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Greenhouse gas emissions from a constructed wetland in southern Sweden.

This paper investigates the greenhouse gas emissions from a Swedish wetland, constructed to decrease nutrient content in sewage treatment water. To evaluate the effect of the construction in terms of greenhouse gas emissions we carried out ecosystem-atmosphere flux measurements of CO2, CH4 and N2O using a closed chamber technique. To evaluate the importance of vascular plant species composition to

On Structural Identifiability

In this article we introduce a new concept, structural identifiability, which plays a central role in identification problems. The concept is useful when answering questions such as: To what extent is it possible to get insight into the internal structure of a system from input-output measurements? What experiments are necessary in order to determine the internal couplings uniquely? The definition

Patient experienced side effects and adverse events after cancer treatment - Patient initiated research

Background: In the literature radiation of head and neck cancer (HNC) is followed by late side effects for more than a third of the patients. However, nearly all patients seem to experience side effects. The aim was to collect the multitude of these experiences through a patient-developed detailed questionnaire. Methods: 77 of 117 patients responded to a validated questionnaire from the Danish HN