Search for dissertations about: "Urban Ekman"

Found 4 swedish dissertations containing the words Urban Ekman.

  2. 1. Functional brain imaging of cognitive status in Parkinson's disease

    Author : Urban Ekman; Johan Eriksson; Lars Nyberg; Lars Forsgren; Oury Monchi; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Parkinson’s disease; functional MRI; Mild cognitive impairment; Working memory; Parkinson’s disease dementia; BOLD;

    Abstract : Parkinson’s disease (PD) is next to Alzheimer’s disease (AD) the second most common neurodegenerative disease. PD has traditionally been characterised as a motor disorder, but more recent research has revealed that cognitive impairments are frequent. READ MORE

  4. 2. Urban water management : Modelling, simulation and control of the activated sludge process

    Author : Mats Ekman; Bengt Carlsson; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Automatic Control; Reglerteknik;

    Abstract : During the last few decades, wastewater treatment processes in urban water management have become more and more efficient and complex. Several factors such as urbanization, stricter legislations on effluent quality, economics, increased knowledge of the involved biological, chemical and physical processes as well as technical achievements have been important incentives for the development of more efficient procedures for wastewater treatment plants. READ MORE

  5. 3. Unwanted wanted sounds : Perception of sounds from water structures in urban soundscapes

    Author : Maria Rådsten Ekman; Mats E Nilsson; Catherine Lavandier; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Perception; psychoacoustics; soundscape; water-sound; psykologi; Psychology;

    Abstract : Water structures, for example, fountains, are common design elements in urban open public spaces. Their popularity is probably explained by their visual attractiveness. Less is known about how the sounds of water struc-tures influence the urban soundscape. READ MORE

  6. 4. Multiple perspectives on absorbing aerosols over the northern Indian Ocean and Asia

    Author : Friederike Höpner; Frida Bender; Annica Ekman; Heike Wex; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; aerosols; black carbon; air pollution; South Asia; atmosfärvetenskap och oceanografi; Atmospheric Sciences and Oceanography;

    Abstract : Aerosol particles in the atmosphere scatter and absorb solar radiation, and thereby affect the Earth's energy budget, but the magnitude of the overall radiative effect due to aerosol-radiation interactions is uncertain. In particular, the impact of absorbing aerosol particles, mainly black carbon (BC), organic carbon and dust, is not completely understood. READ MORE