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Molten salt applications are challenging from a material perspective. This degree project was carried out at Alfa Laval to give them a better understanding of the corrosion of solar salt on the standard heat exchanger material stainless steel 321. Similar tests have previously been performed externally. By developing test methods for in-house corrosion testing time and money can be saved. In thi
In this master thesis computational fluid dynamic simulations of two plate heat exchanger channels have been performed in Ansys CFX. The full geometry of the channels has not been included, the channels were modeled with a flat geometry instead of a corrugated pattern. To account for the effect of the corrugation on the pressure drop, one-time pressure losses and momentum sources were added in the
The high surface-to-volume ratio of nanoparticles (NPs) makes them an interesting source for scientific research. How interfacial energies interplay between such a small structure and a solid bulk surface, are important because of the versatile applications NPs regard. In this thesis, a convenient and reliable method for interfacial energy determination was investigated. The interfacial energies
In Rev.IV:137, Christ told St. Birgitta that pilgrims to Vadstena could receive the same plenary indulgence as the one granted to the church San Pietro in Vincoli in Rome. The privilege was highly disputed, but in Vadstena the pilgrims crowded anyway on the feast of St. Peter in Chains on August 1, a feast where the deliverance from the captivity of sin was pivotal. This study is based on extant s
If human rights are to be enjoyed by every person regardless of origin or nationality; if human rights are the rights of the human being under any circumstances, then the best way to gauge the quality and depth of our systems of protection of human rights will be to examine the extent to which these are enjoyed by their most genuine recipients: those deprived of wealth and citizenship, a home and
The aim of this work is to analyze the Chinese Great Leap Forward (大跃进Dayuejin) (1958-1961) and the reasons why its economic and social policies caused such a big imbalance and deficit in the Chinese economy. The thesis is divided in four chapters: The first chapter focuses on the Leap’s antecedent period; it begins with a very brief introduction to the key events after the establishment of the Pe
I samband med offentliga uppköpserbjudanden uppstår emellanåt ett behov för aktiemarknadsaktörer att göra uttalanden gentemot aktiemarknaden avseende sina avsikter. När aktiemarknadsaktören senare av olika anledningar kan behöva avvika från denna tidigare gjorda avsiktsförklaring uppstår frågan om under vilka förutsättningar en sådan avvikelse kan godtas. Uppsatsens grundläggande syfte är således During the course of a public takeover offer, the need for a stock market actor to make statements towards the market regarding their intentions occasionally arises. For various reasons, the stock market actor may at a later stage deem it necessary to diverge from this previously made statement of intention and the question of under what circumstances such a deviation is acceptable emerges. Theref
Detta arbete behandlar en vårdnadsutrednings genomslagskraft i domstolsavgörande i mål om vårdnad, boende och umgänge. Uppsatsen fokuserar även på om en domare kan ta självständig ställning i frågan med utredningen som underlag, samt hur man i utredningen adresserar barnets bästa. Varje år drabbas ungefär 10 000 barn av föräldrar som tvistar om frågor kring vårdnad, boende och umgänge. Om inte fThe purpose of this essay is to investigate how a custody investigation affects a court decision in cases concerning custody, residence and contact. The paper also focuses on whether a judge can take independent position on the matter based on the investigation. Furthermore the essay examines how the custody investigation addresses the best interest of the child. Each year, approximately 10,000 c
The aim of the present study was to take a closer look into the evidence for a theory of prehistoric string manufacture, formulated by the British archaeologist Karen Hardy in the article Prehistoric string theory. How twisted fibers helped to shape the world (Hardy, 2008). A problem with the article, with the relevance and validity of the presented evidence as substance for the theory, was the mi
