Search for dissertations about: "Metre"

Showing result 1 - 5 of 23 swedish dissertations containing the word Metre.

  2. 1. Investigating the origin of radio emission in nearby starburst galaxies via high-resolution metre and centimetre observations

    Author : Eskil Varenius; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; galaxies: individual: M 82; galaxies: starburst; galaxies: individual: Arp 220; stars: supernovae; galaxies: individual: NGC 4418; radio continuum: galaxies; techniques: high angular resolution;

    Abstract : Star formation and galaxy evolution are intimately linked together. A detailed understanding of the physics of star formation can help us explain how galaxies evolve into, for example, our present Milky Way. READ MORE

  4. 2. On physical units in multivariate analysis

    Author : Tord Rikte; Matematisk statistik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : comparatively stringent mathematical frame has been developed, where the behaviour of physical dimensions (like ``length'', ``mass'', and ``time'') and physical units (like 1 m [1 metre], 1 kg [1 kilogramme], and 1 s [1 second]) is modelled. Easy-to-apply conditions for additivity and multiplicativity of physcial matrices are presented. READ MORE

  5. 3. Connections for Timber-Framed Structures - Assembly Properties and Structural Behaviour

    Author : Dan Engström; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; frames; nails; connections; structures; interaction; glue; assembly; timber; economy; semi-rigidity; adhesive; joints; splices;

    Abstract : By tradition, the design and development of connections has focused on the optimization of strength and stiffness. The subject of this thesis is the interaction between the assembly and structural properties of connections for timber-framed structures. READ MORE

  6. 4. Studies in Molecular Astrophysics and Astrobiology

    Author : Eva Wirström; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Submillimeter; Radio lines: ISM; Astrobiology; ISM: individual objects: Orion KL; Molecular data; ISM: molecules;

    Abstract : The molecules of the interstellar medium (ISM) can be used as probes of the physical conditions in a range of different types of interstellar environment, for example star forming regions. The first chapters of this thesis describe the theory and the observational techniques used to study the rotational transition emission from, and the present knowledge of, these molecules. READ MORE

  7. 5. Detecting changes in climate and atmospheric composition with tracers in Arctic ice caps

    Author : Margareta Hansson; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Changes in climate and atmospheric composition over decades to a hundred thousand years have been studied by extracting records of various tracers from two Arctic ice cores. A seven metre long ice core of superimposed ice was recovered from the Storöya ice cap in north-eastern Svalbard. READ MORE