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。
She shuns cellphones and spends as much time as she can in low-EMF areas.
她会尽量避免使用手机，并且尽可能让自己待在低强度辐射的环境当中。
If the short circuit has a very low thermoelectric EMF, this can be used to verify input noise and zero drift with time.
如果输入端的短路点具有很低的热电动势，用这种方法就可以验证输入噪声和零点随时间的漂移。
For some operating conditions, a synchronous generator with a rectifier and back-EMF load maybe exhibit low-frequency oscillations when the system parameters do not match.
同步发电机整流带反电动势负载时，当系统参数不匹配，在一定工况下，可能出现低频振荡。
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。
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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