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The first part of this thesis deals with the dynamical estimation of the Oort constants using proper motions and parallaxes provided from the Gaia-DR1 TGAS catalogue. The photometric information was provided by the 2MASS catalogue. The Oort constants calculated from the TGAS catalogue are compared to those obtained from the original Hipparcos catalogue in order to attempt to estimate how well Gaia
Purpose: The purpose of this study was to explore the challenges that have been related to managing and leading clever people and the characteristics that are unique for them. This was done by reviewing the available literature and summarizing the main findings. The literature is scarce and inadequately researched. Therefore, the purpose of this study was to explore the main characteristics of the
This thesis is a case study of the Long Live Egypt Fund (LLEF), a Government- Organized NGO (GONGO) established by the current Egyptian president in 2014 to crowdfund seven development programs through citizens’ donations. By analyzing empirical material that LLEF and related actors produced, I address the question of how the regime uses LLEF in legitimating its ongoing IMF loan-associated austeri
Aiming to fill the knowledge gap about the customer’s perspective that is present in the literature surrounding the gig economy, this study intends to contribute to the research on the field by discovering the factors that influence customer behavior, as well as the motivations for customers’ switching platforms within the gig economy. To this end, it asks and attempts to answer two questions: 1.
I detta arbete undersöks varför många trumslagare trots lång utbildning och hög musikalisk nivå har problem med sitthållning som leder till ryggsmärtor. Syftet är dels att förstå varför, dels att se om man kan förbättra situationen med hjälp av att öva trumset sittandes på Pilatesboll istället för trumpall. Arbetet grundar sig på en kvalitativ intervju med fokusgrupp samt aktionsforskning med samm
Denna studie syftar till att genom en undersökning med tio informanter skapa en uppfattning om hur virtual reality kan appliceras i en lektion för elbas. Studien genomfördes med tio elbasister, som både är verksamma lärare eller musiker på både professionell- och amatörnivå. Studien är utformad ur ett kvalitativt forskningsperspektiv och är baserad på intervjuer om de tio elbasisternas upplevelser
The world is facing multiple crises, including ecosystem degradation, global climate change and human conflicts. One of the consequence is an unprecedented displacement of 65 million people in total and historic records in the number of asylum seekers in the European Union. This poses the challenge of how to integrate the increased number of refugees in an effective way. As immigration is only one
Syftet med denna studie var att undersöka vilket pedagogiskt material flöjtärare i Sverige använder idag. Syftet var också att se vad materialet innehåller och fokuserar på samt att se på vilket svenskt material som använts historiskt och därefter jämföra de olika materialen. Det analyserade materialet går tillbaka till andra hälften av 1800-talet fram till idag. Detta val är motiverat av det faktThe aim of this study was to examine which educational material for flute, teachers in Sweden use today. The aim was also to see what the focus of the content is, and to see which Swedish method books that has been used historically and to make a content comparison. The examined material goes back to the second half of the 19th century up to today. This selection is justified by the fact, that 184
A simulation model of immunostimulating Interstitial Laser Thermotherapy (imILT) has been developed to investigate the effect that biological variations in tissues have on the treatment outcome. The biological variations include optical and thermal properties. The model based on the results of these investigations was further developed to investigate the possibility of predicting an imILT treatmen
Air pollution has become an urgent issue that affecting public health and people’s daily life in China. Social media as potential air quality sensors to surveil air pollution is emphasized recently. In this research, we picked up a case-2013 Eastern China smog and focused on two of the most popular Chinese microblog platforms Sina Weibo and Tencent Weibo. The purpose of this study is to determine
Society has become locked into an unsustainable agri-food system based on resource intensive industrial agriculture and a globalized supply chain producing food that is damaging to the environment and society. In London, United Kingdom a network of alternative food initiatives exists challenging this agri-food system and bring about a transition to one that is more sustainable. However so far the
The aim of this qualitative study was to understand how drug therapists perceive and construct male and female drug abusers. We conducted semi-structured interviews with seven drug therapists. For our analysis, we used a social constructivist approach, based on the gender perspective organizational culture, treatment ideology and social interaction. The findings of this study revealed that the maj
By exploring the Russian Global Education Program as a case of outward student mobility policy created through and backed by law, the author of this thesis analyses the impact of the legal dimension of said program on students’ return and employment decisions from the viewpoint of the socio-legal theory and methodology developed by Leon Petrazycki (1867-1931). Based on the analysis conducted herei
Utgångspunkten till denna studie var att undersöka sångares handlingsutrymme i ensembleundervisningen. Frågeställningarna som ramar in arbetet berör fördelningen av instrumentspecifika instruktioner mellan instrumentgrupperna, hur detta ter sig och vilka förutsättningar som står till grund för dem. Studien utforskar även fördelningen av taltid mellan tjejer och killar i ensembleundervisningen samtThe premise for the study was to research singers’ capacity for action in the context of contemporary classroom ensemble. The research questions that frame the present study concern the division of instrument specific instructions between the different groups of instruments in the contemporary classroom ensemble, and further what this looks like and which premises that ground the division. In addi
Changing climate affects various ecosystem processes within the boreal forest, wildfire among them. Meanwhile temperature is commonly accepted as one of the most important regulating factors. In the context of 2016 being the warmest year in observational history, this review attempts to identify changes in wildfire extent within the central and south-eastern Siberian taiga. Satellite based estimat
Reliable information on land cover is required to assist and help in the decision-making process needed to face the environmental challenges society has to deal with due to climate change and other driving forces. Different methods can be used to gather this information but satellite earth observation techniques offer a suitable approach based on the coverage and type of data that are provided. Fe
Abstract Author: Mikaela Persson Title: Who suffers the most from mental health? A quantitative study about mental health among young adults in Italy and Sweden Supervisor: Anna Tegunimataka Assessor: Anders Östnäs The aim of this study was to compare mental health among Sweden’s and Italy’s young adults by using three variables which were then correlated with the variable “mental health”. The
Several problems concern about energy are frequently discussed in recent decades, such as the shortage of traditional energy resource, the increase of energy price and the destruction of living environment by energy conversion. To solve these problems, sustainable development of energy become a preferential task all around the world. Under current circumstances, applying energy saving measures and
Tropical cyclones influence processes within the carbon cycle on different time-scales. Forested ecosystems suffer windfall and long-term impacts from tropical cyclones, leading to the release of CO2 to the atmosphere. The coarse woody debris created by extreme wind speeds and landslides brought on by tropical cyclones can leave a forested ecosystem via riverine channels and end up in the ocean, w
The orbital approximation for stellar streams is the assumption that all stars in a stream can be described as following the same orbit. In this thesis, I evaluate this approximation as a method for constraining the potential of the Milky Way. I wrote a program in MATLAB which integrates the orbits of test particles in a potential model which resembles that of the Milky Way's halo and disc. Th
