Sökning: "Erik Johansson"

Visar resultat 1 - 5 av 121 avhandlingar innehållade orden Erik Johansson.

  1. 1. Optics of coated paperboard : Aspects of surface treatment on porous structures

    Författare :Erik Bohlin; Caisa Johansson; Magnus Lestelius; Per Edström; Per-Åke Johansson; Karlstads universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; Chemical Engineering; Kemiteknik;

    Sammanfattning : Calendering of coated and uncoated paper is widely used to enhance optical properties such as gloss and print quality. The aim of this thesis is to characterize coatings and prints, and to validate models using experimental results from optical measurements of physical samples. Calendering of coated paper often leads to a brightness decrease. LÄS MER

  2. 2. Arbetsplatsens lärmiljöer : En organisationspedagogisk studie av konstruerande av lärmiljö i vuxenutbildningsverksamhet

    Författare :Peter Johansson; Jon Ohlsson; Marianne Döös; Per-Erik Ellström; Peter E Johansson; Stockholms universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Learning environment; organizational pedagogic; workplace learning; micro contexts; teachers; VET-program; Lärmiljö; organisationspedagogik; arbetsplatslärande; mikrokontext; lärare; vuxenutbildning; Education; Pedagogik; pedagogik; Education;

    Sammanfattning : Today’s research on workplace learning stresses the importance of the environment in which learning takes place. On the basis of an empirical study of a Vocational Education and Training (VET) program this thesis aims to create knowledge about how a learning environment is constructed. LÄS MER

  3. 3. Free radical mediated cellulose degradation during high-consistency ozone conditions : reaction patterns in fibers and free radical chemistryd Erik E. Johansson

    Författare :Erik E. Johansson; KTH; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; Chemistry; Kemi;

    Sammanfattning : .... LÄS MER

  4. 4. Improving the understanding of cloud radiative heating

    Författare :Erik Johansson; Abhay Devasthale; Michael Tjernström; Annica M. L. Ekman; Robert Pincus; Stockholms universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; clouds; radiative effects; upper troposphere-lower stratosphere; atmospheric circulation; remote sensing; Atmospheric Sciences and Oceanography; atmosfärvetenskap och oceanografi;

    Sammanfattning : Clouds play an essential role in regulating Earth’s radiation budget by reflecting and absorbing energy at different spectra. As they interact with radiation, they can radiatively heat or cool the adjacent atmosphere and the surface. LÄS MER

  5. 5. The knowledge problem of public transport policy

    Författare :Erik Johansson; Trafik och väg; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Public transport; Planning; Appraisal; Evaluation; Public transport; Planning; Appraisal; Evaluation;

    Sammanfattning : The overall aim of the thesis is to investigate the knowledge problem in regional public transport planning. The knowledge problem is twofold. How do transport policy arrive at the desirable actions they take and how do they assess the alternatives, and what can we say about the contributions of already implemented transport schemes. LÄS MER