Sökresultat

Den första delen av arbetet gick ut på att ta fram och utvärdera en behandlingsmetod som kan användas för att på ett kontrollerbart sätt minska den specifika ytan på amorf silika med hög porositet. Den specifika ytan är en viktig egenskap för amorf silika när det kommer till dess applikationer som absorptions- och adsorptionsmaterial. Parametrarna som studerades var pordiameter, partikelstorlek, tA treatment method that can be used to controllably reduce the specific surface of amorphous silica with high porosity has been developed. The specific surface of amorphous silica is important for its adsorption and absorption applications. The parameters that were studied were the pore diameter, the particle size, the time of treatment, the temperature and the silica concentration. The reduction

The publishing industry is constantly faced with threats and predictions prophesying the end of the printed book and reading, however there is simultaneously the imminent promise of the digitalized literature. Children´s literature is one part of today´s marketplace that show progress in sales at the same time the panoply of entertainment for children is bigger than ever. The enormous popularity o

Efterfrågan av alkoholfri öl ökar och det finns många olika anledningar till att dricka alkoholfri öl såsom graviditet, religion, arbete eller om man ska köra bil. Men det finns idag ingen enkel och billig metod för att producera välsmakande alkoholfri öl. De vanligaste metoderna för att producera alkoholfri öl på marknaden är utspädning, destillation, omvänd osmos samt att inte fermentera vörten.The demand of alcoholic free beer is increasing and there are many reasons to choose alcoholic free beer such as pregnancy, religion, work or before driving. But today there doesn’t exist a simple, cheap method to produce well tasting alcoholic free beer. The existing methods on the market to produce alcoholic free beer are dilution, distillation, reverse osmosis and to avoid fermenting the wort.

Swedish criminal law recognizes three different types of intent: knowledgeable, purposeful and indifferent. The last one, and the one examined in this thesis, means that the perpetrator was indifferent towards the effects his/her actions would have, meaning that the person would have acted the same way regardless of the outcome. The purpose of this essay is to examine how indifferent intent is use

Hälsofrämjande arbete är en del av distriktssköterskans arbetsområde och ett sätt att förebygga framtida ohälsa hos befolkningen. Ett effektivt sätt att utnyttja befintliga resurser vid hälsofrämjande arbete är att bedriva patientundervisning i grupp. Syftet med studien var att undersöka verksamhetschefers erfarenheter av distriktssköterskeledd patientundervisning i grupp på vårdcentral i södra Sv

Indoor positioning based on magnetic field fingerprints Indoor positioning, one of today’s technical challenges. How can it be solved when there is no standard solution? One approach is by discretizing earth’s magnetic field and use it as fingerprints. Today there is a standard technology called global positioning system, GPS. This is a system that is commonly used to position smartphones outdoor

I en värld där våra energiresurser snabbt håller på att förbrukas och där miljöpåverkan blir allt större så är det idag viktigare än någonsin för dagens företag att anpassa sig till framtidens energieffektivare samhälle. Att finna energieffektiviserande åtgärder i det dagliga livet kan tyckas enkelt, det är ju bara att släcka lampan och dra ut mobilladdaren efter användning! Att hitta dessa effeThe thesis was conducted due to new laws from the energy agency. The task of this master thesis was to develop a methodology for energy audits, find energy efficiency measures, and then use the methodology to create a detailed mapping of the formalin-, formic acid- and y-polyol plants. The master thesis also resulted in a comprehensive description of the company’s total energy use. To be able to f

Complex systems can be described by coupling several standalone ODE problems that communicate with input and output signals. The need for simulating such systems has increased in recent years. A major issue when simulating coupled ODE systems has been to communicate coupling relations properly throughout integration and how to handle discontinuities. In this paper a concept that aggregates several

Error control coding is an essential part of any well-designed digital communication system. It has been used in structures to protect the information, by enabling reliable delivery of digital data over unreliable communication channels. Even though this is an old topic, enlisted by Shannon in the late 40's, a lot of research is still going on. There have been recently some interesting approac

The purposes of this master thesis are the simulation of the aerator air flow driven by the spillway water flow in the Bergeforsen dam and the behavior of the flow in the stilling basin. Aerators are employed to supply air at critical locations in the flow where low pressure and cavitation may occur in order to protect the structure. The simulations were carried out, first in 2D and then in 3D, wi

En borrkärna från Anholt (Kattegatt) togs upp under IODP-expedition 347 i Östersjön. Kärnan är daterad till ~18-14 ka BP och representerar deglaciationen i slutet av Weichselistiden. Bentiska foraminiferer av arten Elphidium excavatum clavatum analyserades för stabila isotoper (δ18O och δ13C) för att rekonstruera region-ens paleoklimat och paleoceanografi, såsom salinitet, ventilation och produktiThis thesis is based on a sediment record collected from the Kattegat Sea, southwestern Scandinavia (Anholt Island area) during IODP Expedition 347 in autumn 2013, and focuses on a portion of this record spanning ~18—14 thousand years ago (ka BP), representing the last deglaciation at the end of the Weichselian. Benthic foraminifera of the species Elphidium excavatum clavatum were analysed for sta

Title: Knowledge acquisition for a new business model creation and enabling factors Date of the seminar: 28-05-2015 Course: Master Corporate Entrepreneurship and Innovation Internship and Degree Project (Master Thesis 15 ECTS) Authors: Dovilė Gedvilaitė and Shubhabrata Paul Supervisor: Dr. Joakim Winborg Keywords: business model innovation, change, creation, knowledge, knowledge acquisition

Undersökning och hantering av arsenikförorenade brunnar i Nicaragua Arsenik förorenar dricksvatten i Nicaragua och framkallar cancer. Lösningen är enkel: sand, tegelstenar och järnspikar. Varje år dör hundratusentals människor till följd av arsenikförorenat dricksvatten. Världshälsoorganisationen WHO listar arsenik på topp-tio-listan över de kemikalier i världen som hotar människors hälsa mest. The awareness of problems concerning arsenic contaminated drinking water sources has during recent years increased. WHO (World Health Organization) decided in 1993 to lower the recommended limit of arsenic in drinking water from 50 μg/l to 10 μg/l, mainly due to observations of its carcinogenicity. New places where the WHO limit for arsenic is exceeded are constantly discovered all over the world.

Undersökning och hantering av arsenikförorenade brunnar i Nicaragua Arsenik förorenar dricksvatten i Nicaragua och framkallar cancer. Lösningen är enkel: sand, tegelstenar och järnspikar. Varje år dör hundratusentals människor till följd av arsenikförorenat dricksvatten. Världshälsoorganisationen WHO listar arsenik på topp-tio-listan över de kemikalier i världen som hotar människors hälsa mest. The awareness of problems concerning arsenic contaminated drinking water sources has during recent years increased. WHO (World Health Organization) decided in 1993 to lower the recommended limit of arsenic in drinking water from 50 μg/l to 10 μg/l, mainly due to observations of its carcinogenicity. New places where the WHO limit for arsenic is exceeded are constantly discovered all over the world.

The majority of the current 3GPP and M2M networks use or will use IPv6 for accessing the internet. These IPv6 networks use Neighbor Discovery as defined in RFC 4861 to identify their neighbors on the link and see if they are active. The increase in the complexity of wireless networks and introduction of battery operated devices sets forth notable challenges to certain assumptions in the RFC 4861.