Sökning: "stationary phase"

Visar resultat 1 - 5 av 156 avhandlingar innehållade orden stationary phase.

  1. 1. Zwitterionic Sulfobetaine Polymers as Stationary Phases for Liquid Chromatography

    Detta är en avhandling från Umeå : Kemi

    Författare :Erika Wikberg; Umeå universitet.; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; sulfobetaine; polymer; RAFT polymerization; zwitterionic; separarion; liquid chromatography; stationary phase; NATURAL SCIENCES Chemistry Analytical chemistry; NATURVETENSKAP Kemi Analytisk kemi;

    Sammanfattning : Liquid chromatography is an important separation technique for a vast number of analytes. This thesis mainly focuses on the development of stationary phases for liquid chromatography based on zwitterionic sulfobetaine polymers. LÄS MER

  2. 2. Noise diagnostics of Stationary and Non-Stationary Reactor Processes

    Detta är en avhandling från Umeå : Kemi

    Författare :Carl Sunde; [2007]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; core-barrel vibrations; break-frequency method; wavelet; decay ratio; detector tube impacting; two-phase flow; spectral analysis; noise diagnostics;

    Sammanfattning : This thesis concerns the application of noise diagnostics on different problems in the area of reactor physics involving both stationary and non-stationary core processes. Five different problems are treated, divided into three different parts. LÄS MER

  3. 3. Phase-field modeling of surface-energy driven processes

    Detta är en avhandling från Stockholm : KTH, Materialvetenskap

    Författare :Klara Asp Grönhagen; KTH.; [2009]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Phase-field method; surface energy; solute drag; solid-state sintering; multicomponent multiphase flow; wetting; liquid-phase sintering; spinodal decomposition; CALPHAD; TECHNOLOGY Materials science; TEKNIKVETENSKAP Teknisk materialvetenskap;

    Sammanfattning : Surface energy plays a major role in many phenomena that are important in technological and industrial processes, for example in wetting, grain growth and sintering. In this thesis, such surface-energy driven processes are studied by means of the phase-field method. LÄS MER

  4. 4. Composite Cryogels: Stationary Phase for Separation of Complex Media

    Detta är en avhandling från Department of Biotechnology, Lund University

    Författare :Solmaz Hajizadeh; Lunds universitet.; Lund University.; [2012]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Composite cryogel; Complex media; Purification; Chromatography; Environmental application; Molecularly imprinted polymer;

    Sammanfattning : Demands for efficient, economical and fast separation and purification methods for various target molecules have led to the development of new techniques and materials for bioseparation processes. Separation can be carried out in both batch and chromatographic modes. LÄS MER

  5. 5. Economic Aspects of Fuel Cell-Based Stationary Energy Systems

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Suat Sevencan; KTH.; [2016]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fuel cells; niche market; stationary applications; feasibility; multi-generation; Chemical Engineering; Kemiteknik;

    Sammanfattning : It is evident that human activity has an important impact on climate. Constantly increasing energy demand is one of the biggest causes of climate change. The fifth assessment report of the Inter-governmental panel on climate change states that decarbonisation of electricity generation is a key component of climate change mitigation. LÄS MER