Sökning: "ögren"

Visar resultat 11 - 15 av 37 avhandlingar innehållade ordet ögren.

  1. 11. Improving the efficiency of entrained flow gasifiers by real time in-situ diagnostics and burner design

    Författare :Yngve Ögren; Henrik Wiinikka; Alexey Sepman; Kevin Whitty; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energiteknik; Energy Engineering;

    Sammanfattning : .... LÄS MER

  3. 12. Beam Diagnostics and Dynamics in Nonlinear Fields

    Författare :Jim Ögren; Roger Ruber; Volker Ziemann; Klaus Leifer; Stephen Peggs; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Beam diagnostics; Nonlinear beam dynamics; Accelerator physics;

    Sammanfattning : Particle accelerators are indispensable tools for probing matter at the smallest scales and the improvements of such tools depend on the progress and understanding of accelerator physics. The Compact Linear Collider (CLIC) is a proposed, linear electron–­positron collider on the TeV-scale, based at CERN. LÄS MER

  4. 13. Noise radiation from drill steels : and other experimental investigations in acoustics and fluid mechanics

    Författare :Jan-Erik Ögren; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Strömningslära; Fluid Mechanics;

    Sammanfattning : Drill rod noise has become a major noise source in percussive drilling. Generation of flexural waves, which seem to be responsible for most of the noise, is studied in a model with dynamic photoelasticity and in the real drill rod with strain gauge technique. LÄS MER

  5. 14. Serious hemorrhage and secondary prevention after stroke and TIA

    Författare :Joachim Ögren; Thomas Mooe; Nikolai Stenfors; Christina Sjöstrand; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Stroke; transient ischemic attack; intracerebral hemorrhage; intracranial hemorrhage; serious haemorrhage; secondary prevention; modifiable risk factors; randomized controlled trial; cardiovascular disease; hjärt- och kärlforskning; invärtesmedicin; Internal Medicine; Neurology; neurologi;

    Sammanfattning : Background: The number of stroke survivors is growing worldwide, and these patients have an increased risk of new vascular events and death. This risk decreases with secondary treatment medications recommended in guidelines. LÄS MER

  7. 15. Psychosurgery in Sweden 1944 - 1958 : the practice, the professional and media discourse

    Författare :Kenneth Ögren; Marie Åsberg; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; lobotomy; Sweden; schizophrenia; mortality; gender; behaviour; implementation; media; discourse; profession; neurosurgeon; psychiatrist; medical superintendent; Psychiatry; psykiatri;

    Sammanfattning : Background. The pioneering early experiments of prefrontal lobotomy were performed in 1944 by neurosurgeons in Stockholm in collaboration with psychiatrists. There was a rapid implementation of the new surgical approach. In 1946 and 1947 the two state mental hospitals, Umedalen and Sidsjön, introduced prefrontal lobotomy on a large scale. LÄS MER