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不同强度噪声对工人健康影响的调查上海梅山（集团）有限公司医院职防科（２１００３９）李天宁方海生用已校准的国产ＮＤ－６型精密声级计进行现场噪声强度的测定，某铁矿井下噪声强度均值为１０９．８ｄＢ（Ａ），某动力厂热力车间为８９．５ｄＢ（Ａ）。调查对象：铁矿...
Investigation on the Effect of Different Intensity Noise on Workers’ Health Investigation of the Occupational and Health Protection Department of Shanghai Meishan (Group) Co., Ltd. (210039) Li Tianning Fang Haisheng The noise intensity of the site was measured with a calibrated domestic ND-6 precision sound level meter. The average intensity of 109.8dB (A), a power plant thermal workshop was 89.5dB (A). Survey: iron ore ...