Sökning: "Andreas Sundström"

Hittade 4 avhandlingar innehållade orden Andreas Sundström.

  1. 1. Collisional effects and attosecond diagnostics in laser-generated plasmas

    Författare :Andréas Sundström; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; electrostatic shocks; plasma physics; plasma diagnostics; laser-plasmas; attosecond pulses; extreme-ultraviolet; Coulomb collisions;

    Sammanfattning : When matter is radiated by laser light of extreme intensity, it is rapidly ionized, thereby forming a plasma. Such laser-generated plasmas can be used as sources of energetic particles and radiation, or to study astrophysically relevant phenomena in the laboratory and the behavior of matter under extreme conditions. LÄS MER

  3. 2. Collisional effects on electrostatic shock waves and heating in laser-generated plasmas

    Författare :Andréas Sundström; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; plasma physics; inverse Bremsstrahlung; warm dense matter; binary collisions; electrostatic shocks; laser-plasmas;

    Sammanfattning : Electrostatic shock waves are associated with an electrostatic field structure propagating at supersonic speed through laboratory or astrophysical plasmas. Shock ion acceleration schemes, based on the strong electrostatic field in the shock structure, show promising potential due to the narrow energy spread of accelerated ions – which can be applied in plasma diagnostics, the generation of warm dense matter or medical purposes. LÄS MER

  4. 3. Representing Performance | Performing Representation : Ontology in accounting practice

    Författare :Andreas Sundström; Matti Skoog; Bino Catasús; Jan Mouritsen; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Accounting; Ontology; Commensuration; Distance; Performance measurement; Praxiography; företagsekonomi; Business Administration;

    Sammanfattning : Social studies of accounting have drawn attention to the dubious role of accounting as a representational link between organizational realities and action. Based on five years immersion with performance management and board work in a theatre company, this thesis inquires into the ontological significance of accounting practices. LÄS MER

  5. 4. Analysis of Immunoglobulin Genes and Telomeres in B cell Lymphomas and Leukemias

    Författare :Sarah Walsh; Richard Rosenquist; Christer Sundström; Anna Laurell; Andreas Rosenwald; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Genetics; B cell lymphoma leukemia; mantle cell lymphoma; hairy cell leukemia; lymphoplasmacytic lymphoma; immunoglobulin genes; antigen selection; telomeres; cellular origin; somatic hypermutation; Genetik; Clinical genetics; Klinisk genetik;

    Sammanfattning : B cell lymphomas and leukemias are heterogeneous tumors with different cellular origins. Analysis of immunoglobulin (Ig) genes enables insight into the B cell progenitor, as Ig somatic hypermutation correlates with antigen-related B cell transit through the germinal center (GC). LÄS MER