Sökning: "Gamma function"

Visar resultat 1 - 5 av 48 uppsatser innehållade orden Gamma function.

  1. 1. Evaluating aperture shape controller (ASC) in modulated radiation treatments

    Master-uppsats,

    Författare :Vilma Andrén Cederholm; [2023-09-28]
    Nyckelord :Medical physics;

    Sammanfattning : To decrease aperture complexity, the aperture shape controller (ASC) is a recently introduced function in Eclipse external beam planning (Varian Medical Systems, Palo Alto, USA). ASC works within the photon optimizer, minimizing distances between adjacent leaf tips of the MLC. LÄS MER

  3. 2. Microstructural design and optimization of Nickel-based superalloys for gas turbines

    Master-uppsats, KTH/Materialvetenskap

    Författare :Anirudh Vasishta; [2023]
    Nyckelord :Nickel- based superalloys; gamma prime γ′ size calculations; Nickelbaserade superlegeringar; gamma prime γ′ storleksberäkningar;

    Sammanfattning : One of the main sources of energy in this modern world is the gas turbine.  They reach extremely high working temperatures at peak capacity and hence require materials that can withstand the same. LÄS MER

  4. 3. Activity quantification of 177Lu using a 360◦ CZT gamma camera - comparison with a dual-head Anger camera

    Master-uppsats, Lunds universitet/Sjukhusfysikerutbildningen

    Författare :Albin Lindvall; [2023]
    Nyckelord :Medicine and Health Sciences;

    Sammanfattning : Background and Aim: New SPECT cameras that use CZT detectors in a 360◦ configuration has recently been introduced. Together with Bayesian reconstruction methods employing Median Root Prior (MRP) and Relative Difference Prior (RDP), this constitutes an alternative to Anger-based SPECT for activity quantification. LÄS MER

  5. 4. Approaches to Structural Characterization of a Heteromeric GABA(A)R

    Master-uppsats, KTH/Tillämpad fysik

    Författare :Alexander Stevens; [2023]
    Nyckelord :Applied Physics; Biophysics; Molecular Biophysics; GABA A R; LGIC; pLGIC; Tillämpad Fysik; Biofysik; Molekylär Biofysik; GABA A R; LGIC; pLGIC;

    Sammanfattning : Structural biology has become an important part of researching various diseases and drug development. In this thesis, I provide details on how I worked with approaches to structural characterization of a heteromeric GABA(A)R. LÄS MER

  7. 5. Economic Capital Models : Methods for fitting loss distributions

    Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för matematik och matematisk statistik

    Författare :William Fritzell; [2023]
    Nyckelord :Economic Capital; Distribution fitting; MCMC;

    Sammanfattning : The thesis provides a well-researched classical approach to fit and predict the losses (extreme) for Lloyds Bank’s Dutch mortgage portfolio, their defaulted Dutch mortgage portfolio, and their German personal and car loan portfolio. This is a crucial piece for quantification of the economic loss, required for effective credit risk management by the Bank. LÄS MER