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Recently, to reach zero emission levels, some new energy systems based on fuel cells have been developed. This paper presents a review of investigations of these systems by thermodynamics performance, mainly, energy and exergy analysis. With energy analysis, the performance of an energy conversion system cannot be effectively and accurately evaluated. But exergy analysis complements and reinforces
23 oktober 2026 13:00 | Halvtidskontroll Title: Outcomes in patients on long-term oxygen therapyMain supervisor: Magnus Ekström (Lund University)Reviewers: Thomas Ringbaek (University of Copenhagen), David Erlinge (Lund University), Adriana Hiller (Lund University)AbstractBackgroundLong-term oxygen therapy (LTOT) is an established treatment form used to prolong life in patients with severe hypoxem
https://www.intramed.lu.se/evenemang/filip-bjorklund-institutionen-kliniska-vetenskaper-lund - 2026-07-04
It has repeatedly been shown that consumers consider the higher price of organic produce to be a barrier to buying organic food products. The present paper therefore asks whether organic consumption affects consumers’ actual total food expenditures. Food purchase data for a panel of Danish households during 2006–2014 were used to compare the total food expenditures of different organic household s
The purpose of this thesis is to analyse how the European Union constructs and articulates peace within its official discourse in relation to the conflict between Russia and Ukraine in 2014, 2021 and 2025. The European Union has long presented peace as a central part of its political identity, values and external role. However, political actors, such as the European Union, frequently invoke peace
One of the most important trends in contemporary tourism is the increase in urban tourism, both in absolute and in relative terms. An increasing number of cities have become significant tourism destinations. Cities also attract an increasingly diverse set of visitors, some of which could be called alternative tourists. The development of alternative tourism is related to decreasing relative costs One of the most important trends in contemporary tourism is the increase in urban tourism, both in absolute and in relative terms. An increasing number of cities have become significant tourism destinations. Cities also attract an increasingly diverse set of visitors, some of which could be called alternative tourists. The development of alternative tourism is related to decreasing relative costs
