Sökning: "air"

Visar resultat 1 - 5 av 3886 uppsatser innehållade ordet air.

  1. 1. EVALUATION OF RADIATION DOSES USING CONE BEAM COMPUTED TOMOGRAPHY IN ENDOVASCULAR AORTIC REPAIR AND SCOLIOSIS PROCEDURES

    Master-uppsats,

    Författare :Louise Strandberg; [2021-04-06]
    Nyckelord :Medical physics; Cone beam CT; CT; EVAR; scoliosis; radiation dose; effective dose;

    Sammanfattning : Purpose: The study includes the two areas, vascular surgery and orthopedics, and focuses on endovascular aortic aneurysm repair (EVAR) and scoliosis procedures. EVAR procedures contribute to a high radiation dose to the patient and for scoliosis procedures, it is often young girls that are undergoing surgery. LÄS MER

  2. 2. The Correlation of Workability and Mechanical Strength in air lime binders with different aggregates and pozzolan

    Master-uppsats, Göteborgs universitet/Institutionen för kulturvård

    Författare :Natalia Ioanna Dedousi; [2021-03-16]
    Nyckelord :conservation; air-limes; binders; aggregates; pozzolan;

    Sammanfattning : Degree project for Master of Science with a major in Conservation2021, 60 HECSecond Cycle2021:4.... LÄS MER

  3. 3. Qualitative analysis of a regional public policy for air quality : A case study of Normandie, France

    Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

    Författare :Arthur Avenas; [2021]
    Nyckelord :Atmospheric pollution; Atmosphere Protection Plan; policy planning; legislation; incentive measures; best practices; reduction of emissions; regional scale; case study; Normandie;

    Sammanfattning : Today, outdoor air quality occupies an important place into civic dialogue because of the many impacts of atmospheric pollution on health. Different legislations and strategies have thus been implemented across the world to improve outdoor air quality. LÄS MER

  4. 4. Massbalans av salt, kväve och fosfor i Dynestadsjön : En pilotstudie innefattande flödesmätningar och modellering

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Isak Spett; [2021]
    Nyckelord :Brackish water; fish death; eutrophication; environmental impact; the Baltic Sea; agriculture; SonTek-IQ Plus; MATLAB; Simulink; Bräckt vatten; fiskdöd; övergödning; miljöpåverkan; Östersjön; lantbruk; SonTek-IQ Plus; MATLAB; Simulink;

    Sammanfattning : Dynestadsjön in Gamleby, Västervik municipality, has a history of collapses due to lack ofoxygen and high levels of salt, nitrogen and phosphorus. The high levels of nutrients havegiven rise to deteriorating living conditions for aquatic organisms. LÄS MER

  5. 5. Investigation into the Removal of the By-product NDMA (N-Nitrosodimethylamine) from Ozonation Process in Wastewater Treatment

    Master-uppsats, Lunds universitet/Kemiteknik (CI)

    Författare :Zehao Li; [2021]
    Nyckelord :Water resources engineering; Ozonation; NDMA; Wastewater; pharmaceutical; Diclofenac; Ibuprofen; Naproxen; Technology and Engineering;

    Sammanfattning : In people’s modern life, daily usage of artificial compounds such as active pharmaceuticals ingredients (API) is usual. These compounds are likely to end up as micropollutants in the municipal wastewater. Municipal wastewater is the major source of pharmaceuticals in the aquatic environment. LÄS MER