Sökning: "Principal components analysis"

Visar resultat 1 - 5 av 109 uppsatser innehållade orden Principal components analysis.

  1. 1. Syntetiskt pärlemor : Producerat via in situ-kristallisation

    Master-uppsats,

    Författare :Pontus Blomberg; [2023]
    Nyckelord :Biomineralisation; Aragonite; Calcium; Carbonate; CaCO3; CNC;

    Sammanfattning : This thesis describes a sequence of experiments which have been performed with the intention to produce synthetic nacre. Synthetic nacre is a biomimetic material based on nacre, a material which can be found in mollusc shells. Nacre is a nanocomposite which has improved mechanical properties compared to the principal component aragonite (95% wt%). LÄS MER

  3. 2. Public Domain Intelligence Tests: Psychometric properties of the Cog15 and ICAR16 cognitive ability scales

    Master-uppsats, Lunds universitet/Institutionen för psykologi

    Författare :Dagný Kristjánsdóttir; Aya Zaiter; [2023]
    Nyckelord :general intelligence; intelligence testing; public domain; CFA; PCA; Social Sciences;

    Sammanfattning : The current paper aims to explore the psychometric properties of two public domain cognitive ability scales, Cog15 and ICAR16, and investigate how well they each capture the g-factor in a Swedish sample (N = 428). The motivation for choosing these aims is that public domain, free, and easily accessible intelligence tests are needed for measuring the g-factor. LÄS MER

  4. 3. Environmental Management for System Engineering Projects : A Case Study on How to Bridge the Gap between Ambition and Action

    Master-uppsats,

    Författare :Lisa Rylander; [2023]
    Nyckelord :Sustainability; Environmental Management; System Engineering; Science-Based Targets; Carbon Footprint Analysis;

    Sammanfattning : This thesis focuses on addressing the challenge of managing the climate impact of system engineering projects within a large global industrial company. The research design is a case study within the selected company, and it integrates qualitative and quantitative methodologies to provide a holistic understanding of environmental challenges. LÄS MER

  5. 4. Improving Availability of the Pelletization Process

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälle

    Författare :Emil Andreasson; Pontus Åhman; [2022]
    Nyckelord :Availability; Predictive Maintenance; Pelletization; Statistical Process Control; Refractory Material; DMAIC;

    Sammanfattning : The Grate-Kiln-Cooler process is a commonly used method of sintering during iron ore pelletization, where the pellets are formed, dried, and hardened. The pellets are oxidized in the rotating Kiln, turning magnetite (Fe3O4) to hematite (Fe2O3), making the pellets attain suitable metallurgical attributes for further processing. LÄS MER

  7. 5. Självkänsla ur ett sociologiskt perspektiv : En kritisk analys av begreppets fruktbarhet

    Master-uppsats, Karlstads universitet/Institutionen för sociala och psykologiska studier (from 2013)

    Författare :Emil Lundell; [2022]
    Nyckelord :Self-esteem; Self-concept; Revised Janis and Field Scale; Rasch analysis.; Självkänsla; Självbild; Revised Janis and Field Scale; Raschanalys.;

    Sammanfattning : Syftet med denna uppsats var att undersöka sociometerteorins sociologiska relevans, förenlighet med flerdimensionella och hierarkiska modeller av självbild samt mätinstrumentet Revised Janis and Field Scales mätegenskaper. En enkät administrerades till 225 studenter vid Karlstads universitet, varav 140 respondenter var kvinnor och 85 var män. LÄS MER