Objective To study rural inhabitants living condition and room air pollution in Anhui province, and its relationship with prevalence rate of COPD.
目的研究安徽省农村居民居住环境的不同及室内空气污染与慢阻肺（COPD）患病率的关系。
Formaldehyde content has become an important safety indicator in Pollution Monitoring of living room, food and textiles.
甲醛含量已成为当今居室、食品、纺织品中污染监测的一项重要安全指标。
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