Search for dissertations about: "Chemistry"

Showing result 1 - 5 of 5042 swedish dissertations containing the word Chemistry.

  1. 1. Computational Studies of Chemical Interactions: Molecules, Surfaces and Copper Corrosion

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Joakim Halldin Stenlid; KTH.; [2017]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; computational chemistry; density functional theory; chemical interactions; reactivity descriptors; copper corrosion; surface and materials science; nucleophilic substitution reactions; heterogeneous catalysis; transition metal oxides; nanotechnology; beräkningskemi; täthetsfunktionalteori; kemiska interaktioner; reaktivitetsdeskriptorer; kopparkorrosion; yt- och materialvetenskap; nukleofila substitutionsreaktioner; heterogen katalys; överångsmetalloxider; nanoteknologi; Kemi; Chemistry;

    Abstract : The chemical bond – a corner stone in science and a prerequisite for life – is the focus of this thesis. Fundamental and applied aspects of chemical bonding are covered including the development of new computational methods for the characterization and rationalization of chemical interactions. READ MORE

  2. 2. Modification of microcapsules for controlled release

    University dissertation from Chalmers University of Technology

    Author : Markus Andersson Trojer; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; Chalmers University of Technology.; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Yt- och kolloidkemi; Surface and colloid chemistry; Koordinationskemi; Coordination chemistry; Polymerkemi; Polymer chemistry; Microcapsule; imidazole; coordination chemistry; cross-linking; vibrational spectroscopy; electron paramagnetic resonance; quartz crystal microbalance with dissipation; polyelectrolyte multilayer; block copolymer; colloidal stability; controlled release;

    Abstract : Fouling of marine organisms such as algae and barnacles on the boat hull is an enormous problem for the shipping industry. The negative consequences for the society are both economical and environmental. To prevent fouling in general, biocides are typically incorporated directly into the paint. READ MORE

  3. 3. Development and Application of a First Principle Molecular Model for Solvent Effects

    University dissertation from Avdelningen för teoretisk kemi

    Author : Anders Öhrn; Lunds universitet.; Lund University.; [2008]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Theoretical chemistry; quantum chemistry; Teoretisk kemi; kvantkemi; magnetisk resonans; Fysikalisk kemi; Physical chemistry; gränsskikt; Ytkemi; Surface and boundary layery chemistry; spektroskopi; egenskaper elektriska; magnetiska och optiska ; supraledare; Kondenserade materiens egenskaper:elektronstruktur; spectroscopy; relaxation; magnetic resonance; supraconductors; magnetic and optical properties; Kemi; Condensed matter:electronic structure; electrical; Solvent model; Solvochromatic shift; Chemistry; Solvent effects; Solvation; Intermolecular interactions; Quantum chemistry; Statistical mechanics;

    Abstract : Popular Abstract in Swedish En betydande del av kemin i naturen och inom industrin äger rum i en omgivning av andra molekyler. Reaktioner, övergångar, interaktioner och andra kemiska processer påverkas nästan alltid utav omgivningen. READ MORE

  4. 4. On the Versatility of Microwave-Assisted Chemistry Exemplified by Applications in Medicinal Chemistry, Heterocyclic Chemistry and Biochemistry

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Kristina M. Orrling; Uppsala universitet.; [2009]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; microwave-assisted chemistry; malaria; aspartic protease; plasmepsin; PfPM4; PmPM4; PoPM4; PvPM4; inhibitor; unsaturated lactone; unsaturated lactam; unsaturated amide; lactam; Bestmann s ylide; ionic liquid; polymerase chain reaction; thermophilic enzyme; NATURAL SCIENCES Chemistry Organic chemistry Pharmaceutical chemistry; NATURVETENSKAP Kemi Organisk kemi Läkemedelskemi; NATURAL SCIENCES Chemistry Organic chemistry Organic synthesis; NATURVETENSKAP Kemi Organisk kemi Organisk syntes; NATURAL SCIENCES Chemistry Biochemistry; NATURVETENSKAP Kemi Biokemi; biokemi; Biochemistry;

    Abstract : Today, the demand for speed in drug discovery is constantly increasing, particularly in the iterative processes of hit validation and expansion and lead optimization. Irradiation with microwaves (MWs) has been applied in the area of organic synthesis to accelerate chemical reactions and to facilitate the generation of new chemical entities since 1986. READ MORE

  5. 5. Multifunctional Carbon Foams by Emulsion Templating Synthesis, Microstructure, and 3D Li-ion Microbatteries

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Habtom Desta Asfaw; Uppsala universitet.; [2017]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Battery; Carbon; Electrochemical; Electrodeposition; Emulsion; Energy; Exfoliation; Foam; Lithium; Microbattery; Multifunctional; Nanoparticles; Polyaniline; Polymer; Power; Sol-gel; Storage; Structured; Three-dimensional; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

    Abstract : Carbon foams are among the existing electrode designs proposed for use in 3D Li-ion microbatteries. For such electrodes to find applications in practical microbatteries, however, their void sizes, specific surface areas and pore volumes need be optimized. READ MORE