indoor air quality, the cause In the 1970s oil crisis attacked Western countries, many energy-saving construction is to reduce the air-conditioning system of ventilation rate, and to enhance the room confined extent. Another modern building more luxury decoration, decoration materials more diverse, and these decoration materials released chemical pollutants, which further led to the deterioration [...]
Popularity: 29% [?]
In ASHRAE Standard 62-1989 R, it took into account the concentration of indoor pollutants and human indicators of the subjective feelings of the two factors, an acceptable indoor air quality (acceptable indoor air quality) and to feel acceptable indoor air quality (acceptable perceived indoor air quality) concept. Acceptable indoor air quality is defined as: air [...]
Popularity: 29% [?]
An indoor air quality (Indoor air quality) is different from the concept of indoor air quality, indoor air pollution, initially on the indoor air quality is defined as a pollutant concentration indicators, however, with the continuous deepening of study, it was found that individual pollutants concentration indicators can not be accurately reflected the pros and [...]
Popularity: 30% [?]
“Indoor air quality standards” has finally officially announced China’s first “indoor air quality standards” (Standard No.: GB / T 18883-2002) released, and is scheduled to March 1, 2003 implementation. The standards and national standards issued by the Commission before the “indoor environmental pollution control of civil construction”, 10 “indoor decoration materials harmful substances stipulated in [...]
Popularity: 11% [?]
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