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Visar resultat 1 - 5 av 6 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. GaAs based Vertical-Cavity Surface-Emitting Transistor-Lasers

    Författare :Yu Xiang; Mattias Hammar; Guihem Almuneau; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : The ever-increasing demand for broadband capacity of the global optical communication networks puts enormous requirements on the semiconductor laser used in the optical transmitter. Industrial standard bodies for optical communication project requirements of single-channel data rates as high as 100 Gbit/s around year 2020. LÄS MER

  2. 2. Nonlinear effects in models of convection

    Författare :Xiang-Yu Huang; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER

  3. 3. Intricate Involuted Intertwinings : On Accounting, Technology, and Materiality

    Författare :Yu Xiang; Charlotta Bay; Mikael Holmgren Caicedo; Lise Justesen; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; accounting; management accounting; digitalisation; information technology; enterprise resource planning; platforms; sociomateriality; Business Administration; företagsekonomi;

    Sammanfattning : The Information Age was supposed to be different. It was supposed to transform every aspect of our lives, and accounting was going to be no exception. LÄS MER

  4. 4. Inflammation and cytokine production in experimental neuroinflammatory disorders

    Författare :Xiang-Yu Zheng; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Glutamate excitotoxicity is involved in the pathogenesis of a variety of neurodegenerative disorders, including Alzheimer’s disease (AD), Parkinson’s disease (PD), and multiple sclerosis (MS). Kainic acid (KA), an analogue of excitotoxic glutamate, can elicit selective neuronal death in the brain of rodents, of which the pathological changes partially mimic the neurodegenerative disorders in humans. LÄS MER

  5. 5. Numerical approaches to droplet growth in atmospheric turbulence

    Författare :Xiang-Yu Li; Axel Brandenburg; Gunilla Svensson; Luca Brandt; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; turbulence; coagulation; condensation; rain formation; atmosfärvetenskap och oceanografi; Atmospheric Sciences and Oceanography;

    Sammanfattning : The bottleneck problem of cloud droplet growth is one of the most challenging problems in cloud physics. Cloud droplet growth is neither dominated by con-densation nor gravitational collision in the size range of 15–40 μm in radius. Turbulence-generated collision has been thought to be the mechanism to bridge the size gap, i.e. LÄS MER