Sökning: "system L"

Visar resultat 16 - 20 av 693 avhandlingar innehållade orden system L.

  1. 16. Regulatory and Structural Properties of the High-Affinity Phosphate Acquisition System in Saccharomyces cerevisiae

    Författare :Jens Lagerstedt; Bengt L. Persson; Joseph W. DePierre; Peter J. Henderson; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biochemistry; Biokemi;

    Sammanfattning : Inorganic phosphate is an essential nutrient required for the synthesis of many cellular components (e.g., nucleic acids, proteins, lipids and sugars), as well as for meeting metabolic needs (e.g. LÄS MER

  3. 17. Massive MIMO From a Terminal Perspective

    Författare :Erik L Bengtsson; Institutionen för elektro- och informationsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Massive MIMO; mm-wave; terminal antenna; channel sounding; Propagation Channel; sub 6 GHz;

    Sammanfattning : This thesis focuses on the terminal aspects of massive MIMO systems. Based on the degree of freedom a terminal have in a MaMi, different antenna configurations, transceiver topologies with associated transmission schemes, and the underlying algorithms are researched. LÄS MER

  4. 18. TRIBOCHEMICAL INTERACTIONS OF A PTFE/ALPHA ALUMINA COMPOSITE AT THE SLIDING INTERFACE: A MECHANISM FOR ULTRA LOW WEAR

    Författare :Kathryn L Harris; USA University of Florida; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The wear and friction behavior of ultralow wear polytetrafluoroethylene (PTFE)/αalumina composites first described by Burris and Sawyer in 2006 has been studied intensively in the years hence. The mechanisms responsible for the remarkable improvement in wear over unfilled PTFE are not yet fully understood. LÄS MER

  5. 19. Dynamics of Rotors Influenced by Rubbing Contacts

    Författare :John L. Isaksson; Göran Gerbert; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : This thesis concerns theoretical studies of the dynamical behaviour of a rotor interacting with its non-rotating surroundings. Rotor-stator rubs make the rotor system strongly non-linear, which leads to phenomena that are not seen for ordinary rotors. LÄS MER

  7. 20. Molecular Genetic Studies of the Blood Group ABO Locus in Man

    Författare :Martin L Olsson; Avdelningen för hematologi och transfusionsmedicin; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; chi sequence; recombination; population studies; blood group serology; erythrocyte; blood transfusion; sequencing; DNA; PCR; genomic; Blood group ABO; allele; Immunology; serology; transplantation; Immunologi; serologi; Clinical genetics; Klinisk genetik;

    Sammanfattning : The ABO blood group system is undoubtedly the most important genetic and phenotypic marker in clinical transfusion medicine. The A and B determinants are immunodominant, terminally located carbohydrate residues of glycoconjugates on erythrocytes and other cell surfaces. LÄS MER