摘要
目的 探讨高温与噪声的联合作用对凿岩工听力的影响。方法 选择 4组组间基本均衡的现场作业工人进行噪声测试与高温测试。分析 4组研究对象听力水平的差异。结果 单纯高温作业组的语言听阈和高频听阈与对照组相比 ,差异均无显著性 (P >0 0 5)。噪声组、高温噪声组的语言听阈和高频听阈与对照组相比 ,差异均有显著性 (P <0 0 1 )。高温噪声组的语言听阈和高频听阈比噪声组明显增高 ,差异均有显著性 (P <0 0 1 )。结论 高温本身对工人语言听阈和高频听阈没有影响 。
Objective\ To study the combined effect of noise and heat exposure on hearing loss of tunnellers.Methods\ Four groups with equivalent environment conditions were selected,and their noise and heat stress levels were measured.Differences in the level of hearing loss were analyzed.Results\ There was no significant difference in the speech hearing threshold and high frequency hearing threshold of the group of heat exposure only in comparing with the control(P>0 05).However,there did have significant difference both in the group of noise only and in the group with noise and heat exposure(P<0 01).Both speech hearing threshold and high frequency hearing threshold of the noise and heat group were obviously higher than those of the group with noise exposure only,and the difference was significant(P<0 01).Conclusions\ Heat stress did not have any effect on speech hearing threshold and high frequency hearing threshold,however,the combined effect of noise and heat would enhance the hearing loss.
出处
《工业卫生与职业病》
CAS
CSCD
北大核心
2002年第2期67-69,共3页
Industrial Health and Occupational Diseases
