Search for dissertations about: "2003"

Showing result 1 - 5 of 3406 swedish dissertations containing the word 2003.

  2. 1. Information on recreation and tourism in spatial planning in the Swedish mountains : methods and need for knowledge

    Author : Tuomas Vuorio; Mittuniversitetet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Spatial Planning; Outdoor Recreation; Nature Tourism; Visitor Monitoring; Human geography; economic geography;

    Abstract : The Swedish mountain region makes up about one third of the country but includes less than 2 per cent of the population. It stretches for over 1000 km and includes 90 per cent of the total nature conservation area in Sweden. READ MORE

  4. 2. Numerical and experimental study of performance of a hydraulic motor

    Author : Leon Dahlén; Mittuniversitetet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hydraulic fluid; hydrostatic transmission; hydraulic motor; Engineering mechanics; Teknisk mekanik; Maskinelement;

    Abstract : The aim of this study was to develop an understanding of the fluid properties that influence the efficiency of hydraulic systems in a steady-state, especially components in hydrostatic transmission systems under different running conditions. The aim has also been to investigate and model the sources of losses in hydraulic machines, in order to estimate the losses, taking fluid properties into account. READ MORE

  5. 3. Internet grocery shopping : a necessity, a pleasurable adventure, or an act of love? : a longitudinal study 1998-2003 of 23 Swedish households

    Author : Maria Frostling-Henningsson; Karin E Ekström; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Internet; grocery shopping; longitudinal; consumers; in-depth interviews; Business studies; Företagsekonomi; Business Administration; företagsekonomi;

    Abstract :   Shopping for groceries on the Internet has been an alternative for Swedish consumers since 1996. Despite a huge interest in this behavior from consumers, retailers and the media, Internet grocery shopping has not diffused among the Swedish consumers. Many of the Internet grocery distributors have shut down their business. READ MORE

  6. 4. Managing the introduction of reliability-centred maintenance, RCM : RCM as a method of working within hydropower organisations

    Author : Fredrik Backlund; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Kvalitetsteknik; Quality Technology and Management;

    Abstract : Due to a competitive environment, many companies are required to reduce their overall costs while maintaining the value and reliability of their assets. The use of Reliability-Centred Maintenance, RCM, can support organisations to develop an effective and efficient maintenance programme, meeting these requirements in a cost-effective manner. READ MORE

  7. 5. Sulphide oxidation and geochemical processes in mine tailings

    Author : Lena Alakangas; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Applied Geology; Tillämpad geologi;

    Abstract : The generation of acid mine drainage (AMD) from oxidation of sulphide- bearing waste is a world wide problem, due to low pH levels and the release of metals to recipients. It is therefore important to understand the fundamental geochemical processes occurring in mine waste. READ MORE