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为了研究鞭炮噪声的声级、发生规律和噪声对儿童听力的影响,笔者于1986年2月16～7日和1987年1～12月进行了调查测试,结果如下: 1 调查对象和方法 1.1 春节前和节日对济南市某居民区的噪声进行了监测。 1.2 春节前后(1987年1月和12月)对9～12岁男女小学生183人测试了听力,观察听力变化;1987年12月又对18名听力损伤的学生复测了听力,了解听力变化。
In order to study the sound level of firecrackers noise, the occurrence of the law and the impact of noise on children’s hearing, the author conducted a survey on February 16 to February 7, 1986 and January to December 1987. The results are as follows: 1 Subjects and Methods 1.1 Spring Festival The noise of a residential area in Jinan City was monitored before and during the festival. 1.2 Before and after the Spring Festival (January and December 1987), 183 boys and girls aged 9-12 were tested for hearing and observed hearing changes. In December 1987, 18 hearing-impaired students were re-tested for hearing and hearing changes.