Klimatmönstren världen över förändras och med dessa den globala distributionen och mängden av landbundet kol, dvs vegetationen som bland annat nyttjas som mat och fiber. Också I sig självt en viktig faktor i klimatets utveckling genom dess roll i energi- och vattenkretsloppen. Vetskap om kvantitet och distribution av landbundet kol och hur detta förändras är en viktigt del av arbetet i att förstå The climatic patterns of the world are changing and with them the spatial distribution of global terrestrial carbon; the food and fiber of the world and in itself an important factor in the changing climate. Knowledge of how the terrestrial carbon stock is changing, its distribution and quantity, is important in understanding how the patterns of the world are changing and large scale models using
Abstract Objectives: Serum from patients with systemic lupus erythematosus (SLE) is often characterized by their ability to promote phagocytosis of necrotic cell (NC) by polymorphonuclear leukocytes (PMNs). The aim of this project was to study phagocytosis of NC by PMNs in presence of serum from SLE patients, and associate the ability of phagocytosis with circulating nucleosomes and autoantibodi
Author: Terese Jannert Title: ”Remain silent or speak up? Freedom of information, codes of silence, and the case of social workers in Sweden’s public management”. (translated title) Supervisor: Katarina Jacobsson Assessor: Sune Sunesson ___________________________________________________________________________ The objectives of this thesis are twofold. First, this study examines how social worker
Cardiovascular (CVD) is one of the most common causes of mortality. Apart from known causal risk factors such as smoking, obesity, dyslipidaemia and hypertension, chronic psychological stress has been suggested as a possible independent risk marker, also because the CVD burden follows a social gradient. Another self-reported variable is self-rated health (SRH) which in many studies has ben shown t
Previously, chromosomal anomalies, and to a lesser extent, other congenital anomalies have been associated with an increased risk of celiac disease (CD). We investigated these associations using a systematic approach. We identified all singleton children (792,401) born in Sweden between 1987 and 1993, and obtained cases of CD using the Swedish National Inpatient Registry. We applied COX regression
The large quantity of material of Hieracium sectt. Hieracium, Vulgata, Bifida and Oreadea collected during the recently completed floristic inventory of the northeastern most Swedish province of Norrbotten has been revised. The number of species known from this previously badly under-collected province hereby increased from 27 to 64, and seven species new to science were revealed. A diagnostic key
This research aimed to explore the experiences of Lagos State residents during COVID-19 and the relationship between COVID-19 reportage in Lagos State and ethnic inter-relationship. The goal is to understand media influence in a society from the perspectives of people directly influenced by the COVID-19 media frames. This thesis is the first research to explore ethnic polarization in Lagos State w
Varumärkets växande betydelse för företagens framgång och värde, de effekter som varumärkesrätten har för en sund marknadskonkurrens och det stundande europeiska varumärkesrättsliga reformpaketet skapar flertalet potentiella infallsvinklar för en juridisk framställning. En av dessa är den grundläggande regeln om användningstvång, i synnerhet kravet på verkligt bruk däri, som ständigt varit föremålThe continuous growing importance of trademarks in relation to the value and success of a business, the effects of trademark law on sound market competition and the forthcoming legislative EU trademarks reform package create several potential judicial aspects. One aspect is the use requirement and in particular the genuine use requirement, which has been the subject of constant debate. The use req
The grain growth of WC in WC-7%Co cemented carbides with Cr-addition was investigated for cemented carbides synthesized from four different raw materials varying in grain size. Cr additions were 4%of the Co binder phase. To investigate the effect of Cr on grain growth two of the raw materials were also synthesized without Cr-additions. To investigate the effect of cobalt content on grain growth ce
I de avancerade mjukvarusystem som utvecklas idag krävs det en hel del processer och arbetsmetodik för att säkerställa att produkten håller en bra kvalité. Svårigheten uppstår i att organisationer oftast är tvungna att hantera väldigt många ändringar som kommer från kunder och dessa kan vara av varierande komplexitet, dvs. kräva olika mycket resurser att åtgärda. CGI är ett globalt IT-företag och In the advanced software systems that are developed today there is need for a lot of processes and proper methods to ensure that the developed product maintains a good quality. The difficulty arises in that the organizations often have to deal with many changes arriving from customers and these can be of varying complexity, i.e. require different amount of resources to address. CGI is a global com
