In addition to being in direct proportion to itself resistance, and depending on the powder size, the resistivity of the powder conducting materials also had relations to its stacked loose degree.

• 粉末导电材料的电阻率，除了与导电材料本身电阻特性成比例，与导电材料粉末的粒度相关外，还与粉末导电材料堆积的松紧度直接相关。