نتایج جستجو برای: air filtration
تعداد نتایج: 242582 فیلتر نتایج به سال:
We here present a review of the problem of controlling airborne disease transmission in animal research facilities, with emphasis on engineering design and air-treatment technologies. Dilution ventilation, pressurization control, source control, and air disinfection and removal systems are reviewed, and analytical studies on the effects of dilution ventilation, filtration, and ultraviolet germi...
Background and objective: Indoor air pollutants are among the five most important environmental health risks. In recent years, concerns regarding indoor air in buildings have increased. In this review, studies conducted on portable air cleaners have been investigated. Materials and methods: After determining the keywords and conducting comprehensive searches in the internet databases, taking i...
Background and aims: Bio aerosols in the workplace of health-care workers is one of the hazardous agents that needs more research. .This study investigated the feasibility application of the Iranian natural zeolites (INZ) for purification of air contaminated with seudomonas aerognisa. Methods: In this study INZ was prepared in laboratory conditions. The INZ crushed and pulverized using grin...
The air filters with high Bacterial Filtration Efficiency (BFE) should help protect people effectively against various air borne particles including bacteria. In general, antibacterial properties of nanofiber membranes are tested by the conventional agar diffusion test where the small piece of test specimen is placed on agar plate and inoculated with test microorganism and incubated. This metho...
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