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随着国民经济的发展,高档、豪华的公共场所日趋增多,针对空调和装修材料所致空气质量的变化,采用空气负离子和耗氧量两项指标,探讨用以评价空气质量的意义。我们选择南宁市几家饭店及舞厅作调查对象。每个饭店随机抽取3～4层楼,在服务台设点,舞厅则前后各设一点,饭店每天上下午各测
With the development of the national economy, high-class and luxurious public places have been increasing day by day. According to the air quality changes caused by air-conditioners and decoration materials, two indexes of air negative ions and oxygen consumption are used to evaluate the significance of evaluating air quality. We choose several hotels and dance halls in Nanning as the survey subjects. Each hotel randomly selected 3 to 4 floors, the service desk set point, the ballroom is set before and after each set, the hotel every morning and afternoon of the test