Search for dissertations about: "Reference condition"

Showing result 1 - 5 of 145 swedish dissertations containing the words Reference condition.

  2. 1. A paleolimnological perspective on liming – implications for defining reference conditions in Swedish lakes

    Author : Matilda Norberg; Ingemar Renberg; Helen Bennion; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Acidification; Liming; European Water Framework Directive; Reference condition; Diatoms; Paleolimnology; Monitoring; Lake sediments; Earth sciences; Geovetenskap; Earth Sciences with Specialization Environmental Analysis; geovetenskap med inriktning mot miljöanalys;

    Abstract : Using paleolimnological techniques, I have studied surface-water acidification and the effects of liming in Swedish lakes on a decadal to millennial time-scale. The overall objective was to contribute to the discussion on the fulfilment of goals within the Swedish liming program. READ MORE

  4. 2. On Improvement Of Maintenance Function : A Reference Model And Improvement Methodology

    Author : Jerzy Mikler; Bengt Lindberg; Amos Ng; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; maintenance reliability improvement; Production Engineering; Industriell produktion;

    Abstract : In order to produce products and services, companies are using various tangible assets such as production equipment and facilities. The goal of the maintenance function is to maintain these assets so they operate safely, efficiently and economically. READ MORE

  5. 3. Condition Monitoring in Diesel Power Plants with Special Reference to the Supercharging Systems

    Author : Savo Gjirja; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : A recent tendency for research work concerning diesel engine has been concentrated to diagnostic analysis, which intends to detect early adverce influences on engine performance and to conserve the normal conditions of the diesel engine.A diagnostic system is meant to pinpoint the action which should be taken to bring the engine back to standard performance. READ MORE

  6. 4. Unsupervised feature learning applied to condition monitoring

    Author : Sergio Martín del Campo Barraza; Fredrik Sandin; Kjersti Engan; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industriell elektronik; Industrial Electronics;

    Abstract : Improving the reliability and efficiency of rotating machinery are central problems in many application domains, such as energy production and transportation. This requires efficient condition monitoring methods, including analytics needed to predict and detect faults and manage the high volume and velocity of data. READ MORE

  7. 5. Cardiovascular regulation in women with vasovagal syncope : With special reference to the venous system

    Author : Johan Skoog; Toste Länne; Marcus Lindenberger; Helene Zachrisson; Ola Eiken; Linköpings universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Abstract : Although vasovagal syncope (VVS) is a common clinical condition the mechanisms behind VVS remain elusive. Upright posture is the major trigger of VVS and lower limb blood pooling affecting cardiac output has been proposed as a major determinant. The overall aim of this thesis was twofold. READ MORE