Search for dissertations about: "Nanopartiklar"

Showing result 1 - 5 of 80 swedish dissertations containing the word Nanopartiklar.

  2. 1. Aerosol Synthesis and Characterization of Heterogeneous Bimetallic Nanoparticles

    Author : Markus Snellman; NanoLund: Centre for Nanoscience; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; nanoparticles; core-shell; Janus nanoparticles; aerosol technology; Fysicumarkivet A:2023 Snellman; Nanopartiklar; kärna-skal; Januspartiklar; aerosolteknologi;

    Abstract : As the proverbial noose tightens around humanity’s resource spending, research is focused on utilizing materials to their fullest potential. Nanotechnology is the ultimate way to economize by splitting objects into smaller parts and dispersing the material properties over greater surface to volume ratios. READ MORE

  4. 2. Fundamentals of Polyethylene Composites for HVDC Cable Insulation – Interfaces and Charge Carriers

    Author : Mattias E. Karlsson; Richard Olsson; Mikael Skrifvars; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; polyethylene; nanocomposites; HVDC; conductivity; metal oxide; nanoparticles; surface functionality; polyeten; nanokompositer; HVDC; konduktivitet; metalloxider; nanopartiklar; ytfunktionalitet; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Abstract : Power transmission over long distances by using high voltage direct current (HVDC) cables is important for the transition from fossil energy to using renewable energy sources, e.g. wind, solar and water. READ MORE

  5. 3. Aluminium oxide - poly(ethylene-co-butylacrylate) nanocomposites : synthesis, structure, transport properties and long-term performance

    Author : Patricia Nordell; Ulf Gedde; Lars Wågberg; Minna Hakkarainen; KTH; []
    Keywords : nanocomposite; nanoparticles; aluminium oxide; poly ethylene-co-butyl acrylate ; silanization; dispersion; Irganox 1010; antioxidant; OIT; sorption kinetics; water; nanokomposit; nanopartiklar; aluminium oxid; poly eten-co-butyl akrylat ; silanisering; dispergering; Irganox 1010; antioxidant; OIT; vattenupptag.;

    Abstract : Polymer nanocomposites are promising materials for dielectrical use in high voltage applications and insulations. This work presents a study of nanocomposites based on poly(ethylene-co-butyl acrylate) with two different comonomer compositions and two different aluminium oxide nanoparticles. READ MORE

  6. 4. Transformation/dissolution characteristics of cobalt and welding fume nanoparticles in physiological and environmental media: surface interactions and trophic transfer

    Author : Nanxuan Mei; Eva Blomberg; Inger Odnevall Wallinder; Jonas Hedberg; Iseult Lynch; KTH; []
    Keywords : nanoparticles; cobalt; stainless steel welding fume particles; biomolecules; metal release; trophic transfer; adsorption; agglomeration; algae; nanopartiklar; kobolt; rostfritt stål svetsrök partiklar; biomolekyler; metallfrigöring; trofisk överföring; adsorption; agglomerering; alger; Kemi; Chemistry;

    Abstract : Nanoparticles (NPs) and nanomaterials (NMs) are present everywhere in the environment. They can form both as an act of nature and during human activities. Various kinds of NPs and NMs are engineered for different applications in the ongoing development of nanoscience and technology. READ MORE

  7. 5. Nanomaterials : respiratory and immunological effects following inhalation of engineered nanoparticles

    Author : Åsa Gustafsson; Anders Bucht; Thomas Sandström; Johnny Lorentzen; Mikael Adner; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; nanoparticles; nanomaterials; inhalation; lung; metalloxides; immunologi; Immunology; Toxicology; toxikologi; lungmedicin; Lung Medicine; Occupational and Environmental Medicine; arbets- och miljömedicin; nanopartiklar; nanoparticles; nanotoxikologi; nanotoxicology;

    Abstract : Background Nanotechnology is an important and promising field that can lead to improved environment and human health and contribute to a better social and economic development. Materials in nanoscale have unique physiochemical properties which allow for completely new technical applications. READ MORE