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Visar resultat 6 - 10 av 21 avhandlingar som matchar ovanstående sökkriterier.

  1. 6. On the Search for High-Energy Neutrinos : Analysis of data from AMANDA-II

    Författare :Johan Lundberg; Allan Hallgren; Olga Botner; Els de Wolf; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; neutrinos; neutrino detection; cosmic rays; ultra-high energy; numerical simulation; optical properties; monte carlo method; ray tracing; neutrino detection; AMANDA; IceCube; WIMP; Physics; Fysik;

    Sammanfattning : A search for a diffuse flux of cosmic neutrinos with energies in excess of 1014 eV was performed using two years of AMANDA-II data, collected in 2003 and 2004. A 20% evenly distributed sub-sample of experimental data was used to verify the detector description and the analysis cuts. LÄS MER

  3. 7. On endovascular methods for cell transplantation : exploring the selective intra-arterial and trans-vessel wall routes

    Författare :H Johan Lundberg; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Background: Cell based transplantation methods are a pivotal part of the emerging field of regenerative medicine. These transplantation methods could possible produce curative treatments where, previously, expectations of such feats were low. Diseases for which treatments are evaluated are in such diverging physiological systems as e.g. LÄS MER

  4. 8. Openness as Political Culture : The Arab Spring and the Jordanian Protest Movements

    Författare :Arvid Lundberg; Johan Lindquist; Mark Graham; Daniele Cantini; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; activism; Arab Spring; democracy; Jordan; political culture; aktivism; arabiska våren; demokrati; Jordanien; politisk kultur; socialantropologi; Social Anthropology;

    Sammanfattning : This study is an exploration of the origins of the Arab Spring in Jordan and across the region. Based on ethnographic fieldwork among the leadership of the Jordanian protest movements, it suggests a new way of understanding why these movements fell apart. LÄS MER

  5. 9. Rethinking Urban Nature : Maintaining Capacity for Ecosystem Service Generation in a Human Dominated World

    Författare :Jakob Lundberg; Thomas Elmqvist; Carl Folke; Johan Colding; Steven N. Handel; Stockholms universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : Human action has transformed the major part of the Earth’s ecosystems. A growing human population puts further pressure on dynamic landscapes and resources. Crucially, for the first time in history, most people live in cities and environmental change has become truly global. LÄS MER

  7. 10. Residual stresses, fatigue and deformation in cast iron

    Författare :Mattias Lundberg; Johan Moverare; Ru Lin Peng; Taina Ahmad; Daniel Bäckström; Maqsood Ahmad; Sten Johansson; Mattias Calmunger; Peter Hedström; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The complex geometry of cylinder heads in heavy-duty diesel engines makes grey iron or compact graphite iron a preferred material choice due to its price, castability, thermal conductivity and damping capacity. Today’s strict emission laws have increased the demands on engine performance and engine efficiency. LÄS MER