نتایج جستجو برای: air filtration
تعداد نتایج: 242582 فیلتر نتایج به سال:
This article discusses the development of a mathematical model that allows you to set appropriate parameters air filter ensure efficient filtration due ability retain fine particles. Based on developed model, it is possible improve systems supplied hydraulic tank system mining excavators.
Millions of households in the United States and other developed countries, particularly those in rural areas, rely on wood-burning stoves for heat.1–3 Wood smoke contains particulate matter (PM), which potentially can exacerbate respiratory symptoms in children with asthma. A new study in Environmental Health Perspectives used a randomized control trial approach to test whether interventions at...
The air quality control equipment aboard the International Space Station (ISS) and future deep space exploration vehicles provide the vital function of maintaining a clean cabin environment for the crew and the hardware. This becomes a serious challenge in pressurized space compartments since no outside air ventilation is possible, and a larger particulate load is imposed on the filtration syst...
Airborne transmission is of significance for a number of infectious diseases in pigs. The general principles of the airborne pathway, including aerosol production, decay and inhalation, are reviewed. Practical issues regarding aerosol sampling and sample analysis are also discussed. Details of the aerobiology of porcine diseases, including foot-and-mouth disease, Aujesky's disease, and respirat...
The calculation of pollution mass balances is explained with reference to modelling indoor air quality in museums, and the implication of pollution deposition on building interior and museum objects is discussed. A short overview of the museum environments key pollutants and their effect on materials are given. Case studies, which compare buildings with and without air-filtration, old and new b...
The present study aims at investigation of the performance of nanofibrous filter, containing magnesium oxide (MgO) nanoparticles, for bioaerosols removal from the air stream. It synthesizes two types of polyacrylonitrile (PAN) and PAN/MgO nanofibers via electrospinning technique, and investigates the antibacterial properties of the produced nanofibers through disk diffusion. The air containing ...
The presence of high iron (Fe) content in water consumption is a major factor that causes health and aesthetic problems. Its amount samples can be reduced by combining the aeration filtration methods treatment. method basically involves making direct contact between air water, which usually done adding both together. Subsequently, uses porous media like sand, gravel, activated charcoal to filte...
Abstract This paper focuses on enhancing the performance of intercalated melt-blown nonwoven materials through control. The study explores whether structural variables (thickness, porosity, and compression resilience ratio) indicators (filtration resistance efficiency) products undergo significant changes, using analysis variance (ANOVA). experimental results indicate that intercalation signifi...
The present study aims at investigation of the performance of nanofibrous filter, containing magnesium oxide (MgO) nanoparticles, for bioaerosols removal from the air stream. It synthesizes two types of polyacrylonitrile (PAN) and PAN/MgO nanofibers via electrospinning technique, and investigates the antibacterial properties of the produced nanofibers through disk diffusion. The air containing ...
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