Objective To study the effects of extremely low frequency electromagnetic field(ELF EMF) and its combination with lead on the antioxidant system in mouse brain and liver tissues.

目的研究极低频电磁场及其与铅的联合作用对小鼠脑和肝脏抗氧化系统的影响。

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It has been proved that the saturated cadmium sulphate standard cells with cadmium-lead amalgam cathode have a high emf stability and low emf temperature coefficient.

镉铅汞齐饱和标准电池具有很高的稳定性和较低的电动势温度系数。

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