So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.
这样就降低了供电可靠性，故找出一种新思路使其能更准确有效地判断故障点具有重要意义。
Studied the compound effect that boron and rare-earth improved the electric conductivity.
研究了硼与稀土在改善铝导体导电性方面的复合作用问题。
The molar conductivity of rare earth chlorid increases with the decreasing of concentration.
稀土氯化物的摩尔电导率随浓度的降低而增加。
This paper studied the effects of rare earth elements on the properties(such as hardness, electrical conductivity and resistance to corrosion)of pure copper used in touching wire of electric railway.
研究了稀土对电气铁路电车线用纯铜硬度、导电性、 耐磨性、耐蚀性的影响。结果表明，随稀土加入量的不同，上述性能都有一定程度的变化。
Thereare mainly two classes of interpreting method about the airborne transient electromagneticdata, and they are: Conductivity-depth transformations and Layered-earth inversion method.
目前国际上研究和应用的关于航空瞬变电磁数据的解释技术可以分为两类：一类是电导率-深度转换的近似方法，另一类是层状大地反演。
The electrical conductivity properties of the materials showed that the introduction of graphite nanosheets and rare earth ions was effective to improve the conductivity of nanocomposites.
发现复合材料中引入纳米石墨薄片和稀土金属纳米粒子，提高了材料的导电性，并使复合材料拥有更低的渗滤阀值。
For here we can see that, rare-earth additive can remove harmful substances in liquid Cu effectively so that conductivity of non-oxygen copper pole is enhanced.
至此我们可以看出，稀土添加剂可以有效消除液态铜里的有害物质，所以提高了非氧化铜电极的导电率。
For here we can see that, rare-earth additive can remove harmful substances in liquid Cu effectively so that conductivity of non-oxygen copper pole is enhanced.
至此我们可以看出，稀土添加剂可以有效消除液态铜里的有害物质，所以提高了非氧化铜电极的导电率。
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