منابع مشابه
Fungal Outbreaks and Infection Prevention During Demolition: Influence of High-Efficiency Particulate Air Filtration.
TO THE EDITOR—We read with interest the article by Kanamori et al [1] who reviewed fungal outbreaks linked to construction and renovation of healthcare settings. The authors selected 49 studies that reported cases of fungal outbreaks related to hospital construction, renovation, or demolition. The authors found that construction-related fungal cases seem to be in decline as only 3 published stu...
متن کاملPilot study of high-performance air filtration for classroom applications.
UNLABELLED A study was conducted to investigate the effectiveness of three air purification systems in reducing the exposure of children to air contaminants inside nine classrooms of three Southern California schools. Continuous and integrated measurements were conducted to monitor the indoor and outdoor concentrations of ultrafine particles (UFPs), fine and coarse particulate matter (PM2.5 and...
متن کاملApplication of acoustic agglomeration to enhance air filtration efficiency in air-conditioning and mechanical ventilation (ACMV) systems
The recent episodes of haze in Southeast Asia have caused some of the worst regional atmospheric pollution ever recorded in history. In order to control the levels of airborne fine particulate matters (PM) indoors, filtration systems providing high PM capturing efficiency are often sought, which inadvertently also results in high airflow resistance (or pressure drop) that increases the energy c...
متن کاملTransparent air filter for high-efficiency PM2.5 capture.
Particulate matter (PM) pollution has raised serious concerns for public health. Although outdoor individual protection could be achieved by facial masks, indoor air usually relies on expensive and energy-intensive air-filtering devices. Here, we introduce a transparent air filter for indoor air protection through windows that uses natural passive ventilation to effectively protect the indoor a...
متن کاملDevelopment of High Efficiency Scroll Compressors, for Air Conditioners
Recently, a scroll compressor for air conditioners has been developed, because of its high efficiency, quiet operation, light weight and small size. To accomplish high efficiency, self sealing mechanisms such as a tip seal and a swing link mechanism are very effective. Tip seals which are placed on the top of scroll wraps achieve thrust sealing and a swing link mechanism achieves radial sealing...
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ژورنال
عنوان ژورنال: American Journal of Public Health and the Nations Health
سال: 1965
ISSN: 0002-9572
DOI: 10.2105/ajph.55.10.1668-a