Sökning: "void content"

Visar resultat 16 - 20 av 42 uppsatser innehållade orden void content.

  1. 16. Greenhouse gas emissions from compacted peat soil

    Master-uppsats, SLU/Dept. of Soil and Environment

    Författare :Antonia Hartmann; [2021]
    Nyckelord :carbon dioxide; compression index; Peatland agriculture; recompression index; sand addition; soil compaction;

    Sammanfattning : Cultivated peat soils are a main driver for CO2 and N2O emissions, while the gas fluxes are dependent on intrinsic soil properties and land use. Sand addition into peat soils might reduce greenhouse gas (GHG) emissions and enhance soil strength, and thus the ability to tolerate soil compaction. LÄS MER

  3. 17. Investigation of Air Void Structure in Double Layer Porous asphalt based on X-ray Computed Tomography

    Master-uppsats, KTH/Byggvetenskap

    Författare :Shuchen Gong; [2020]
    Nyckelord :Tomography; non-destructive testing; destructive testing; air voids content; porous asphalt drilled cores;

    Sammanfattning : The X-ray computed tomography is a technology to investigate air void structure of drilled asphalt cores, which provides a non-destructive alternative to traditional laboratory methods, usually destructive testing.In this work, six in-situ specimens from a double layer porous asphalt pavement in Linköping, Sweden, were taken and analysed using both qualitative and quantitative methods of tomography. LÄS MER

  4. 18. Void content computation using optical microscopy for carbon fiber composites

    Master-uppsats, KTH/Hållfasthetslära

    Författare :Saman Fanni; [2020]
    Nyckelord :void content; fiber reinforced composites; image analysis; microscopy; kavitetshalt; fiberkomposit; bildanalys; mikroskopi;

    Sammanfattning : Three different void content calculation techniques using optical microscopy werecompared in multiple-user trials. The three methods studied comprised of a selection,thresholding, and semi-automatic machine learning method. LÄS MER

  5. 19. Institutionella repositorier, Open Access och doktoranderna som banar vägen : En kvalitativ studie

    Kandidat-uppsats, Högskolan i Borås/Akademin för bibliotek, information, pedagogik och IT

    Författare :Beate Granström; [2020]
    Nyckelord :Institutionella repositorier IR ; Open Access OA ; Digitala Vetenskapliga Arkivet DiVA ; parallellpublicering; självarkivering; semi-strukturerade intervjuer; doktorander; informationskompetens;

    Sammanfattning : Motivation is low for publishing and self-archiving in institutional repositories according to previous research, which is an issue since the repository’s full potential cannot be reached if it is void of materials. Doctoral students are the future of academia and ought to be given tools and information to be able to make informed decisions about where and how to publish. LÄS MER

  7. 20. Matematiklärares relationskompetens - vara eller icke vara? : ur ett elevperspektiv

    Magister-uppsats, Högskolan Kristianstad/Fakulteten för lärarutbildning

    Författare :Emma Jonasson; Ingemar Forss; [2020]
    Nyckelord :Relational competence; mathematical development; teacher-student relationship; classroom management; Relationskompetens; matematikutveckling; lärar-elev-relationer; klassrumsklimat;

    Sammanfattning : The purpose of the present study is to investigate students' experiences of the phenomenon of relational competence in mathematics teachers. Studies on relationships, relational pedagogy or relational competence generally can be found. LÄS MER