… Therefore, in this study, the term “ultrafine particles” has been used … of particles. The aim
of this study was to investigate the indoor concentration with respect to outdoor air and indoor …

… In buildings with a high indoor particle generation, the average indoor-to-outdoor UFP
concentration ratio can reach 14. Combustion, electric heating, and house cleaning are the main …

… , indoor, and outdoor PM 2.5 , UFP, and BC concentrations. One of the objectives of the
study was to examine the relationships between indoor and outdoor … with indoor and outdoor …

… The overall average indoor and outdoor particle number concentrations … indoor and outdoor
ultrafine particles (UFP) distributions revealed that indoor sources contributed to the indoor …

… ultrafine particles and causes them to grow to a size detectable by a laser. It can detect particles
… The percentage of particle exposures due to indoor, outdoor, and in-vehicle sources in …

… outdoor levels across all measurements were 10,800, 12,000 and 6300cm −3 and median
indoor levels … Outdoor levels generally exceeded indoor levels but indoor concentrations were …

… indoors for different ventilation configurations. Our data set includes long term measurements
of indoor/outdoor ratios for the particle … measurements of both indoor and outdoor aerosols. …

… Indoor and outdoor PM 2.5 mass and chemical compositions as well as the size distribution
of ultrafine particle have been contemporaneously measured at two sites with very different …

… outdoor BC/EC, 11 studies of outdoor UFP, three studies of indoor BC, and one study of indoor
… short-term outdoor exposure, three examined long-term outdoor exposures, and all four …

… The present study determines penetration behavior of outdoor ultrafine particles into
indoor environments in areas close to freeways. Results from this research have important …