Posts Tagged ‘ air ’

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The People’s Republic of China on the prevention of air pollution

Popularity: 64% [?]

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Pollutions in China

The report of investigation said that pollutions in china,As for the content of sulfur dioxide in the air, the highest in Chongqing, the World Health Organization nearly seven times the required standards. pollutions in china has been a serious threat to Chinese people’s physical and mental health and intellectual development. In addition, China’s water pollution [...]

Popularity: 35% [?]

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why indoor air cause?

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% [?]

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air high-quality

POFanger Professor in 1989 to indoor air quality, the definition is: is the so-called quality reflects the extent to satisfy the people’s demands, such as people with the high-quality, low-quality is unsatisfactory. British CIBSE (Charted Institute of Building Services Engineers) that: If indoor less than 50 percent of the people to be aware of any [...]

Popularity: 27% [?]

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Indoor Air Quality

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% [?]