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选择南宁市区的宾馆、饭店为监测对象,共测定空调客房30间,非空调客房139间。用平皿暴露法采集客房内空气样品进行细菌菌落数测定;噪声测定采用国产 HY104型声级计进行 A 声级的 Leq 值测定;风速用国产 QOF 型热球式电风速仪测定,相对湿度采用 DHM_2型通风干湿表测定。结果空调客房噪声 Leq 值为52.25dB,超标率为78.57%;非空
Select Nanning downtown hotels, restaurants for the monitoring object, a total of 30 air-conditioned rooms were measured, non-air-conditioned rooms 139. The plate air exposure method was used to collect the air samples in the room for the determination of bacterial colonies. The noise was measured by the domestic HY104 sound level meter for the A-level Leq value. The wind speed was measured by a domestic QOF hot-ball anemometer. The relative humidity was DHM_2 Ventilation wet and dry table determination. Results Air-conditioned room noise Leq value of 52.25dB, exceeding the standard rate of 78.57%; not empty