Design Volumetric air flow was measured in a number of dental surgeries to calculate the air change rate per hour (ACHvent). In each surgery, measurements of aerosol removal by ventilation alone, and ...

Sand filters are commonly applied in drinking water treatment and can efficiently remove suspended solids, organic matter, and microorganisms from source water. During the process, particulate matter ...

Particulate matter (PM) and volatile organic compounds (VOCs) are hazardous air pollutants in outdoor and indoor air. The impact of these pollutants on human mortality is well-documented, in which PM ...