Sökning: "fredrik"

Visar resultat 1 - 5 av 1201 avhandlingar innehållade ordet fredrik.

  1. 1. Assessment of safety characteristics for Li-ion battery cells by abuse testing

    Författare :Fredrik Larsson; Carl Fredrik Larsson; SP Elektronik.; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; overcharge; Lithium-ion; toxic gases; abuse test; thermal runaway; short circuit; safety; battery; fire;

    Sammanfattning : Despite the many advantages with lithium-ion batteries there can be disadvantages in form of safetyissues. In an abuse situation a Li-ion cell can undergo a thermal runaway releasing excessive heat,flammable and toxic gas emissions and eventually accompanied by dissembling/explosion and fire. LÄS MER

  2. 2. Evaluating the performance of TEWA systems

    Detta är en avhandling från Örebro : Örebro universitet

    Författare :Fredrik Johansson; Högskolan i Skövde.; Högskolan i Skövde.; Örebro universitet.; [2010]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Teknik; Technology; air defense; information fusion; performance evaluation; threat evaluation; TEWA; weapon allocation; TECHNOLOGY; TEKNIKVETENSKAP; TECHNOLOGY Information technology; TEKNIKVETENSKAP Informationsteknik; TECHNOLOGY Information technology Computer science; TEKNIKVETENSKAP Informationsteknik Datavetenskap; Computer and Systems Science; Data- och systemvetenskap;

    Sammanfattning : It is in military engagements the task of the air defense to protect valuable assets such as air bases from being destroyed by hostile aircrafts and missiles. In order to fulfill this mission, the defenders are equipped with sensors and firing units. To infer whether a target is hostile and threatening or not is far from a trivial task. LÄS MER

  3. 3. Lärarstudenters digitala studievardag : Informationslitteracitet vid en förskollärarutbildning

    Detta är en avhandling från Department of Arts and Cultural Sciences, Lund University

    Författare :Fredrik Hanell; Lunds universitet.; Lund University.; [2019]
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Information Literacy; Information Sharing; Teacher Education; Digital Media; Digitalisation; Socio-cultural theory; Identity; Netnography; Policy Analysis; Information Studies; Informationslitteracitet; Medie- och informationskunnighet; informationsdelning; Lärarutbildning; Digitala medier; Digitalisering; Socio-kulturell teori; Identitet; Policyanalys; Etnografi;

    Sammanfattning : This dissertation reports on an investigation into how digital tools are used, negotiated and given meaning in Swedish pre-school teacher education. The overall aim has been to create a deeper understanding of how students’ information literacies are enacted when digital tools are used and appropriated in the daily life at a pre-school teacher education, in relation to conceptions of the digitalisation of teacher education in national policy. LÄS MER

  4. 4. På jakt efter språk : : om språkdelen i gymnasieskolans svenskämne

    Detta är en avhandling från Malmö högskola

    Författare :Fredrik Hansson; Lunds universitet.; Lund University.; Malmö University.; Malmö University.; [2011]
    Nyckelord :HUMANIORA; HUMANITIES; educational linguistics; critical literacy; school subject Swedish; mother tongue subjects; upper secondary school; language development; subject didactics; writing instruction; explicit teaching; invisible pedagogy; metalanguage; grammar instruction; genre pedagogy; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Humanities Social Sciences;

    Sammanfattning : Popular Abstract in Swedish Ett gemensamt drag i befintlig forskning är att språkliga delar av gymnasieskolans svenskämne framstår som diffusa och tycks sakna kärna och teoretisk ram. Syftet med avhandlingen På jakt efter språk är att beskriva och problematisera språkdelen i gymnasieskolans svenskämne. LÄS MER

  5. 5. Risk of nitrous oxide emissions and potential of bioaugmentation when treating digester supernatant via nitrification-denitrification

    Detta är en avhandling från Department of Chemical Engineering, Lund University

    Författare :Fredrik Stenström; Lunds universitet.; Lund University.; [2017-10-24]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Bioaugmentation; Digester supernatant; Inoculation; Nitrification-denitrification; Nitrifiers; Nitrous oxide emissions; Reject water; Bioaugmentation; Digester supernatant; Inoculation; Nitrification-denitrification; Nitrifiers; Nitrous oxide emissions; Reject water;

    Sammanfattning : This thesis examines two different impacts of sidestream treatment of digester supernatant via nitrification-denitrification in a sequenced batch reactor (SBR). One of the impacts is the detrimental formation of nitrous oxide, and the other is the positive boosting of nitrifiers to the mainstream process through bioaugmentation. LÄS MER