Sökning: "Daniel Hellström"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden Daniel Hellström.

  1. 1. An investigation of components in wastewater nutrients management : natural sludge dewatering and storage of urine

    Författare :Daniel Hellström; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering;

    Sammanfattning : .... LÄS MER

  3. 2. Exploring the potential of using radio frequency identification technology in retail supply chains - A Packaging Logistics perspective

    Författare :Daniel Hellström; Förpackningslogistik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Packaging; Retail; Radio Frequency Identification; Logistics;

    Sammanfattning : In recent years RFID technology has attracted interest from the retail industry where it is being presented as a possible key to creating more efficient and effective retail supply chains. If RFID technology is to be implemented in packaging throughout retail supply chains, there is a need to develop an understanding of how and why the technology affects activities and processes within retail supply chains. LÄS MER

  4. 3. Nutrient management in sewerage systems : investigations of components and exergy analysis

    Författare :Daniel Hellström; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering;

    Sammanfattning : The aim of this thesis is to present results from different experiments dealing with components that may be useful to improve nutrient management within sewerage systems. Further, exergy analysis is used to compare the utilisation of physical resources within different alternatives for sewerage nutrient management. LÄS MER

  5. 4. On interactions between Packaging and Logistics - Exploring implications of technological developments

    Författare :Daniel Hellström; Förpackningslogistik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknik; Supply Chain; Case study; Simulation; Radio Frequency Identification; Technological sciences; Retail; Packaging; Logistics;

    Sammanfattning : Packaging is a fundamental element in logistics systems. Packaging not only affects every logistical activity; it is also recognised as having a significant impact on logistics costs and performance. LÄS MER

  7. 5. Chemistry and Physics of Cu and H2O on ZnO Surfaces : Electron Transfer, Surface Triangles, and Theory

    Författare :Matti Hellström; Kersti Hermansson; Peter Broqvist; Daniel Spångbeg; Jörg Behler; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; catalysis; density functional theory; SCC-DFTB; band-filling correction;

    Sammanfattning : This thesis discusses the chemistry and physics of Cu and H2O on ZnO surfaces, based primarily on results from quantum chemical calculations. The underlying context is heterogeneous catalysis, where Cu/ZnO-mixtures are used in the industrial synthesis of methanol and in the water gas shift reaction. LÄS MER