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本文对30名接触高频稳态噪声的纺织女工,于饮用咖啡前后和不接触噪声的实验组进行了听力测试。结果如下。对象和方法选某纺织厂女工30人(平均20岁;平均工龄4年)作为观察组。选不接触噪声的女学生29名(平均年龄20岁)为对照组。两组均排除非噪声性耳聋病
In this paper, 30 women workers exposed to high-frequency steady-state noise were tested for hearing in experimental groups before and after drinking coffee and without touching the noise. The result is as follows. Subjects and methods Selected a textile factory women 30 (average 20 years; average length of service 4 years) as the observation group. Twenty-nine female students (mean age 20 years old) without exposure to noise were selected as the control group. Both groups excluded non-noise deafness