منابع مشابه
Evaluating the Effectiveness of a Commercial Portable Air Purifier in Homes with Wood Burning Stoves: A Preliminary Study
Wood burning for residential heating is prevalent in the Rocky Mountain regions of the United States. Studies have shown that wood stoves can be a significant source of PM(2.5) within homes. In this study, the effectiveness of an electrostatic filter portable air purifier was evaluated (1) in a home where a wood stove was the sole heat source and (2) in a home where a wood stove was used as a s...
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Transformation of ionic pump (electron wind, Electrostatic Fluid Accelerator) technology from curious laboratory experiments to practical industrially acceptable devices requires pushing the basic technology to its physical limits. This paper presents a description of main design optimization options. A numerical modeling study demonstrates the effect of geometry and voltage distribution on the...
متن کاملDesign of modern interactive and ergonomic home air purifier
Introduction: The subject of this research is having healthy air and its challenge is air purification to have this type of air. Healthy air is free of any pollutants, including odors, harmful gasses, dust, and viruses, especially corona. This healthy air is provided by a purifier device. One of the problems of metropolises is the lack of healthy air, which is one of the most important human ne...
متن کامل12 Man - portable Air Defence Systems ( MANPADS )
Overview Man-portable air defence systems have received increasing political attention in recent years, because of the demonstrable risk that they pose to both military and civilian aircraft. They have been catalogued in some of the most poorly secured national stockpiles. In many more cases, questions remain about their numbers and the security measures in place to protect them from diversion....
متن کاملValidation of the portable Air-Smart Spirometer
BACKGROUND The Air-Smart Spirometer is the first portable device accepted by the European Community (EC) that performs spirometric measurements by a turbine mechanism and displays the results on a smartphone or a tablet. METHODS In this multicenter, descriptive and cross-sectional prospective study carried out in 2 hospital centers, we compare FEV1, FVC, FEV1/FVC ratio measured with the Air S...
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ژورنال
عنوان ژورنال: Infection Control & Hospital Epidemiology
سال: 1992
ISSN: 0899-823X,1559-6834
DOI: 10.1017/s0899823x00089297