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测定石油钻井作业环境的噪声场和作业组237名噪声接触者的工龄等效连续A声级[Leq(s)]。表明经常位于>90dB(A)噪声场内作业者有柴油机工、发电工、司钻和副司钻等,而Leq(s)>90dB者仅柴油机工和发电工。健康检查时,高频听损检出率作业组为23.6％,高于对照组,并与Leq(s)呈正相关,同时发现平均心率增快,唾液溶菌酶含量下降,甲皱微血管绊数减少。输入枝和绊顶管径增大和总积分值升高。
Determining the noise field of the oil drilling environment and the equivalent continuous A sound level [Leq (s)] of 237 noise workers in the operation group. This indicates that diesel locomotives, power generators, drillers and co-drills, etc. are often employed by operators who are often in the noise field of> 90dB (A), while those with Leq (s)> 90dB are diesel and power generators only. At the time of health examination, the detection rate of high-frequency hearing loss was 23.6% in the operation group, which was higher than that in the control group and positively correlated with Leq (s). Meanwhile, the average heart rate was increased, the content of salivary lysozyme decreased, . Enter the branch and trip top diameter increases and the total score increases.