Search for dissertations about: "Concept"

Showing result 11 - 15 of 4881 swedish dissertations containing the word Concept.

  1. 11. Preservice teachers' view on the concept of function : a study including the utilization of concept maps

    Author : Örjan Hansson; Luleå tekniska universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Mathematics Education; Matematik och lärande;

    Abstract : The thesis consists of an overview of the subject, where in particular three papers are put into a frame. The overview part consists of: an introduction, a short description of some related research and theoretical framework, a summary of papers I-III and the concluding discussion. READ MORE

  2. 12. The Health Dialogue concept : School children's Self-Reported-Health in a Swedish Context

    Author : Malin Rising Holmström; Kenneth Asplund; Lisbeth Kristiansen; Niclas Olofsson; Ina Borup; Mittuniversitetet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Health promotion; health dialogue; longitudinal design; school nurses; schoolchildren; self-reported-health.; Hälsofrämjande arbete; Hälsosamtal; longitudinell design; självrapporterad hälsa; skolbarn; skolsköterskor.;

    Abstract : The overall aim of this thesis was to explore and describe schoolchildren's selfreported-health based on the Health Dialogue concept as well as to identify healthindicators and their possible associations in the perspective of 6 to 16 year-olds,and to provide an analysis of school nurses´ experiences of using the HealthDialogue concept, in the County of Västernorrland. The thesis was based on fourstudies (I-IV). READ MORE

  3. 13. Energy Management in Large scale Solar Buildings : The Closed Greenhouse Concept

    Author : Amir Vadiee; Viktoria Martin; Philip Griffiths; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Thermal Energy Storage; Energy Saving; Thermoeconomic Assessment; Energy Management Scenario; Micro Climate Control; Solar Building; Closed Greenhouse; SRA - Energy; SRA - Energi;

    Abstract : Sustainability has been at the centre of global attention for decades. One of the most challenging areas toward sustainability is the agricultural sector. Here, the commercial greenhouse is one of the most effective cultivation methods with a yield per cultivated area up to 10 times higher than for open land farming. READ MORE

  4. 14. Production assurance : concept, implementation and improvement

    Author : Javad Barabady; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

    Abstract : The dynamic business environment is characterized by short-term and long- term uncertainties in the business processes, combined with a short-term focus on meeting customers' and share-holders' requirements. Therefore, making correct decisions in a dynamic business environ-ment is a major challenge for production plant engineers and managers all over the world. READ MORE

  5. 15. Saving Energy in Construction Machinery using Displacement Control Hydraulics : Concept Realization and Validation

    Author : Kim Heybroek; Jan-Ove Palmberg; Jochen Pohl; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fluid mechanics; Strömningsmekanik;

    Abstract : In the sector of mobile hydraulics, valve controlled systems are predominant. In these systems the load force and speed are adjusted by control valves. In machines where multiple drives are used in parallel at extremely varying loads the energy efficiency of such systems is often compromised over large working regions. READ MORE