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Hittade 5 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Implementation of the mille-feuille nanofilter paper in the virus removal filtration of IgY purified from chicken egg yolk

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för biologisk grundutbildning

    Författare :Michelle Dahlman; [2020]
    Nyckelord :;

    Sammanfattning : The purpose of this thesis was to test the mille-feuille nanofilter paper for a virus removal filtration from a potential protein-based nutraceutical. Therefore, chicken IgY was purified from egg yolk, with PEG precipitation for crude fractionation followed by thiophilic adsorption chromatography. LÄS MER

  3. 2. CFD Simulation of Urea Evaporation in STAR-CCM+

    Master-uppsats, Linköpings universitet/Mekanisk värmeteori och strömningslära

    Författare :Oscar Ottosson; [2019]
    Nyckelord :Urea; AdBlue; SCR; Solid Deposit; NOx; nitrogen oxides; CFD; speedup; spray simulation; UWS; diesel after-treatment; STAR-CCM ; AVL Fire; Scania; Sweden; NXPS; LiU; DOE; Urea; AdBlue; SCR; Klump; NOx; kvävedioxider CFD; uppsnabbning; spray simulering; UWS; efterbehandling av diesel-motor; STAR-CCM ; AVL Fire; Scania; Sverige; NXPS; LiU; DOE;

    Sammanfattning : Diesel engines produce large amounts of nitrogen oxides (NOX) while running. Nitrogen oxides are highly toxic and also contribute towards the formation of tropospheric ozone. LÄS MER

  4. 3. Effect of Alternative Fuels on SCR Chemistry

    Uppsats för yrkesexamina på avancerad nivå, KTH/Skolan för kemivetenskap (CHE)

    Författare :Simin Faramarzi; [2012]
    Nyckelord :SCR; urea; Adblue; additives; alternative fuels;

    Sammanfattning : In the time line of world industrial age, the most important era begins in the late 18th century when the use of fossil fuels was growing intensively. This approach has continued and developed up to the 20th century. Besides, this trend has had side effects like polluting environment. LÄS MER

  5. 4. Kemin bakom framtidens avgasrening : En studie av ureasönderfall under kvävgasatmosfär

    Uppsats för yrkesexamina på avancerad nivå, Institutionen för materialkemi

    Författare :Tan Le; [2011]
    Nyckelord :Urea; Biuret; Cyanursyra; HNCO; TGA; DSC; FTIR; SCR;

    Sammanfattning : The purpose of this work was to provide a better understanding of urea’s decomposition and byproduct formation in an SCR system on heavy trucks. In my experimental setup with TGA-DSC-FTIR (a combination of two thermal analysis methods and a method for gas phase detection), an FTIR method for urea in the gas phase was developed for the qualitative and quantitative determination of urea and its decomposition products. LÄS MER

  7. 5. Nedfästning av oljemåleri på puts. En fallstudie från salongen på Mostorps slott i Halland

    Kandidat-uppsats, Göteborgs universitet/Institutionen för kulturvård

    Författare :Kerstin Wetterström; [2010-03-19]
    Nyckelord :Lime mortar; lime plaster; traditional oil paint; linseed oil; ; synthetic adhesives; architectual conservation;

    Sammanfattning : This thesis, designed as a case study, is about complications concerning conservation of a decorative oil paint on lime plaster from the drawing-room in Mostorp castle sited in the county of Halland in south-west of Sweden. The building was built 1878-80 with an exterior of granite. LÄS MER