Search for dissertations about: "Thomas Johansson"

Showing result 1 - 5 of 24 swedish dissertations containing the words Thomas Johansson.

  1. 1. Applications of laser spectroscopy to analytical chemistry, environmental monitoring and medicine

    Author : Thomas Johansson; Förbränningsmotorer; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; fluorescence; spectroscopic techniques; fluorescence imaging; capillary electrophoresis; acoustic levitation; remote sensing; interstitial photodynamic therapy; multivariate analysis; Laserteknik; Laser technology; tissue optics; medical imaging; Fysicumarkivet A:2002:Johansson;

    Abstract : In this thesis spectroscopic techniques have been used in the fields of analytical chemistry, environmental and medical applications. In analytical chemistry, laser induced fluorescence was used to image the separation of substances during capillary electrophoresis. READ MORE

  2. 2. Contributions to unconditionally secure authentication

    Author : Thomas Johansson; Institutionen för elektro- och informationsteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : This thesis concerns unconditionally secure authentication, i.e., providing protection against an enemy who is assumed to have unlimited computing power. The field is divided into two areas, conventional authentication and authentication for non-trusting parties. READ MORE

  3. 3. Image Analysis Algorithms on General Purpose Parallel Architectures

    Author : Thomas Johansson; Ewert Bengtsson; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Computerized Image Analysis; Datoriserad bildanalys;

    Abstract : .... READ MORE

  4. 4. Turbocharged HCCI Engine, Improving Efficiency and Operating Range

    Author : Thomas Johansson; Förbränningsmotorer; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; HCCI; NVO; turbo; direct injection; combustion; CAI; low temperature; simulation; engine;

    Abstract : Increasing fuel prices and environmental concern drives the research and development for the internal combustion engine. Homogeneous Charge Compression Ignition (HCCI) is a promising combustion concept with high fuel efficiency and low emissions. READ MORE

  5. 5. Multi-element trace analysis by proton induced X-ray emission

    Author : Thomas B Johansson; Internationella miljöinstitutet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Fysicumarkivet A:000;

    Abstract : [abstract missing].... READ MORE