Sökning: "Mattias Lundin"

Visar resultat 1 - 5 av 6 avhandlingar innehållade orden Mattias Lundin.

  1. 1. Students' participation in the realization of school science activities

    Författare :Mattias Lundin; Department of Social and Welfare Studies Linköping University; []
    Nyckelord :Science Education; Naturvetenskap med utbildningsvetenskaplig inriktning;

    Sammanfattning : .... LÄS MER

  3. 2. Students’ participation in the realization of school science activities

    Författare :Mattias Lundin; Mats Lindahl; Kerstin Bergqvist; Jan Schoultz; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Science education; School science; NOS; NOSS; Nature of science; Nature of school science; Naturvetenskapernas didaktik; NO-undervising; NOS; NOSS; Subject didactics; Ämnesdidaktik;

    Sammanfattning : I denna avhandling visar jag hur elever och lärare genomför NO-verksamhet i grundskolan. Avhandlingen illustrerar hur elevers frågor och uttryckta erfarenheter blir en del av ett etablerat ämnesinnehåll. LÄS MER

  4. 3. Measurement and modelling of unbalanced magnetic pull in hydropower generators

    Författare :Mattias Wallin; Urban Lundin; Antero Arkkio; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Damper winding; eddy currents; field winding short circuit; finite element method; hydropower generator; parallel circuits; rotor eccentricity; salient poles; synchronous generators; synchronous machines; UMP; unbalanced magnetic pull.; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Sammanfattning : Hydropower research is often perceived to be an old and exhausted field of study but with ageing equipment and the need for more intermittent operation caused by an increased share of other renewable energy sources new challenges lie ahead.The main focus of this dissertation are the electromagnetic forces resulting from nonuniform air gap flux, whether it be caused by rotor eccentricity or a faulty field winding. LÄS MER

  5. 4. QED and collective effects in vacuum and plasmas

    Författare :Joakim Lundin; Mattias Marklund; Thomas Heinzl; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; QED; quantum electrodynamics; quantum plasmas; quantum vacuum; Plasma physics; Plasmafysik; fysik; Physics;

    Sammanfattning : The theory of quantum electrodynamics (QED) was born out of an attempt to merge Einsteins theory of special relativity and quantum mechanics. Einsteins energy/mass equivalence together with Heisenberg's uncertainty principle allows for particle pairs to be spontaneously created and annihilated in vacuum. LÄS MER

  7. 5. Exploring the complexities of integrating socioscientific issues in science teaching

    Författare :Ulrika Bossér; Mats Lindahl; Mattias Lundin; Cedric Linder; Christina Ottander; Linnéuniversitetet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Scientific literacy; Socioscientific issues; Secondary school science; Teacher reflection; Classroom discourse; Science Education; Naturvetenskap med utbildningsvetenskaplig inriktning;

    Sammanfattning : Socioscientific issues, SSI, can briefly be described as societal issues in which science plays a role. Dealing with SSI in science education is a means to prepare and empower students for active and responsible participation in a complex, democratic society. LÄS MER