Search for dissertations about: "space pollution"

Showing result 1 - 5 of 50 swedish dissertations containing the words space pollution.

  2. 1. Pollution problems in reciprocal space : on some sources of error in crystal structure investigations

    Author : Stig Åsbrink; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : .... READ MORE

  4. 2. Air pollution in Nairobi slums : sources, levels and lay perceptions

    Author : Kanyiva Muindi; Nawi Ng; Joacim Rocklöv; Elizabeth Kimani-Murage; Marie Thynell; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Air pollution; perceptions; slums; health impacts; Nairobi; Epidemiology; epidemiologi; folkhälsa; Public health;

    Abstract : BackgroundAir quality in Africa has remained a relatively under-researched field. Most of the African population is dependent on biomass for cooking and heating, with most of the combustion happening in low efficiency stoves in unvented kitchens. READ MORE

  5. 3. Virtual Mobility and Pollution Prevention - The Emerging Role of ICT Based Communication in Organisations and its Impact on Travel

    Author : Peter Arnfalk; Internationella miljöinstitutet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; pollution control; Environmental technology; travel reduction; pollution prevention; telework; web-meetings; audioconferencing; videoconferencing; virtual mobility; virtual communication; IT; IKT; ICT; Miljöteknik; kontroll av utsläpp; Informatics; systems theory; Informatik; systemteori; Telecommunication engineering; Telekommunikationsteknik;

    Abstract : Information and Communication Technologies change the way we work and communicate, enabling us to telework and to have virtual meetings - collaborating without a physical meeting. This can influence the need for commuting and business travel by provision of access to an activity without mobility - virtual mobility. READ MORE

  6. 4. Mathematical Modelling in Catalytic Automotive Pollution Control

    Author : Lennart Andersson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; automotive pollution control; matematical modelling; monolith; selective catalytic reduction; mass transfer;

    Abstract : Design and control of honeycomb monolith reactors for catalytic automotive pollution control by mathematical modelling of the reactor has been studied. One aspect of the design has been that the use of metallic monolithic catalysts for automotive emission control raises certain optimization possibilities. READ MORE

  7. 5. Dynamics of water pollution control : A regional evaluation

    Author : Marianne Löwgren; Linköpings universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; INTERDISCIPLINARY RESEARCH AREAS; TVÄRVETENSKAPLIGA FORSKNINGSOMRÅDEN;

    Abstract : The 1970's saw a strong governmental backing of measures taken to improve surface water quality by reducing point-source emissions in Sweden. The aim of this thesis primarily was to evaluate the cost effectiveness of governmental strategies implemented to improve surface water quality and to study the relationship between policies adopted and current knowledge about different sources of pollution. READ MORE