Sökning: "martin p andersson"
Hittade 5 avhandlingar innehållade orden martin p andersson.
1. Nonmarket Interactions and Density Externalities
Sammanfattning : The four individual papers in this thesis all explore some aspect of the relationship between productivity and the density of economic activity.The first paper (co-authored with Martin Andersson, and Johan Klaesson) establishes the general relationship between regional density and average labor productivity; a relationship that is particularly strong for workers in interactive professions. LÄS MER
2. Ligand-based Methods for Data Management and Modelling
Sammanfattning : Drug discovery is a complicated and expensive process in the billion dollar range. One way of making the drug development process more efficient is better information handling, modelling and visualisation. The majority of todays drugs are small molecules, which interact with drug targets to cause an effect. LÄS MER
3. Asthma in school age : prevalence, incidence and remission in relation to environmental determinants
Sammanfattning : Background In the past half-century, the prevalence of asthma among children and adolescents has risen and asthma has become an important public health challenge in Sweden as well as in many other countries, necessitating further studies on this complex disease and its risk factor pattern. The studies included in this thesis aimed to investigate the clinical expression of childhood asthma over time, to describe the determinants of new-onset and remission of asthma, and to evaluate possible environmental risk factors in northern Sweden. LÄS MER
4. Structure-Magnetic Relationships in the Fe-Mn-P-Si System for Energy Applications
Sammanfattning : Demands for new, energy-efficient appliances have greatly increased in response to our growing need for a more environmentally friendly society. Magnetic refrigeration is a technique that utilizes the magnetocaloric effect, with possible energy savings of up to 30% compared to commercial gas compression refrigerators. LÄS MER
5. Social determinants in asthma : population-based studies on asthma and respiratory symptoms in relation to occupation, occupational exposure and socioeconomic status
Sammanfattning : Background: Asthma is one of the most common chronic obstructive airway diseases among children and adults, with a prevalence between 6-11% in European countries. It is also the most common work-related occupational respiratory disease. LÄS MER