Sökning: "no naturvetenskap praktisk"

Hittade 5 avhandlingar innehållade orden no naturvetenskap praktisk.

  1. 1. Breaking the Unbreakable : Exploiting Loopholes in Bell’s Theorem to Hack Quantum Cryptography

    Författare :Jonathan Jogenfors; Jan-Åke Larsson; Fredrik Karlsson; Marek Żukowski; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : In this thesis we study device-independent quantum key distribution based on energy-time entanglement. This is a method for cryptography that promises not only perfect secrecy, but also to be a practical method for quantum key distribution thanks to the reduced complexity when compared to other quantum key distribution protocols. LÄS MER

  3. 2. Sharing the doughnut : Exploring sustainable and just futures

    Författare :Eléonore Fauré; Ulrika Gunnarsson-Östling; Göran Finnveden; Frances Fahy; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Sustainability goals; goal conflicts; trade-offs; environmental justice; futures studies; backcasting; future scenarios; climate and energy targets; sustainability assessments; Objectifs de durabilité; Conflit d objectifs de durabilité; justice environnementale; prospective; backcasting; évaluation d impacts de durabilité; Hållbarhetsmål; målkonflikter; miljörättvisa; framtidsstudier; backcasting; framtidsscenarier; klimat och energimål; hållbarhetsutvärderingar; Planering och beslutsanalys; Planning and Decision Analysis;

    Sammanfattning : Despite decades of international discussions or summits on the need to radically reduce e.g. increasing concentrations of greenhouse gases (GHGs) or biodiversity loss, these are still rising. LÄS MER

  4. 3. The Bentonite Barrier - Swelling Properties, Redox Chemistry and Mineral Evolution

    Författare :Daniel Svensson; Centrum för analys och syntes; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; montmorillonite; bentonite; smectite; freezing; thawing; hydration; intercalation; four-water-layer; ethylene glycol; X-ray diffraction; time-resolved; spatial-resolution; XANES; Fe; redox; iron; ABM; TBT; Äspö;

    Sammanfattning : Bentonite is planned for use as a buffer material in high-level radioactive waste repositories, where safety assessment is performed for very long periods (100-1000 ka). This thesis focuses on the swelling of smectites in liquid water, and analysis of bentonite from field experiments at Äspö Hard Rock Laboratory, Sweden. LÄS MER

  5. 4. Modeling Width in Spatial Optimization in Raster Space

    Författare :Lindsi Seegmiller; Takeshi Shirabe; Lars Harrie; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; raster-based geographic information system; spatial optimization; region selection; width; optimal routing; raster data modeling; distortion; corridor; rasterbaserat geografiskt informationssystem; rumslig optimering; regionval; bredd; optimal routing; rasterdatamodellering; distorsion; korridor; Geoinformatik; Geoinformatics;

    Sammanfattning : Given a grid of cells, each of which is assigned a numerical value quantifying its utility (or cost) for a certain use, a popular type of problem in geographic information science is raster-based spatial optimization. Such problems commonly seek to find a set of cells that maximizes (or minimizes) that utility (or cost) while adhering to a given set of constraints. LÄS MER

  7. 5. Sustainable Development: Implementation in Urban Water Systems

    Författare :Ali Bagheri; Avdelningen för Teknisk vattenresurslära; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Miljöteknik; pollution control; Environmental technology; Naturvetenskap; Natural science; Water resources systems; Viability loops; Urban water system; System dynamics; Sustainable development; Strategy; Social learning; Process; Principles; Indicators; Planning; Monitoring; kontroll av utsläpp;

    Sammanfattning : As Sustainable development, a widely used but poorly understood term, challenges traditional scientific values such as prediction and control, scientists have tried to manipulate the concept to promote their own particular agendas. Thus, it has suffered from misrepresentation which has prevented the concept from being fully implemented at a practical level. LÄS MER