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The overarching objective of the studies in this thesis is to solve issues associated with the current district heating development in order to improve the efficiency, and thus the environmental performance, of district heating systems. More specifically, the aim is to solve issues related to prosumers and bottlenecks in district heating networks. Prosumers are consumers who also produce district
The contribution of this licentiate thesis lies in the modelling of a multi-echelon inventory system with more general backorder cost structures. Backorder costs are traditionally assumed to be linear, whereas we consider structures that are more general functions of the customers’ time in backorder. The system studied is a two-echelon system with one central warehouse and a number of local sites,
Popular Abstract in Swedish Populärvetenskaplig sammanfattning Antikroppar, även kallade immunoglobuliner, är proteiner som utgör en viktig del i vårt försvar mot infektioner genom att de kan binda och neutralisera ämnen som uppfattas som främmande, t ex bakterier, virus eller produkter som produceras av dessa organismer. Antikropparna består av en antigen-bindande variabel del som binder till deMany bacteria express immunoglobulin(Ig)-binding proteins that interact with Ig in a non-immune manner. Several of these Ig-binding bacterial proteins have been well characterized and are widely used as reagents for analysis and purification of Ig's. Protein G found on group C and G streptococci has affinity for constant regions of IgG heavy chains, whereas protein L found on Peptostreptococcus ma
