Sökning: "sodium salts"

Visar resultat 26 - 30 av 42 avhandlingar innehållade orden sodium salts.

  1. 26. Water Condensation and Freezing in the Atmosphere: Exploring Deliquescence and Ice Nucleation

    Författare :Dimitri Castarède; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Hygroscopicity; Deliquescence; Atmosphere; Particles; Ice Nucleation; Ice Nucleation Chamber;

    Sammanfattning : Atmospheric aerosols play key roles in numerous atmospheric processes. They affect human health, are substrates and components for atmospheric chemistry, and via their contribution to clouds affect the water cycle and the energy balance of the planet. LÄS MER

  3. 27. A nuclear magnetic resonance study of polycrystalline and surface O, O´-dialkyldithiophosphate complexes

    Författare :Anna-Carin Larsson; Luleå tekniska universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Physical Chemistry; Fysikalisk kemi;

    Sammanfattning : O, O'-dialkyldithiophosphate (dtp) complexes are known to be useful collectors of e. g. ZnS, PbS and CuS minerals in froth flotation. However, the precise surface chemistry is yet not understood. LÄS MER

  4. 28. Controlled release gel formulations and preclinical screening of drug candidates

    Författare :Tofeeq Ur-Rehman; Gerhard Gröbner; Mikael Elofsson; Åsa Gylfe; Martin Malmsten; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; poloxamer; drug delivery; micellization; DMSO; calorimetry; NMR. in situ gelation; chitosan; preclinical pharmacokinetics; type III secretion inhibitors; Physical chemistry; Fysikalisk kemi; Pharmaceutics; galenisk farmaci;

    Sammanfattning : Simple gel formulations may be applied to enhance the systemic and local exposure of potential compounds. The aim of this thesis is the development and characterization of controlled release formulations based on thermo-reversible poloxamer gels, which are suitable for novel drug delivery applications. LÄS MER

  5. 29. Tungsten-Based Nanocomposites by Chemical Methods

    Författare :Sverker Wahlberg; Muhammet S. Toprak; Håkan Engqvist; FNM Funktionella material KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Tungsten based-materials find use in many different fields of engineering, particularly in applications where good temperature and/or erosion resistance is important. Nanostructuring of tungsten composites is expected to dramatically improve the materials’ properties and enhancing the performance in present applications but also enabling totally new possibilities. LÄS MER

  7. 30. Patch testing with palladium and aluminium, epidemiological and experimental studies

    Författare :Lisbeth Rosholm Comstedt; Yrkes- och miljödermatologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Contact allergy to palladium; prevalence of metal allergy; patch testing with palladium; natrium tetrachloropalladate; palladium chloride; Finn Chamber; patch testing with aluminium; isolated palladium allergy; patch test system; adjuvants in patch testing; delayed hypersensitivty reaction;

    Sammanfattning : AbstractThe aim of this thesis was to investigate the prevalence and significance of contact allergy to palladium from a Swedish perspective. Our initial findings made it necessary to also explore the importance of the metal aluminium used in test chamber systems and the effect of aluminium chloride (Al-Cl) in patch test preparations. LÄS MER