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  1. 1. Influence of Ladle-slag Additions on BOF-Process Parameters

    Författare :Anders Dahlin; Pär G. Jönsson; Joel Gustavsson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; BOF; slag formation; ladle slag; recycling; steel; composition; energy; Metallurgical process engineering; Metallurgisk processteknik;

    Sammanfattning : The influence of ladle-slag additions on the BOF-process performance were investigated in plant trials. The aim of the study was to recycle ladle slag from secondary steelmaking to the LD-converter to save lime and improve the slag formation. LÄS MER

  3. 2. Process Maturity : A Component of Process Management

    Författare :Gunnar Dahlin; Raine Isaksson; Rickard Garvare; Pernilla Ingelsson; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Kvalitetsteknik; Quality Technology and Management;

    Sammanfattning : To be able to meet an increased competition through for instance globalization, and shorter product lifecycles, focus on performance control is central for organizations, where for instance processes and stakeholder orientation are central when continuously improving the operation of the organization.The purpose of this thesis is to contribute to the knowledge of how process maturity can be linked to process management. LÄS MER

  4. 3. Volatile mediated plant-plant communication in cultivar mixtures : from plant to aphid responses

    Författare :Iris Dahlin; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Modern agriculture is characterized by simplified cropping systems, associated with negative effects on environment, biodiversity and biological control potential. Cultivar mixtures are often presented as a more efficient and sustainable alternative due to additive effects of cultivar properties and pest reduction, but previous studies have provided equivocal results for this claim. LÄS MER

  5. 4. Kriget är inte över förrän den sista soldaten är begraven : Minnesarbete och gemenskap kring andra världskriget i S:t Petersburg med omnejd

    Författare :Johanna Dahlin; Peter Aronsson; Axelsson Bodil; Thomas Hylland; Linköpings universitet; []
    Nyckelord :Second World War; Cultural Memory; Ritual; Russia; St Petersburg; Heritage; Uses of the Past; Human Remains; Memory Politics; Andra världskriget; Ryssland; S:t Petersburg; historiebruk; kulturellt minne; ritualer; kulturarv; mänskliga kvarlevor; minnespolitik;

    Sammanfattning : Avhandlingen undersöker minnespraktiker kring andra världskriget i S:t Petersburg med omnejd, en stad som under namnet Leningrad 1941–44 var belägrad av tyskarna i över två år. På fronterna runt den omringade staden rasade under drygt två år hårda strider. LÄS MER

  7. 5. Mast Cell Progenitor Trafficking in Allergic Airway Inflammation

    Författare :Joakim Dahlin; Jenny Hallgren; Hans-Reimer Rodewald; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mast cells; mast cell progenitors; allergy; asthma; allergic airway inflammation; IgE; lung; CD11c;

    Sammanfattning : Mast cell progenitors originate from the bone marrow and migrate to the lungs via the blood. During maturation, these cells acquire granules that contain a potent array of bronchoconstrictive mediators. LÄS MER