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为了解就餐场所的空气质量 ,在郑州市中原区选择 35家高、中、低档酒店的 1 58个带空调雅间 ,分别在午餐前 1 h,午餐后 2 h作气温、气湿、风速、照度、CO、CO2 、细菌总数指标的调查 ,观察就餐前后空气质量及微小气候的变化。设点和监测方法按公共场所监测技术规范 ,判定标准依
In order to understand the air quality of the dining establishments, 158 air-conditioned private rooms of 35 high, medium and low-grade hotels were selected in Zhongyuan District, Zhengzhou City, respectively at 1 h before lunch and 2 h after lunch for air temperature, humidity, wind speed, Illuminance, CO, CO2, total bacterial count indicators of the survey, before and after meals to observe the air quality and microclimate changes. Set point and monitoring methods according to public places monitoring technical specifications, determine the standard according to