done with CBS-QB3.

"Vi har våldet i blodet" - En kritisk diskursanalys av Landskrona Posten 2006

On the 11th of march 2006, the journal Landskrona Posten began an article series with the ambition to review the juvenile gangs in the city of Landskrona. The articles received heavy response from the readers. About six months later Landskrona was the centre of attention in the Swedish media. 22,3 percent of the city's population had voted for the nationalist party ?Sverigedemokraterna? in the municipal election.

Ekologiskt uppfödda kycklingar : en jämförelse mellan två olika foder

Organic rearing of broilers is not a large production in Sweden. In order to create a sustainable yet efficient production of organically produced poultry meat, at a price that the consumers are willing to pay, much more knowledge is needed. It is therefore important to do more research on organic broilers under Swedish conditions. This report is aimed to be a base for further studies. In the study 2000 broilers of the hybrid Ross 308 divided in to two equal groups. The broiler hybrids that are used in Sweden are selected for a high growth rate and are normally slaughtered at the age of 5 to 6 weeks, with a slaughter weight of 1.7-2 kg.

Jämställdhet, barnarbete eller miljöarbete

ABSTRACTIn this study, five people were interviewed who are involved in a drug-assisted program for opiate addiction, also called substitution program. The meaning of substitution is that these clients' drug addiction is replaced with substitute preparations, either methadone or Subutex in an orderly manner. The clients of the researcher decided to study the substitution program have all been a heavy opiate addiction for years. Their participation in the replacement program is more than two years, and those who have been around the longest have been in the program for six years, so long as the substitution program has existed in Visby.This is a qualitative study in which interviews are conducted face to face with each individual client, and the interview was unstructured in the sense that no specific issues made in advance. The interviews have been themed, and the researcher has gone through various areas of life around the respondent.

Att utkräva ansvar - en analys av Vattenfalls verksamhet i Tyskland

With the expansion onto the international market almost a decade ago, Swedish energy corporation Vattenfall began it's breaking and burning of coal on German soil. Criticism aimed at Vattenfall peaked in the mid 2000s with the revelation of large quantities of carbon dioxide emissions and the re-location of villages and graveyards in German states Brandenburg and Saxony. The purpose of this thesis is to show where the responsibility for these activities lie. By analyzing the history of, and the political debate surrounding, Vattenfall, I will show that the prevailing policies of right- as well as left-wing parties in the 20th century were all, regarding this matter, market oriented. I will also show that these market promoting policies made possible a situation where the transparancy of, and state control over, Vattenfall were close to eliminated.

<- Föregående sida 11 Nästa sida ->