Sökning: "stefan ek"

Hittade 3 avhandlingar innehållade orden stefan ek.

  1. 1. Nitro compounds for use in explosive charges

    Författare :Stefan Ek; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : This first part of this thesis describes synthesis of and characterisation of energetic plasticisers. The general concepts and requirements of energetic plasticisers are introduced. The remainder of this part further describes the work published in three publications. LÄS MER

  3. 2. Development of Non-leaching Antibacterial Approaches on Cellulose-based Substrates and Their Mechanisms

    Författare :Chao Chen; Monica Ek; Josefin Illergård; Stefan Spirk; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Layer-by-layer; antibacterial; cellulose materials; Chemical Engineering; Kemiteknik;

    Sammanfattning : The layer-by-layer (LbL) technique is becoming a powerful tool that has been applied in many surface coatings and functionalizations in recent years. It has many advantages including a fast and mild process, the flexibility of choice of substrate, and the easiness to scale-up. LÄS MER

  4. 3. Workers and Occupations in a Changing Labour Market : The Heterogeneous Effects of Mass Layoffs and Social Safety Nets

    Författare :Yaroslav Yakymovych; Stefan Eriksson; Adrian Adermon; Georg Graetz; Michael Lechner; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Structural change; Mass layoffs; Sickness absence; Causal forest; Economics; Nationalekonomi;

    Sammanfattning : Essay I: Sickness insurance guarantees employees the right to take leave from work when they are sick, but is vulnerable to excessive use. This paper studies which workers react to changes in monitoring by physicians in a large-scale randomised experiment. LÄS MER