Search for dissertations about: "Gunnar E. Persson"

Found 2 swedish dissertations containing the words Gunnar E. Persson.

2. 1. Epidemiological and clinical aspects of non-acute gallstone disease

   Author : Gunnar E. Persson; Linköpings universitet; []
   Keywords : MEDICINE; MEDICIN;

   Abstract : BACKGROUND Gallstones are common in many countries, but few patients develop severe complications. Fatal complications are rare and affect chiefly the very old. Gallstones may be an aetiological factor for gallbladder cancer, which has a poor prognosis but seldom occurs in young people. The risk of developing gallbladder cancer is small. READ MORE

4. 2. Methods for availability improvements of a scaling machine system

   Author : Andi Rahadiyan Wijaya; Jan-Gunnar Persson; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

   Abstract : Scaling is the process of cleaning loose material from the roof, face and wall of the mine room in underground mining. The purpose of scaling is to make the mine room safe for the next operation. Due to the nature of the task, scaling has been identified as an operation with a high number of accident occurrences. READ MORE