The conductivity of a solution is sensitive to the presence of impurities, so its value is meant to be more an index of impurity than a characteristic constant.
The general relationship between average mobility of carries and average conductivity in a doped layer with an arbitrary impurity distribution has been established.
本文建立了非均匀次掺杂层载流子平均迁移率与平均电导的普遍关系。
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The combined effects of the electron thermal conductivity and the impurity radiation on ohmic heating of tokamak plasmas are studied by using a set of simplified energy balance equations.