Search for dissertations about: "Bertil Andersson"
Showing result 1 - 5 of 6 swedish dissertations containing the words Bertil Andersson.
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1. Asthma in school age : prevalence, incidence and remission in relation to environmental determinants
Abstract : 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. READ MORE
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2. Improved breath alcohol analysis with use of carbon dioxide as the tracer gas
Abstract : State-of-the-art breath analysers require a prolonged expiration into a mouthpiece to obtain the accuracy required for evidential testing and screening of the alcohol concentration. This requirement is unsuitable for breath analysers used as alcolock owing to their frequent use and the fact that the majority of users are sober drivers; as well as for breath testing in uncooperative persons. READ MORE
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3. Essays on economic outcomes of immigrants and homosexuals
Abstract : This thesis consists of five essays on the economic outcomes of immigrants and homosexuals on the labour and housing market.Essay I evaluates the effect of an in-work benefit on the labour supply of single immigrant women by means of simulation. READ MORE
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4. Peptidyl-prolyl cis-trans Isomerases in the Chloroplast Thylakoid Lumen
Abstract : The Sun is the ultimate energy source on Earth. Photosynthetic organisms are able to catalyze the conversion of solar energy to chemical energy by a reaction called photosynthesis. In plants, this process occurs inside a green organelle called the chloroplast. READ MORE
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5. The human-computer interface in commercial systems : Investigations of dialogue design factors and usability with alphanumeric display terminals
Abstract : When terminal based computer systems are incorporated in administrative processes, man-computer interface technology for many reasons becomes a crucial problem area. Terminal users ("terminalists") in such systems account for a vast number of terminal hours. READ MORE