Sökning: "Björn Sandén"

Hittade 4 avhandlingar innehållade orden Björn Sandén.

  1. 1. Developmentof an immunosensor for enumeration of Nitrobacter

    Författare :Björn Sandén; KTH; []
    Nyckelord :;

    Sammanfattning : Eutrophication is a result of increasing discharges ofnutrients and is the main cause of the deterioration of theaquatic ecosystems. Major sources of nitrogen in coastal watersare wastewater treatment plants. LÄS MER

  3. 2. Lumbar spinal stenosis : Body mass index and the patient's perspective

    Författare :Björn Knutsson; Karl Michaëlsson; Bengt Sandén; Göran Sjödén; Paul Gerdhem; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Antonovsky; back pain; BMI; body mass index; Bygghalsan; cohort study; coping; EQ-5D; excess weight; leg pain; LSS; lumbar spinal stenosis; obesity; ODI Oswestry disability index; overweight; patient-centered; patient-physician relationship; patient-perspective; patient-related-outcome-measure; PROMs; qualitative study; spinal stenosis; salutogenesis; salutogenic; sciatica; spine surgery; suffering; Swedish spine register; Swespine; VAS; weight loss; weight change; Orthopaedics; Ortopedi;

    Sammanfattning : During recent decades, lumbar spinal stenosis (LSS) has become the most common indication for spine surgery, a change that coincides with a higher worldwide prevalence of overweight and obesity. Thus, surgical treatment of LSS in the overweight and obese population is common and increasing in scope. LÄS MER

  4. 3. Global energy transitions : Renewable energy technology and non-renewable resources

    Författare :Simon Davidsson; Mikael Höök; Kjell Aleklett; Björn Sandén; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; energy transitions; natural resources; renewable energy; sustainable development; growth curves; Natural Resources and Sustainable Development; Naturresurser och hållbar utveckling;

    Sammanfattning : The global energy system is dominated by the use of fossil fuels. This system suffers from several problems, such as different environmental issues, while the long-term energy security is sometimes questioned. LÄS MER

  5. 4. Environmental Assessment and Strategic Technology Choice : The Case of Renewable Transport Fuels

    Författare :Karl Hillman; Björn Sandén; Ken Green; Göteborg Chalmers Tekniska Högskola Miljösystemanalys Institutionen för energi och miljö; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; environmental assessment; life cycle assessment LCA ; socio-technical change; strategic technology choice; renewable fuels;

    Sammanfattning : The scale of the required changes is huge, and time is limited if we are to avoid the most severe effects of climate change. To reduce greenhouse gas emissions from road transport, several fuels and electricity originating from renewable energy sources have been proposed, all of them in different stages of development and with various and shifting environmental impacts. LÄS MER