To study the influence of ethanol on absolute refractory period of sciatic nerve in hoptoad.

探讨乙绝不应期的影响。

We used ethanol at different concentrations for the sciatic nerve stem of the unorganized hoptoad and measures its absolute refractory period.

实验离体蟾蜍坐骨行不同浓度乙处理,测其绝不应期。