某市軌道交通空氣微生物濃度及其影響因素
[Abstract]:Objective: to investigate the concentration and distribution of microorganism in air in a subway station and analyze its influencing factors. Methods: according to the method of hygienic inspection in public places, 5 subway stations in the city were randomly selected to investigate the distribution, temperature, humidity and flow rate of microbes in the air, and to identify and analyze the species of microbes in the air. Results: the qualified rate of bacteria in platform, hall and compartment was 100. The qualified rate of the total number of fungi in the platform, the station hall, and the carriage was 722 / 605 / 50, respectively. The total number of fungi distributed in the subway (platform, station, carriage) was larger than that on the ground. The correlation coefficients between the total number of bacteria, the total number of fungi and the population flow were 0.719 ~ 0.344 (P0.05). The dominant bacteria in bacteria are Staphylococcus, and the dominant bacteria in fungi are Aspergillus and Penicillium. Conclusion: the degree of bacterial contamination in subway is relatively light, but the degree of fungal contamination is serious, and the concentration of microorganism in air is closely related to the flow of people.
【作者單位】: 鄭州大學公共衛(wèi)生學院流行病學教研室;
【基金】:2014年鄭州大學自主創(chuàng)新項目14YD00616
【分類號】:R126.4
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