Search for dissertations about: "Jan Svensson"

Showing result 1 - 5 of 25 swedish dissertations containing the words Jan Svensson.

  2. 1. On the treatment of acute appendicitis in children

    Author : Jan F Svensson; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Acute appendicitis is a common condition in children and the treatment of this condition is both straightforward and complex at the same time. An appendectomy is the most common acute surgical intervention in children and the vast majority of children make a swift recovery without any complications. READ MORE

  4. 2. Grid-Connected Voltage Source Converter - Control Principles and Wind Energy Applications

    Author : Jan Svensson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wind turbine; voltage source converter; voltage angle control; frequency response; vector current control; grid-connected; forced-commutated; measurements;

    Abstract : The thesis focuses on a forced-commutated voltage source converter (VSC) connected to a grid in a wind energy application. The work consists of four parts. The first part addresses the type of electrical system which should be used in a wind turbine. READ MORE

  5. 3. Power angle control of grid-connected voltage source converter in a wind energy application

    Author : Jan Svensson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; voltage angle control; simulation; wind power; power angle control; Linear Quadric control LQ ; bandwidth; Kalman filter; control; pulse width modulation PWM ; wind energy; voltage source converter VSC ; harmonics;

    Abstract : .... READ MORE

  6. 4. Early stages of essential hypertension in a psychosomatic perspective : epidemiological, clinical psychophysiological and psychological studies of 18-year old men

    Author : Jan Christoffer Svensson; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Abstract : .... READ MORE

  7. 5. On implant integration in irradiated bone : clinical and experimental studies

    Author : Jan Nyberg; Börje Svensson; Christer Dahlin; Carina B. Johansson; Bo Sunzel; Örebro universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; dental implant; osseointegration; radiation therapy; bone remodeling; histomorphometry; hyperbaric oxygen therapy; gene expression and in vivo; Surgery; Kirurgi;

    Abstract : Radiation has an impact on the processes involved in bone- healing, regeneration and remodeling. The mechanisms that cause impaired bone healing of dental implants are not fully understood. Adjunctive treatments to revers radiation effects are limited. READ MORE