Search for dissertations about: "payman"

Found 5 swedish dissertations containing the word payman.

  2. 1. Agarose based chelating adsorbents for preconcentration of trace and ultratrace heavy metals in water

    Author : Payman Hashemi; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; Kemi; Analytisk;

    Abstract : .... READ MORE

  4. 2. Adsorption and surface reaction properties of synthesized magnetite nano-particles

    Author : Payman Roonasi; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Chemistry of Interfaces; Gränsytors kemi;

    Abstract : The surface chemistry of inorganic materials is of great significance in a number of industrially important processes such as separation of ore by flotation, catalysis, water purification, paper coating and pharmaceutical industry. The purpose of this study has been firsly to develop a method for optimal synthesis of magnetite nanoparticles and secondly to utilize these particles as adsorbent in order to investigate their adsorption/desorption properties. READ MORE

  5. 3. Sorption reactions between ionic species and magnetite in aqueous solution

    Author : Payman Roonasi; Janos Kristof; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Chemistry of Interfaces; Gränsytors kemi;

    Abstract : The surface chemistry of inorganic materials is of great significance in a number of industrially important processes such as separation of ore by flotation, catalysis, water purification, leaching, as well as in the formulation of some pharmaceutical preparations. This thesis deals with magnetite and its sorption properties. READ MORE

  6. 4. Electrochemical Switching in Conducting Polymers – Printing Paper Electronics

    Author : Payman Tehrani; Magnus Berggren; Ghassan Jabbour; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Electrochemistry; Elektrokemi;

    Abstract : During the last 30 years a new research and technology field of organic electronic materials has grown thanks to a groundbreaking discovery made during the late 70’s. This new field is today a worldwide research effort focusing on exploring a new class of materials that also enable many new areas of electronics applications. READ MORE

  7. 5. Electrochromism and over-oxidation in conjugated polymers: Improved color switching and a novel patterning approach

    Author : Payman Tehrani; Magnus Berggren; Nathaniel D Robinson; Ludvig Edman; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Conjugated polymers; Over-oxidation; Patterning; Electrochromism; PEDOT:PSS; Material physics with surface physics; Materialfysik med ytfysik;

    Abstract : During the last 30 years a new research and technology field of organic electronic materials has grown thanks to a groundbreaking discovery made during the late 70’s. This new field is today a worldwide research effort focusing on exploring this new class of materials that also enable many new areas of electronics applications. READ MORE