Sökning: "Tomas Karlsson"

Visar resultat 11 - 15 av 22 avhandlingar innehållade orden Tomas Karlsson.

  1. 11. Cluster investigations of the extent and altitude distribution of the auroral density cavity

    Författare :Love Alm; Göran T. Marklund; Tomas Karlsson; Rickard Lundin; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Auroral density cavity; auroral accelaration; Cluster; in situ observation; electron density; pseudo altitude; Physics; Fysik;

    Sammanfattning : The auroral density cavity constitutes the boundary between the cold, dense ionospheric plasma and the hot, tenuous plasma sheet plasma. The auroral density cavity is characterized by low electron density and particle populations modified by parallel electric fields. LÄS MER

  3. 12. Cooperation in local electricity markets : modelling of technical measures

    Författare :Maria Andersson; Björn Karlsson; Curt Björk; Tomas Larsson; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energy system; System cost; Electricity market; Co-operation; Demand-side management; Energy efficiency; Shadow prices;

    Sammanfattning : This thesis presents a system analysis for co-operation in local electricity markets including distributors and customers. The purpose of co-operation is to minimise the system cost of local markets by introducing system measures, such as end-use measures and municipal co-generation plants. LÄS MER

  4. 13. Cost-effective incentives for local electric utilities and industries in co-operation : modelling of technical measures

    Författare :Maria Andersson; Björn Karlsson; Curt Björk; Tomas Kåberger; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energy system; System cost; Electricity market; Co-operation; Demand-side management; Energy efficiency;

    Sammanfattning : In the Swedish electricity system there is a great potential for increasing the cost efficiency of the electricity use. However, today the economic incentives, offered for instance by existing electricity rates, are too weak to improve the use of the system. LÄS MER

  5. 14. Envisioning entrepreneurship : Using photographs to elicit students’ preconceptions of entrepreneurship

    Författare :Katarina Ellborg; William B. Gartner; Tomas Karlsson; Gry Alsos; Linnéuniversitetet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Entrepreneurship didaktik; Entrepreneurship education; Studentcentred education; Phenomenographic didaktik; Visuality; Ledarskap; entreprenörskap och organisation; Ledarskap; entreprenörskap och organisation;

    Sammanfattning : Nowadays, entrepreneurship is taught on a ‘university-wide’ basis, implying that thesubject is introduced to multiple students from a diversity of backgrounds. At thesame time, a student-centred movement has been noted in the field, focusing ontailored education based on students’ preconceptions of entrepreneurship. LÄS MER

  7. 15. Playtime! : en studie av lärares syn på film som pedagogiskt hjälpmedel i historieämnet på gymnasiet

    Författare :Catharina Hultkrantz; Anna Larsson; Karlsson Martin; Tomas Axelsson; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; history didactics; teaching history with film; teacher s view of film; use of history; genetic and genealogical historical understanding; film studies; history of education; historiedidaktik; film i historieundervisning; lärares syn på film; historiebruk; genetisk och genealogisk historieförståelse; filmvetenskap; utbildningshistoria; historia med utbildningsvetenskaplig inriktning; history of education;

    Sammanfattning : Showing movies to pupils is hardly a new, innovative teaching method. However, knowledge about how film is used and why, as well as what kind of film is used is scarce. LÄS MER