记录兔翻正反射消失的潜伏期和持续期。
The latency and duration for the disappearance of righting reflex in the rabbits were recorded.
方法：以翻正反射消失为睡眠开始的指标，至翻正反射恢复作为睡眠时间。
Methods: the absence of the righting reflex was considered as the sleep onset and the duration of the loss of the righting reflex was recorded as the sleeping time.
方法：采用正交试验设计，观察安定对敌敌畏和氧乐果中毒小鼠存活时间、震颤时间、翻正反射消失时间的影响。
Methods: By orthogonal experiment design, the time of survival, of beginning tremor, of losing righting reflex were observed in mice exposed to Dedevap, Omethoate.
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