Sökning: "F May"

Visar resultat 1 - 5 av 339 avhandlingar innehållade orden F May.

  1. 1. Final-State-Resolved Mutual Neutralization of Li+ and H-

    Författare :Alice F. Schmidt-May; Henning T. Schmidt; Fivos Perakis; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; DESIREE; ion; mutual neutralization; collision; lithium; hydrogen; Physics; fysik;

    Sammanfattning : We studied the mutual neutralization of Li+ and H- at effective collision energies of a few hundred meV, which corresponds to temperatures of around 2000 K, in the double ion storage ring DESIREE.We present a new approach to match beam velocities and a new general analysis method for non-fragmenting mutual neutralization at DESIREE. LÄS MER

  3. 2. A Structured Approach for Evaluating ICT Contributions to Development

    Författare :Florence Nameere Kivunike; Love Ekenberg; Mats Danielson; F. F. Tusubira; Tim Unwin; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Computer and Systems Sciences; data- och systemvetenskap;

    Sammanfattning : There is considerable on-going research aimed at devising means of evaluating the contribution information and communication technology (ICT) makes towards development, of which this thesis forms a part. It specifically seeks to investigate how a structured approach can support the evaluation of the ICT contribution to development. LÄS MER

  4. 3. May the power be with you : managing power-performance tradeoffs in cloud data centers

    Författare :Jakub Krzywda; Erik Elmroth; Per-Olov Östberg; Ahmed Ali-Eldin; Tarek F. Abdelzaher; Umeå universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; cloud computing; data centers; power efficiency; power budgeting; application performance;

    Sammanfattning : The overall goal of the work presented in this thesis was to find ways of managing power-performance tradeoffs in cloud data centers. To this end, the relationships between the power consumption of data center servers and the performance of applications hosted in data centers are analyzed, models that capture these relationships are developed, and controllers to optimize the use of data center infrastructures are proposed. LÄS MER

  5. 4. Controlling Weapons of Mass Destruction : An Evaluation of International Security Regime Significance

    Författare :Charles F. Parker; Michael Zürn; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Political science; Regimes; security; international cooperation; compliance; weapons of mass destruction; arms control; non-proliferation; nuclear weapons; biological weapons; chemical weapons; NPT; BTWC; CWC; CTBT; Statsvetenskap; Political science; Statsvetenskap; statskunskap; Political Science;

    Sammanfattning : This dissertation conducts an in-depth examination of the three weapons of mass destruction control regimes: the nuclear non-proliferation regime, the biological weapons control regime, and the chemical weapons control regime (NBC weapon control regimes). By examining a number of key indicators, this study investigates the specific ways each regime makes or does not make a difference in its respective issue area. LÄS MER

  7. 5. A Comparative Study of the Performance of Concurrency Control Algorithms in a Centralised Database

    Författare :Donald F Ross; Karlstads universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Datavetenskap; Computer Science;

    Sammanfattning : "The performance of Concurrency Control Algorithms (CCAs) in databases has been widely studied over the last ten years, mainly using analytic and simluation techniques. Results have been contradictory. The main CCA categories to emerge are locking, timestamping and serial validation. LÄS MER