Search for dissertations about: "ella"

Showing result 1 - 5 of 24 swedish dissertations containing the word ella.

  1. 1. Mars : plasma environment and surface

    Author : Ella Carlsson; Luleå tekniska universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Fysik; Fysik;

    Abstract : This doctoral thesis treats parts of the solar wind interaction with the Martian atmosphere and the water-related features known as gullies. The composition of the escaping plasma at Mars has been investigated in an analysis of data from the IMA sensor, which is a part of the ASPERA-3 instrument suit onboard the European satellite Mars Express. READ MORE

  2. 2. Mars: environment, surface and exploration ethics

    Author : Ella Carlsson; Luleå tekniska universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Fysik; Fysik;

    Abstract : This licentiate thesis treats the solar wind interaction with the martian atmosphere and the water related features known as gullies, as well as some ethical issues related to the human exploration of Mars. The composition of the escaping plasma at Mars has been investigated in an analysis of data from the IMA sensor, which is part of the ASPERA-3 instrument suit onboard the European satellite Mars Express. READ MORE

  3. 3. Effects of radiolysis on the dynamics of UO2-dissolution

    Author : Ella Ekeroth; KTH; []
    Keywords : UO2; spent nuclear fuel; radiolysis; H2O2; H2; oxidation; dissolution; reduction; rate constants; modeling;

    Abstract : .... READ MORE

  4. 4. Studies of neuropeptides in pancreatic beta cell function with special emphasis on islet amyloid polypeptide (IAPP)

    Author : Ella Karlsson; Uppsala universitet; []
    Keywords : MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cell biology; alpha cell; amylin; beta cell; chromogranin; growth; IAPP; insulin; islet amyloid polypeptide; leptin; NOD mice; pancreastatin; pancreatic islet; proliferation; Cellbiologi; Cell biology; Cellbiologi; medicinsk cellbiologi; Medical Cell Biology;

    Abstract : The presence of protein amyloid in pancreas and its association to diabetes was first described 100 years ago in 1901, but was not identified as Islet Amyloid Polypeptide (IAPP) until 1986. The aim of the present work was to determine the role of the beta cell hormone, IAPP, in normal pancreatic islet physiology and during early disturbances of islet function. READ MORE

  5. 5. A Value Perspective on Information System Security : Exploring IS security objectives, problems and value conflicts

    Author : Ella Kolkowska; Åke Grönlund; Jonathan P. Allen; Örebro universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; information security; values; value conflicts; behaviours; Informatics; Informatik; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Statistics; computer and systems science; Statistik; data- och systemvetenskap; Informatics; computer and systems science; Informatik; data- och systemvetenskap; informatics; informatik;

    Abstract : The inability to understand the social aspects in IS security is pointed out as one of the biggest and most difficult problems in the IS security area. By applying a value perspective on IS security this thesis contributes to increased understanding of social aspects in relation to IS security and peoples’ security behaviours. READ MORE