Sökning: "john källström"

Hittade 2 avhandlingar innehållade orden john källström.

1. 1. Mobility in Science

   Författare :John Källström; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics of science; Mobility; Scientists; Scientific productivity; Migration;

   Sammanfattning : The thesis consists of three independent chapters. The chapters are all empirical studies of scientists and the role that different types of mobility play in shaping researchers' scientific output and careers. LÄS MER

3. 2. Data Driven Condition Monitoring for Transmission and Axles

   Författare :Elisabeth Källström; John Lindström; Magnus Karlberg; Jiri Tuma; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Datorstödd maskinkonstruktion; Computer Aided Design;

   Sammanfattning : As the requirements to improve up-time and thus to reduce costly down-time con-tinuously increases, the construction equipment business focuses on more and newways to increase ability and sensitivity of early fault detection of critical compo-nents and parts in order to prevent failure. Failure of critical components in theheavy duty machine may lead to unnecessary stops and expensive downtime. LÄS MER