Sökning: "Field grading"

Visar resultat 1 - 5 av 31 avhandlingar innehållade orden Field grading.

  1. 1. Local variation in bending stiffness in structural timber of Norway spruce : for the purpose of strength grading

    Författare :Min Hu; Marie Johansson; Linnéuniversitetet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; digital image correlation; fibre angle; high resolution; laser scanning; local stiffness; MOE profile; mode shape curvature; strain field; strength grading; structural timber; tracheid effect; Digital image correlation; fibervinkel; laserskanning; lokal styvhet; MOE-profil; töjningsfält; hållfasthetssortering; konstruktionsvirke; trakeideffekt; Forestry and Wood Technology; Skog och träteknik;

    Sammanfattning : Most strength grading machines on the European market use an averagemodulus of elasticity (MOE), estimated on a relatively large distance along awood member, as the indicating property (IP) to bending strength. Theaccuracy of such grading machines in terms of coefficient of determination israther low at R2 ≈ 0.5. LÄS MER

  3. 2. Electrical characteristics of SiC powders

    Författare :Eva Mårtensson; KTH; []
    Nyckelord :Field grading; Non-linear; SiC powdeer; Conduction mechanisms; Dielectric properties; Potential barrier; Field emissions;

    Sammanfattning : .... LÄS MER

  4. 3. ZrN Back-Contact Reflectors and Ga Gradients in Cu(In,Ga)Se2 Solar Cells

    Författare :Sebastian Michael Schleussner; Marika Edoff; Tobias Törndahl; Uwe Zimmermann; Dieter Schmid; Uppsala universitet; []
    Nyckelord :Solar cells; CIGS; ZrN; three-stage process; multi-stage process; grading; SIMS; electrical modelling; NATURAL SCIENCES; NATURVETENSKAP; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Sammanfattning : Solar cells constitute the most direct way of converting solar energy to electricity, and thin-film solar-cell technologies have lately been growing in importance, allowing the fabrication of less expensive modules that nonetheless have good power-conversion efficiencies. This thesis focuses on solar cells based on Cu(In,Ga)Se2, which is the thin-film technology that has shown the highest conversion efficiency to date, reaching 20. LÄS MER

  5. 4. ”Det är live liksom” : Elevers perspektiv på villkor och utmaningar i Idrott och Hälsa

    Författare :Madeleine Wiker; Annica Löfdahl; Christian Augustsson; Eva-Carin Lindgren; Karlstads universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Physical Education [PE]; health; pupils’ perspectives; pupils; PE teachers; grading system; assessment and grading; focus groups; Social Representations theory; Skolämnet Idrott och Hälsa [IH]; elevers perspektiv; hälsa; idrottslärare; betygssystem; bedömning och betygsättning; fokusgrupper; social representationsteori; Pedagogiskt arbete; Educational Work; Idrottsvetenskap; Sports Science;

    Sammanfattning : Based on pupils' perspectives, the purpose of this dissertation is to contribute to increased knowledge and in-depth understanding of PE. Sport, exercise and health are important factors for young people’s wellbeing. Children and young people who exercise sleep better, have more energy, learn to cooperate and perform better at school. LÄS MER

  7. 5. TINT Tumor Indicating Normal Tissue : new field of diagnostic biomarkers for prostate cancer

    Författare :Hanibal Hani Adamo; Anders Bergh; Göran Landberg; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; prostate cancer; biomarkers; TINT; patologi; Pathology;

    Sammanfattning : Background: Prostate cancer is the most common cancer in Sweden. Due its highly variable behavior, multifocal nature, and insufficient diagnostic methods, prostate cancer is difficult to diagnose and prognosticate. LÄS MER