Sökning: "David Fischer"

Hittade 2 avhandlingar innehållade orden David Fischer.

  1. 1. Integrating Heat Pumps into Smart Grids

    Detta är en avhandling från KTH Royal Institute of Technology

    Författare :David Fischer; Björn Palm; Georges Laurent; [2017]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energiteknik; Energy Technology;

    Sammanfattning : Transforming our energy system towards 100% renewable energy sources requires radical changes across all energy sectors. Heat pumps as efficient heat generation technology link the electricity and heat sector. From 2010 to 2015 between 750,000 and 800,000 heat pumps have been sold every year across Europe. LÄS MER

  2. 2. Abiotic and biotic methane dynamics in relation to the origin of life

    Detta är en avhandling från Stockholm : Department of Geological Sciences, Stockholm University

    Författare :Nguyen Thanh Duc; David Bastviken; Patrick Crill; Nils Holm; Edward Hornibrook; [2012]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; methane; methanogens; methane formation; methane oxidation; lake sediment; olivine; origin of life; geokemi; Geochemistry;

    Sammanfattning : Methane (CH4) plays an important role in regulating Earth’s climate. Its atmospheric concentrations are related to both biotic and abiotic processes. The biotic one can be formed either by chemoautotrophic or heterotrophic pathways by methanogens. LÄS MER