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Visar resultat 1 - 5 av 33 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. On the Performance of Long-Range Autonomous Underwater Vehicles : Enhancing the Endurance of AUVs

    Författare :Clemens Deutsch; Jakob Kuttenkeuler; Roger Berg; Martin Ludvigsen; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Autonomous underwater vehicles; Underwater gliders; Propulsion; Fuel cell; Energy management strategies; Autonom undervattensfarkost; Undervattensglidning; Propulsion; Bränslecell; Energy Management Strategies; Vehicle and Maritime Engineering; Farkostteknik;

    Sammanfattning : Autonomous underwater vehicles (AUVs) are robotic platforms that are commonly used to gather environmental data, provide bathymetric images, and perform manipulation tasks. These robots are used not only for scientific, but also for industrial and military purposes. LÄS MER

  2. 2. Global trade, food production and ecosystem support : Making the interactions visible

    Författare :Lisa Deutsch; Carl Folke; Karin Limburg; Max Troell; David Waltner-Toews; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; global trade; food production; ecosystem support; resilience; agriculture; ecosystem performance; food consumption; ecological footprint; indicators; aquaculture; agricultural intensification; fishmeal; vulnerability; Sweden; animal feed; critical natural capital; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

    Sammanfattning : Modern food production is a complex, globalized system in which what we eat and how it is produced are increasingly disconnected. This thesis examines some of the ways in which global trade has changed the mix of inputs to food and feed, and how this affects food security and our perceptions of sustainability. LÄS MER

  3. 3. New perspectives on cognitive dissonance theory

    Författare :Sebastian Cancino Montecinos; Torun Lindholm; Fredrik Björklund; Roland Deutsch; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Cognitive dissonance theory; Attitude change; Dissonance reduction; Emotion regulation; Mental representations; Psychology; psykologi;

    Sammanfattning : Cognitive consistency is generally considered a fundamental aspect of the human mind, and cognitive dissonance theory is the most famous and studies theory within this framework. Dissonance theory holds that when related cognitions are in conflict (e.g. when behaving counter to one’s attitudes), people will experience negative affect. LÄS MER

  4. 4. Attraction Based Models of Collective Motion

    Författare :Daniel Strömbom; David J. T. Sumpter; Andreas Deutsch; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; flocking; swarming; self-propelled particles; alignment-free models; agent-based modelling; leaf-cutting ant traffic; sheep-sheepdog system; the Shepherding problem; Mathematics with specialization in Applied Mathematics; Matematik med inriktning mot tillämpad matematik;

    Sammanfattning : Animal groups often exhibit highly coordinated collective motion in a variety of situations. For example, bird flocks, schools of fish, a flock of sheep being herded by a dog and highly efficient traffic on an ant trail. LÄS MER

  5. 5. Die ,schwedische‘ Lösung : Eine kultursemiotisch orientierte Untersuchung der audiovisuellen Werbespots von IKEA in Deutschland

    Författare :Jennie Mazur; Bo Andersson; Göran Sonesson; Bernd Henningsen; Uppsala universitet; []
    Nyckelord :Interkulturalität; interkulturelle Kommunikation; IKEA; Deutsch; Kultursemiotik; Werbekommunikation; audiovisuelle Werbespots; Schwedenbilder; Identität; Interkulturalität; interkulturelle Kommunikation; IKEA; Deutsch; Kultursemiotik; Werbekommunikation; audiovisuelle Werbespots; Schwedenbilder; Identität; interkulturell kommunikation; kultursemiotik; tyska; IKEA; reklamfilm; reklamspråk; kultur; sverigebilder; identiteter; Tyska; German;

    Sammanfattning : The Swedish furniture company IKEA is famous worldwide for its successful advertising and communication strategies. In the years 1997–2007, the company attained a very prominent status in Germany through audiovisual advertisements in the mass media of television and the Internet, including YouTube. LÄS MER