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Är Silver och Guld nanopartiklar giftiga för oss? Introduktion Nutidsmänniskan använder en mängd olika produkter till vardags och många av dem innehåller nanopartiklar. Man kan utsättas för dem när man tvättar håret eller bilen, målar huset eller duschar, de finns i solskyddsfaktor, deodorant, kläder, elektronik och inte minst i medicin. Framförallt inom medicin har de visat sig mycket användbara
The accumulated review data for a single product on Amazon.com could po- tentially take several weeks to examine manually. Computationally extracting the essence of a document is a substantial task, which has been explored pre- viously through many different approaches. We explore how statistical predic- tion can be used to perform dynamic relation extraction. Using patterns in the syntactic str
Optokinetic reflex in chickens Vision is the most important sense for many birds. Birds use their vision for many different tasks like finding food, spotting potential mates and predators. They also use this very important sense to navigate and move through the environment, and this is interpreted by the visual system as self-motion. The visual system divides properties of the environment into di
The textile and garment industry is one of Cambodia’s economic ‘growth pillars’ and it plays a key role in the country’s economic development. Foreign enterprises contract Cambodian factories to manufacture goods, which will then be sold worldwide. International buyers include H&M, GAP, Marks & Spencer, Levi’s, Adidas and Inditex. The demands required to suppliers are challenging and there
As cities expand and climate change effects become more intense and frequent, local governance has gained increased attention as capable of implementing the necessary measures for sustainability. One city in Brazil, Jundiaí, has managed to integrate participatory processes in its local planning and has become an example for other cities in Brazil. This city lies between a water reserve and a biolo
In rural Tanzania, customary laws and practices have for over 50 years been the major constraints of women’s land rights and livelihood. According to customs, a man has inherent powers to own and control land, and he is considered to be the rightful heir of such resource, and a woman is not. In most cases, women get to experience such disposition in matters of inheritance, succession, and division
This paper tests if structural reforms in the presence of fiscal adjustments have growth enhancing effects. We do this by using two well established measures from the previous literature to identify periods of fiscal adjustments. These measures are the outcome based and the action based approach. As a proxy for structural reforms this paper relies on changes in institutional quality measured by th
Diabetes mellitus är en av vår tids största folksjukdomar och påverkar miljontals människor runtom i världen. World health organization (WHO) uppskattade att ungefär 422 miljoner vuxna led av diabetes 2014 och att diabetes orsakade 1,5 miljoner dödsfall 2012. I Sverige beräknas ca 1 miljon människor lida av diabetes eller vara i riskzonen för att utveckla diabetes. Antalet människor som berörs attPrevious studies have shown that increased incorporation of odd chain saturated fatty acids (OCFAs) into plasma phospholipids is associated with a lower future risk of developing type 2 diabetes and that decreased levels of OCFAs are linked to increased insulin resistance. Since the β-cell plays a pivotal role in the progression of type 2 diabetes it is of interest to investigate if elevated level
Epilepsy is a disorder in the brain indicated by the occurrence of uncontrollable seizures. The current approaches in treatment of the disease are unsuccessful for 30% of the patients. People suffering from drug resistant epilepsy usually have to remove the part of the brain causing the seizures, which is often the temporal lobe, so novel treatments are urgently needed. Our approach aims at regene
Elonroad is a company that is looking into the possibility to charge electric vehicle on road. The conductor implemented on the driveway has a characteristic shape. The scope of this master thesis project is to identify the shape of the conductor and determine the relative position of the vehicle to the conductor using ultrasonic sensors. The goal is to have an update frequency of 30 Hz and a posi
Integrationen av datorenheter i dagens fordon har gjort nya och mer avancerade funktioner möjliga. För att kunna verifiera att dessa funktioner fungerar och för att felsöka dem så används så kallade diagnostjänster. Allt eftersom funktionerna i fordon blir mer avancerade och beroende på data från flera olika sensorer och datorenheter så ställs nya krav på diagnostjänsterna att kunna läsa ut mer daThe integration of small computer units in vehicles has made more complex in-vehicle functionality possible. To troubleshoot these more advanced functions, the diagnostic services need to read out more data from the integrated computer units, causing an increased network load. This has caused a demand on more efficient ways of performing vehicle diagnostics. One possible way to decrease the netwo
Diagnoser är kategorier som konstrueras, kommuniceras och upplevs inom en specifik social och kulturell kontext. Individer ställs innanför dessa kategorier genom ett klassificeringssystem som är hegemoniskt. De som passar in i kategorierna tillskrivs egenskaper som kan resultera i skapandet av ett subjekt som inte är förenlig med den normativa synen på vad en människa är. Det här är en uppsats som
Bakgrund: Varje år inkommer cirka 8 200 personer till sjukvården efter ett suicidförsök i Sverige. För att kunna ge bäst lämpad vård och behandling är det viktigt att sjuksköterskan som möter patienten har den handlingsberedskap som krävs för ett gott omhändertagande. Många sjuksköterskor på medicinska akutmottagningar och somatiska vårdavdelningar uppger att de har en bristande kunskap om suicida
This project is about creating a concept for a historical museum for the swedish furniture company Gemla AB. It will be a permanent exhibition located in connection to their factory. The reason Gemla wants to put up this museum is to give clients, students or the interested public a deeper understanding of the company and their history. My work will beto gather the parts in history that I think Ge
Kan klimatkompensation handla om mer än klimatnytta? Klimatkompensation har varit på modet ett tag men är även ett omdiskuterat ämne där både moralen i ”att köpa sig fri” och risken för negativ påverkan på djur och natur har lyfts fram. Att ekologiska aspekter beaktas vid klimatkompensation anses av många företag och organisationer viktigt. Men vad innebär det i praktiken? Klimatkompensation ärCarbon offsetting is one strategy to tackle global climate change and decrease the level of greenhouse gases in the atmosphere. However, the strategy is debated and concerns are raised regarding negative impacts on the surrounding environment and biodiversity, the effectiveness and the morality of “buying the right to pollute”. The aim of this paper is to examine if ecological aspects are consider
In the past few decades Japan has experienced changes in its marital institution. Japanese men and women have started to postpone marriage and childbearing or remain unmarried, and the number of divorces have increased. Exactly the changes in marriage trends have been the point of departure of this study. The purpose of this study was to focus attention on Japanese marriage. Specifically, this the
Hot och våld förekommer ofta inom de särskilda ungdomshemmen och behandlingsassistenterna som arbetar närmast de unga, är de som är mest utsatta för hot och våld. Att arbeta i en miljö där risken för att utsättas för hot och hot om våld utgör en väsentlig arbetsmiljörisk och medför även stora påfrestningar för personalen. De teorier som tillämpats är Libskys (1980) teori om gräsrotsbyråkratin, Go
A recent publication introduced a new way to define all k-step linear multistep methods of order k and k+1, in a parametric form that builds in variable step-size. In this framework it is possible to continuously change method and step-size, making it possible to create better behaving adaptive numerical solvers. In this thesis general numerical solvers based on this framework have been implemente
Small ARM Cortex CPU based system boards, called controllers, are used in building automation for regulation of heating, ventilation, and air conditioning. A controlling project can incorporate several thousands of these controllers. The controllers communicate with a SCADA system over the TCP/IP protocol. For the purpose of testing the Supervisory Control And Data Acquisition (SCADA) system when
