Sökning: "particles"

Visar resultat 21 - 25 av 2851 avhandlingar innehållade ordet particles.

  1. 21. Filtration of soft particles

    Författare :Botond Csontos; Andreas Cronhjort; Hanna Bernemyr; Jim Barker; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine Design; Maskinkonstruktion;

    Sammanfattning : The transportation industry relies heavily on fossil fuels, a dependency that isnot sustainable for the future. The easiest way to change this dynamics is to userenewable fuels, such as biodiesel or hydrotreated vegetable oils, which can be usedas drop-in fuel or blends, without engine modifications. LÄS MER

  3. 22. Mechanisms for the Influence from Ice Nucleus Aerosols on Clouds and their Indirect Effects: Cloud Modelling

    Författare :Deepak Waman; MERGE: ModElling the Regional and Global Earth system; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; clouds; Radiation; Ice Nuclei; Primary Biological Aerosol Particles; Ice particles; Secondary ice; primary ice; Aerosol particles; thunderstorm;

    Sammanfattning : The role of multiple groups of primary biological aerosol particles (PBAPs) as ice nucleating particles (INPs), and of ice formation processes such as time-dependent freezing of various INPs, and various secondary ice production(SIP) mechanisms in overall ice concentration has been evaluated in a range of cloud systems by simulating them numerically with the state-of-the-art ‘Aerosol-Cloud’ (AC) model in a 3D mesoscale domain. Also, the mechanismsof aerosol indirect effects (AIEs) arising from anthropogenic INPs, and the responses to these AIEs from time-dependent INP freezing and SIP processes are investigated in the simulated clouds. LÄS MER

  4. 23. Particles from biomass combustion : characteristics and influence on additives

    Författare :Linda S. Bäfver; RISE; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  5. 24. Nanofabrication with colloidal particles

    Författare :Per Hanarp; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : .... LÄS MER

  7. 25. Analysis of Endogenous Particles in Exhaled Air

    Författare :Ann-Charlotte Almstrand; Göteborgs universitet; []
    Nyckelord :exhaled particles; time-of-flight secondary ion mass spectrometry; OPLS; airway closure; exhaled breath condensate; glutathione;

    Sammanfattning : Exhaled air contains non-volatile particulate material from the respiratory tract. The precise location in which exhaled particles are formed is unknown, and details on their chemical content are scarce. The aim of this work was to chemically characterize and to study the mechanisms of formation of endogenous particles in exhaled air. LÄS MER