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作者对８５名仓库粮食防化人员的ＥＥＧ（脑电图）进行了脑电波指数（ＥＥＧｉｎｄｅｘ）分析，发现α指数显著低于２２名对照组（Ｐ＜０．０５），β指数显著高于对照组（Ｐ＜０．０５）。α指数的降低和β指数的增高有随工龄增加而增高的趋势，但两个工龄组之间无显著性差异（Ｐ＞０．０５）。
The authors conducted EEG (EEG) analysis of EEG (EEG) of 85 warehouse chemical defoamers and found that α-index was significantly lower than that of 22 controls (P <0.05), and β-index was significantly higher than that of control Group (P <0.05). The decrease of α index and the increase of β index tend to increase with the increase of working age, but there is no significant difference between the two age groups (P> 0.05).