Sökning: "z an"

Visar resultat 1 - 5 av 409 avhandlingar innehållade orden z an.

  1. 1. T-lymphocyte mediated killing of TAP-deficient tumor cells and immunodominance of minor histocompatibility antigens

    Författare :Elisabeth Z Wolpert; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Target structures and regulation of cytotoxic T lymphocyte (CTL) mediated responses is the subject of this thesis. One main finding is that cells devoid of a functional transporter associated with antigen processing (TAP) appear to express novel epitopes that can be recognized by syngenic CTL. LÄS MER

  3. 2. Towards Low-Complexity Vector Quantization

    Författare :T. Z. Shabestary; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Gaussian encoder; source coding; companding; Gaussian mixture; random coding; vector quantization; spectral coding;

    Sammanfattning : This thesis is about constructing low-complexity, yet high-performance, vector quantizers (VQs) for 'real-world' sources. Knowledge concerning the source is extracted from a finite training set. In contrast with conventional VQ design procedures, we use the training set to estimate a statistical model for the source. LÄS MER

  4. 3. Fuel Reforming for Hydrogen Production in Heavy-Duty Vehicle Applications

    Författare :Moa. Z. Granlund; Lars. J. Pettersson; Robert J. Farrauto; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; aging · autothermal fuel reforming · CeO2-ZrO2 · characterization · diesel · H2-assisted HC-SCR · micro reactor · monolith; Chemical Engineering; Kemiteknik;

    Sammanfattning : The depletion of fossil fuels together with growing environmental concerns have created incitement for developing a more energy-efficient and environmentally-friendly vehicle fleet. The development towards cleaner heavy-duty vehicles started already in the 80’s with the introduction of emission legislations. LÄS MER

  5. 4. The neglected ecology of the sand goby: Abundance and feeding in the Baltic sublittoral

    Författare :Sigrid Z. Ehrenberg; Ragnar Elmgren; Sture Hansson; Gunilla Ejdung; Erik Bonsdorff; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; sand goby; sublittoral; sub-thermocline; abundance; feeding; consumption; activity; Marine ecology; Marin ekologi; marin ekologi; Marine Ecology;

    Sammanfattning : I investigated the ecology and population density of the sand goby, Pomatoschistus minutus, at sub-thermocline depth in the north-western Baltic proper. Most previous research on the sand goby, and the co-occurring closely related common goby, P. LÄS MER

  7. 5. High-risk breast cancer: From biology to personalized therapeutic strategies

    Författare :Toshima Z Parris; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; breast cancer; outcome prediction; molecular biomarker; 8p11-p12 amplification;

    Sammanfattning : Adjuvant treatment regimens for breast cancer are primarily based on patient- and tumor-related factors, e.g. patient menopausal status, tumor stage and histological grade, and the status of molecular tumor markers (HER2/neu and the estrogen receptor). LÄS MER