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Visar resultat 1 - 5 av 15 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Implementation of Dyson equation to accelerate convergence in RS-LMTO-ASA code

    Master-uppsats, Uppsala universitet/Materialteori

    Författare :Elis Uebel; Viktor Frilén; [2024]
    Nyckelord :Density functional theory; Dyson equation;

    Sammanfattning : First-principle calculations is a key ingredient for us to understand, improve and design new materials. Density functional theory (DFT) [1] has proven to be a very powerful tool and a number of different versions exist depending on the problem at hand. LÄS MER

  3. 2. CO2 Sequestration by Bio-Accelerated Silicate Weathering

    Kandidat-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Tora Uebel; Elisabeth Odelius; [2023]
    Nyckelord :enhanced silicate weathering; microorganisms; negative emission technology; CO2 emissions;

    Sammanfattning : Human-caused emissions of CO2 and other greenhouse gases are an established reason for the climate changes that affect planet Earth. Negative emission technologies (NETs), for example, bio-accelerated silicate weathering bioreactors, seek to capture and store carbon from the atmosphere. LÄS MER

  4. 3. The Nuclear Dilemma : A Study on the Nuclear Energy Growth Nexus and Greenhouse Gas Emissions

    Master-uppsats, Linköpings universitet/Nationalekonomi; Linköpings universitet/Filosofiska fakulteten

    Författare :Pontus Karlsson; Felicia Uebel; [2023]
    Nyckelord :Economic Growth; Energy Growth Nexus; Nuclear Energy Growth Nexus; Econometrics; Economics; Nuclear Power; Nuclear Consumption; Energy Consumption; Energy Production; Environmental Kuznets Curve; Greenhouse Gas Emissions; IPI; Nuclear Dilemma; Granger Causality Test; Energy; Oil; Ekonomisk tillväxt; Energi-Tillväxt Sambandet; Kärnkraftsenergi-Tillväxt Sambandet; Ekonometri; Ekonomi; Kärnkraft; Kärnkraftskonsumtion; Energikonsumtion; Energiproduktion; Växthusgasutsläpp; Kärnkraftsdilemmat; Energi; Olja;

    Sammanfattning : The relationship between energy consumption and economic growth has been a popular topic in recent studies, with a considerable amount of literature conducted, although there still is no consensus regarding the relationship. Few studies have analysed the nuclear energy growth nexus with greenhouse gas emissions, and none have used the same method, data, and sample period. LÄS MER

  5. 4. Observations of Field-Aligned Currents and Their Role in Auroral Formation

    Kandidat-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Maxim Uebel; Nikolaos Timoudas; [2023]
    Nyckelord :;

    Sammanfattning : Experimentally, it has been difficult to identify the exact physical processes atwork in the magnetosphere that drive the strong currents that later give rise to auroras. Theaim of this report has been to address this question by analyzing data gathered from Cluster-,MMS-, and DMSP satellite missions. LÄS MER

  7. 5. Developing data processing program for a new radio magnetotelluric (RMT) instrument

    Kandidat-uppsats, Uppsala universitet/Geofysik

    Författare :Elis Uebel; [2022]
    Nyckelord :RMT radio magnetotellurics matlab GUI;

    Sammanfattning : The radio magnetotellucic (RMT) method originates from (Tikhonov, 1950) and (Cagniard,1953) who discovered the possibility to estimate resistivity in the Earth’s subsurface using naturally occurring telluric currents. This through measuring the surface impedance of electromagnetic waves. LÄS MER