电阻定义为两端电势差与电流之比 R U I 7 四、导体的电阻率(resistivity of conductor) 导体材料电阻率决定于材料自身性质。金属材料 的电阻率为: = 0 (1+t )，为电阻温度系数。
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已经设计出专门的探头来测量半导体晶圆片和半导体棒的电阻率。
Special probes have been designed for making resistivity measurements on semiconductor wafers and bars.
结果表明：随着触媒中碳化硼添加量的增加，含硼金刚石单晶的电阻率降低，可呈现半导体电阻特性。
The results show that the specific resistance of the boron-doped diamonds significantly decreased with the increase of boron concentration and to be a semiconductor.
各种低阻测量的应用包括：接触电阻、超导体电阻和导体电阻率的测量等。
Low resistance measurement applications include contact resistance, superconductor resistance, and resistivity measurements of conductors.
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