The application of lead salt in the cyanide leaching operation can produce microcell in the surface of gold grain.

氰化作业中应用铅盐可在金粒表面形成微电,纯金颗粒这原电可促进金的溶解。

Methods based on electrometric measurements involving a galvanic cell may be utilized to determine the oxygen content of a gas.

以电测法（包原电）为基础的方法可以用来测定气体的含氧。