Sökning: "Clean air"

Visar resultat 1 - 5 av 94 avhandlingar innehållade orden Clean air.

  1. 1. Essays on the Economics of the 1956 Clean Air Act

    Författare :Nanna Fukushima; David Strömberg; Peter Nilsson; Wolfram Schlenker; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Environmental economics; Air pollution; Clean Air Act 1956; Environmental regulation; Infant health; Firm heterogeneity; Firm behaviour; Regulation compliance; Economic history; Economics; nationalekonomi;

    Sammanfattning : This thesis consists of three essays in environmental and health economics.The UK Clean Air Act, Black Smoke, and Infant MortalityThis paper estimates the effects of the 1956 UK Clean Air Act on infant mortality. LÄS MER

  3. 2. Aerosol-cirrus interactions : comparing clean and polluted air masses

    Författare :Marco Seifert; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Atmosfären; miljöaspekter; Atmosfärens sammansättning; struktur; mekanik;

    Sammanfattning : .... LÄS MER

  4. 3. Ultrafine Particles in Indoor Air. Measurements and modelling

    Författare :Uve Matson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; airborne particles; aerosols; ventilation; air quality; outdoor air;

    Sammanfattning : Clean air is one of the most fundamental human needs. Since people spen on average over 85% of their time indoors at work, home, school etc., human exposure to air pollution may mostly occur indoors. LÄS MER

  5. 4. Ultrafine Particles in the Indoor Environment: Field and Laboratory Measurements

    Författare :Uve Matson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; airborne particles; aerosols; indoor air; outdoor air; air quality;

    Sammanfattning : Clean air is one of the most fundamental human needs since poor air quality affects the health and the environment. It has been shown that people spend on average over 85 % of their time at work, home, school etc. Therefore, human exposure to air pollution may occur mostly indoors. Despite this fact, outdoor air pollution is also important. LÄS MER

  7. 5. Dispersion and risk assessment of airborne contaminants in pharmaceutical clean rooms

    Författare :Berit Reinmüller; KTH; []
    Nyckelord :airborne contamination; clean rooms; clean zones; clothing systems; dispersion of contaminants; LR-Method; microbiological risk assessment; risk assessment; source strenth;

    Sammanfattning : In many of today's industries, particularly in the healthcare field, special protection is required against airbornemicrobiological contamination. Clean rooms and clean zones areused to separate the ambient environment from contaminationcontrolled areas. LÄS MER