Search for dissertations about: "e jacob"
Showing result 1 - 5 of 35 swedish dissertations containing the words e jacob.
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1. Sources, emissions, and occurrence of chlorinated paraffins in Stockholm, Sweden
Abstract : Chlorinated paraffins (CPs) are ubiquitous environmental contaminants. They fulfill all of the criteria (persistent, toxic, and subject to long-range transport) for persistent organic pollutants (POPs) according to the United Nations Economic Commission for Europe (UNECE). READ MORE
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2. Electronic Mail and its Possible Negative Aspects in Organizational Contexts
Abstract : Electronic mail has become the medium of choice in most organizations because of some of its special features. E-mail, like all computer-mediated communication, changes the way we interact and has therefore an impact on working conditions, sometimes in a negative direction. READ MORE
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3. Prognostic factors in periampullary adenocarcinoma. A retrospective study over an 11 year period
Abstract : Periampullary adenocarcinoma, including pancreatic cancer, has a poor prognosis that has not improved in the last decades. Therefore, in order to find more effective treatment regimens, it is necessary to gain more insight into the biology and clinical behaviour of these tumours. READ MORE
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4. Malthusian Progress
Abstract : Some scholars maintain that pre-industrial England was held in a Malthusian ‘trap’, and that this trap prevented the sustained growth of real wages until as late as 1800. Opponents to this view argue that the structural transformations occurring in preindustrial England – urbanization, labour reallocation between sectors, and human capital investments – are features of development that are incompatible with the idea of Malthusian stagnation. READ MORE
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5. Evolving ecological communities in changing environments
Abstract : This thesis consists of theoretical studies of the evolutionary consequences of environmental change in ecological communities. Paper I and II are concerned with the origin of diversity, i.e. how a single lineage can split into two, under the influence of selection induced by competitive interactions (evolutionary branching). READ MORE