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  1. 1. The impact of visually demanding near work on neck/shoulder discomfort and trapezius muscle activity : Laboratory studies

    Författare :Camilla Zetterberg; Hans O Richter; Mikael Forsman; Malin Josephson; Hanne Mari Schiøtz Thorud; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Accommodation; Asthenopia; Computer work; Eye-neck head stabilization; Muscle activity; Neck pain; Visual Attention; Visual demand; Visual ergonomics; Medicinsk vetenskap; Medical Science;

    Sammanfattning : Introduction: Musculoskeletal discomfort in the neck and shoulders is common among workers performing visually demanding near work, e.g., on a computer screen, and sustained low-level muscle activity during such work can lead to work-related pain. LÄS MER

  3. 2. Multi-unit common value auctions : theory and experiments

    Författare :Joakim Ahlberg; Lars Hultkrantz; Jan-Eric Nilsson; Jerker Holm; Statens väg- och transportforskningsinstitut; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Multi-Unit Auction; Common Value Auction; Laboratory Experiment; Game Theory; Economics; Q Economics; Q Economics; Economics;

    Sammanfattning : Research on auctions that involve more than one identical item for sale was,almost non-existing in the 90’s, but has since then been getting increasing attention. External incentives for this research have come from the US spectrum, sales, the European 3G mobile-phone auctions,  and Internet auctions. LÄS MER

  4. 3. Studies in climate change policy : theory and experiments

    Författare :Björn Carlén; Jason Shogren; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; nationalekonomi;

    Sammanfattning : Emission Quota Trade Among the Few: Laboratory Evidence of Joint Implementation Among Committed Countries. The purpose of the laboratory tests reported here is to identify a well-functioning design, tailored for an upcoming unique experiment using real-world relevant decision makers for carbon emission reductions trade among four countries committed to binding carbon emission limits, a form of so-called joint implementation. LÄS MER

  5. 4. Active Control of Noise in Ventilation Systems : Analysis and Experiments

    Författare :Martin Larsson; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : In many kinds of buildings, the ventilation system constitute a well known source of broadband noise. Traditionally, duct born noise is attenuated using passive resistive silencers which produce a high level of attenuation over a broad frequency range. However, they tend to become large and bulky if designed for low frequency attenuation. LÄS MER

  7. 5. Long-term leaching mechanisms of ashes and slags : combining laboratory experiments with computer simulations

    Författare :Catharina Bäverman; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER