Indoor air quality in a preschool

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منابع مشابه

Association of indoor air quality and preschool children's respiratory symptoms.

BACKGROUND This study aimed to assess the association between exposure to indoor air pollution in DCCs (Child Day Care Centers) and the respiratory symptoms of children under 6 years old. METHODS Air quality data were collected three times regarding to seasonal variation. Pollutants measured in 11 DCCs included PM₁₀, CO, NO₂, SO₂, O₃, benzene, bacteria, fungi, and dust mite. The frequencyof r...

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Indoor Air Quality

The issues of indoor air quality are complex and can be directly influenced by a number of system and building parameters. There are no universal solutions for every problem since there are numerous potential contaminant sources. They may originate from indoors and have a direct impact on indoor environmental quality, or they may originate from outdoors and be transferred by a mechanical or nat...

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Indoor air quality.

Complaints in modern buildings have been attributed to inadequate ventilation for the last 20 years. Few data exist to support this claim. In fact, few studies have actually looked at ventilation and complaints at the same time. These missing studies indicate a failure of three groups of professionals, physicians and health scientists, architects and engineers, and scientists knowledgeable in e...

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Indoor Air Quality Measurement

A qualitative assessment of indoors air quality is presented, by the use of an electronic nose consisting of a gas sensor array, a data acquisition system and a pattern recognition system. The gas sensors are sensitive to gases polluting the indoors air but they are sensitive to indoors temperature and humidity as well. The data acquisition system overtakes the sensors specific response and out...

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The next generation of conventional submarines will be submerged for several weeks, creating a need for regenerative air purification methods and new air monitoring instruments. Submarine air is a complex mixture of compounds, where the most obvious contaminant is metabolically produced carbon dioxide. Normal eight-hour occupational exposure limits are not applicable on a submarine, instead spe...

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ژورنال

عنوان ژورنال: Budownictwo i Architektura

سال: 2014

ISSN: 2544-3275,1899-0665

DOI: 10.35784/bud-arch.1691