temperature coefficient of resistivity 电阻率温度系数
positive tempera-ture coefficient of resistivity 基正温度系数电阻
pressure coefficient of resistivity 电阻率压强系数
Thereby a semiconductive material has been developed with positive temperature coefficient of resistivity and with higher operating temperature for cables.
借此制成一种电阻的温度系数为正、工作温度较高的半导电电缆料。
If a iterative coefficient is added to the formula used to adjust apparent resistivity, the calculated value will rapidly access to observation value, therefore the number of iteration is lowered.
在调整视电阻率的公式中加入一个迭代系数，可使计算值快速趋向于观测值，减少了迭代次数；
The results of experiment show that the resistivity of the composites changes along with the temperature in a behavior of positiver temperature coefficient (PTC) effect.
实验指出，其电阻率随温度的变化呈不同强度的正温度系数（PTC）效应。
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