Sökning: "air quality"
Visar resultat 21 - 25 av 429 avhandlingar innehållade orden air quality.
21. Promoting Air Quality Policy Adoption and Change
Sammanfattning : Air pollution is a localised issue but negatively influences health and finance globally. Conurbations and regional governments struggle to find the best policy solutions to meet air quality limit levels while competing over resources and attempting to secure growth. LÄS MER
22. Removal of ultrafine particles by intermediate air filters in ventilation systems. Evaluation of performance and analysis of applications
Sammanfattning : Epidemiological and toxicological studies demonstrate that ultrafine particles (UFPs) are strongly related with respiratory and cardiovascular diseases and syndromes. One common method to reduce human exposure to particulate air pollution is the use of intermediate class filters (F5-F9 class filters according to EN779:2002). LÄS MER
23. In pursuit of clean air through numerical simulations of no-waste pollutant removal
Sammanfattning : As epidemiological evidence continues to mount, it has become undeniable that exposure to high levels of airborne pollutants such as SOx and NOx are detrimental to human health. In recent years, millions of premature deaths by stroke, coronary heart disease, and lung cancer worldwide have been linked to poor outdoor air quality. LÄS MER
24. Numerical and experimental study of confluent jets supply device with variable airflow
Sammanfattning : In recent years, application of confluent jets for design of ventilation supply devices has been studied. Similarly, numerus studies have been made on the potential and application of variable air volume (VAV) in order to reduce the energy demand of ventilation systems. LÄS MER
25. Machine Learning Approaches to Develop Weather Normalize Models for Urban Air Quality
Sammanfattning : According to the World Health Organization, almost all human population (99%) lives in 117 countries with over 6000 cities, where air pollutant concentration exceeds recommended thresholds. The most common, so-called criteria, air pollutants that affect human lives, are particulate matter (PM) and gas-phase (SO2, CO, NO2, O3 and others). LÄS MER