Sökning: "per olof larsson"

Visar resultat 6 - 10 av 15 avhandlingar innehållade orden per olof larsson.

1. 6. The Swedish Soldier and General Mental Health Following Service in Peacekeeping Operations

   Författare :Per-Olof Michel; Tom Lundin; Gerry Larsson; Lars Weisaeth; Uppsala universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Psychiatry; Mental health; military; peacekeeping; personality disorders; suicide.; Psykiatri; Psychiatry; Psykiatri;

   Sammanfattning : The Scandinavian countries have a long tradition of taking part in peacekeeping missions and also of research in this field. The aim of this thesis is to continue the tradition of research and try to shed some more light on the mental health aspects of peacekeeping operations. Two methods were used to accomplish this. LÄS MER

3. 7. Anadromous Pike in the Baltic Sea

   Författare :Olof Engstedt; Per Larsson; Henrik Svedäng; Linnéuniversitetet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Marine ecology; Marin ekologi; Natural Science; Naturvetenskap;

   Sammanfattning : The pike (Esox lucius) is a major predator and top-down regulator in the Baltic Sea where it exists in two sympatric forms. One spawn in streams and rivers and the other one spawn in the sea. During the last decades, the habitats for both of these forms have developed in a negative way. LÄS MER

4. 8. Optical spectroscopy of InGaAs quantum dots

   Författare :Arvid Larsson; Per Olof Holtz; Artur Zrenner; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; quantum dot; semiconductor; optical properties; spin; transport; wetting layer; polarization; kvantprick; halvledare; optiska egenskaper; spin; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik; Materials science; Teknisk materialvetenskap; Condensed matter physics; Kondenserade materiens fysik; Semiconductor physics; Halvledarfysik;

   Sammanfattning : The work presented in this thesis deals with optical studies of semiconductor quantum dots (QDs) in the InGaAs material system. It is shown that for self-assembled InAs QDs, the interaction with the surrounding GaAs barrier and the InAs wetting layer (WL) in particular, has a very large impact on their optical properties. LÄS MER

5. 9. Optimization of track geometry maintenance : a study of track geometry degradation to specify optimal inspection intervals

   Författare :Iman Arasteh khouy; Per-Olof Larsson-Kråik; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

   Sammanfattning : Railway infrastructure is a complex system which comprises different subsystems. Long useful life span is one of the important aspects of this prime mode of transport. The useful life length of its assets is highly dependent on the maintenance and renewal strategy used during its life cycle. LÄS MER

7. 10. The need of condition monitoring to support simulations when predicting system availability of Functional Products

   Författare :Björn Backe; Per-Olof Larsson-Kråik; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Datorstödd maskinkonstruktion; Computer Aided Design;

   Sammanfattning : Today, competition among product manufacturers has increased and many facebeing copied and thus losing their uniqueness. To differentiate on the market,new businesses, which extend the manufacturer’s responsibility throughsupporting and guaranteeing product performance, thus offering more value-creating activities, have received increasing interest. LÄS MER