Sökning: "Gunnar Karlsson"

Visar resultat 21 - 25 av 52 avhandlingar innehållade orden Gunnar Karlsson.

  1. 21. Isocyanates - methodology for gas and particle generation, sampling and detection

    Författare :Daniel Gylestam; Marianne Dalene; Gunnar Skarping; Daniel Karlsson; Dhimiter Bello; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Isocyanate; PUR; Dry sampler; PTR-MS; Transfer line; PPE; Environmental Chamber; Respirable Particles; Denuder Impactor; Aerosol; Particles; Impinger; air sampling; LC-MS; di-n-butylamine; DBA; ICA; MIC; HDI; TDI; IPDI; MDI; Occupational Exposure; Exposure; Occupational Health; Analytical Chemistry; analytisk kemi;

    Sammanfattning : Isocyanates are mainly used in the industry for the production of polyurethane (PUR) plastics. Workers are at risk of being exposed during the manufacturing of PUR. During thermal degradation of PUR, isocyanates are released and workers involved in hot work such as fire-fighting, welding etc. may also be exposed. LÄS MER

  3. 22. Model for End of Life Treatment of Polymer Composite Materials

    Författare :Anna Hedlund-Åström; Jan-Gunnar Persson; Conrad Luttropp; Sigbritt Karlsson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; polymer composites; material recycling; energy recovery; environmental effects; recommendations; waste treatment model; Environmental engineering; Miljöteknik;

    Sammanfattning : Because of increasing environmental demands, especially on dealing with products end of life phase, product manufacturers and designers must consider the future disposal of their products. For conventional materials like steel and aluminium well-functioning recycling methods exists. LÄS MER

  4. 23. Opportunistic Content Distribution

    Författare :Ólafur Helgason; Gunnar Karlsson; Mostafa Ammar; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telecommunication; Telekommunikation;

    Sammanfattning : In recent decades, communication networks have had a profound effect on society. Wireless communication has affected our lifestyle and altered how humans communicate and the Internet has revolutionized how we access, publish and disseminate information. LÄS MER

  5. 24. Opportunistic Content Distribution : Feasibility, Design and Performance Evaluation

    Författare :Ólafur Helgason; Gunnar Karlsson; Cecilia Mascolo; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telecommunication; Telekommunikation;

    Sammanfattning : Originally, the main purpose of the wired Internet was to interconnect hosts on different networks in order to allow them to communicate. Although this is still an important service, the Internet has evolved and today its predominant application is to provide its users with access to contents. LÄS MER

  7. 25. Decentralized Modular Router Architectures

    Författare :Markus Hidell; Gunnar Karlsson; Peter Sjödin; Gísli Hjálmtýsson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Internet; Router architectures; Communication systems; Distributed systems; Telecommunication; Telekommunikation;

    Sammanfattning : The Internet grows extremely fast in terms of number of users and traffic volume, as well as in the number of services that must be supported. This development results in new requirements on routers—the main building blocks of the Internet. LÄS MER