Search for dissertations about: "surface reactions"

Showing result 1 - 5 of 519 swedish dissertations containing the words surface reactions.

  1. 1. ROLE OF SURFACE OXIDES IN SINTERING OF CHROMIUM-ALLOYED STEEL POWDER

    University dissertation from ; Chalmers tekniska högskola; Gothenburg

    Author : Henrik Karlsson; [2005]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; water atomisation; surface analysis; sintering; chromium-alloyed steel.; Powder metallurgy; surface reactions; surface; surface oxide; SEM; XRD; AES; XPS;

    Abstract : During water-atomisation and handling of steel powder the surface inevitably oxidises. The surface bound oxide is an important factor in the processing of powder metallurgical (PM) steels, especially in case the powder contains elements forming stable oxides, such as Cr, Mn, and Si. READ MORE

  2. 2. Reactions of aqueous radiolysis products with oxide surfaces An experimental and DFT study

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Cláudio Miguel Lousada Patrício; KTH.; [2013]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; hydrogen peroxide; hydrogen production; metal; oxides; lanthanide; catalysis; density functional theory; surface; reactions; chemistry; SRA - Energy; SRA - Energi; SRA - Production; SRA - Produktion;

    Abstract : The reactions between aqueous radiolysis products and oxide surfaces are important in nuclear technology in many ways. In solid-liquid systems, they affect (and at the same time are dependent on) both the solution chemistry and the stability of materials under the influence of ionizing radiation. READ MORE

  3. 3. Modelling Chemical Reactions Theoretical Investigations of Organic Rearrangement Reactions

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Per-Erik Larsson; Uppsala universitet.; [2003]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Quantum chemistry; Kvantkemi; NATURAL SCIENCES Chemistry Theoretical chemistry Quantum chemistry; NATURVETENSKAP Kemi Teoretisk kemi Kvantkemi; Quantum Chemistry; Kvantkemi;

    Abstract : Chemical reactions are ubiquitous and very important for life and many other processes taking place on earth. In both theoretical and experimental studies of reactivity a transition state is often used to rationalise the outcome of such studies. READ MORE

  4. 4. Electronic structure of semiconductor surfaces : reconstructions and surface reactions

    University dissertation from Fysiska institutionen

    Author : Magnus Björkqvist; KTH.; [1997]
    Keywords : ;

    Abstract : .... READ MORE

  5. 5. Photochemical Surface Functionalization Synthesis, Nanochemistry and Glycobiological Studies

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Lingquan Deng; KTH.; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Carbohydrates; Glycobiology; Carbohydrate-protein interactions; Perfluorophenylazide PFPA ; Photochemistry; Carbohydrate surface immobilization; Carbohydrate microarrays; Surface plasmon resonance SPR ; Quartz crystal microbalance QCM ; Atomic force microscopy AFM ; Glyconanomaterials; Concanavalin A Con A ; Cyanovirin-N CV-N ; 1-Glycosyl thiols; Mutarotation; 1-S-glycosylation; Stereocontrol;

    Abstract : This thesis mainly deals with the development of photochemical approaches to immobilize carbohydrates on surfaces for glycobiological studies. These approaches have been incorporated into a number of state-of-the-art nanobio-platforms, including carbohydrate microarrays, surface plasmon resonance (SPR), quartz crystal microbalance (QCM), atomic force microscopy (AFM), and glyconanomaterials. READ MORE