A new method was offered for solving the contradictory of high room temperature bulk resistivity and low PTC intensity of polymeric PTC material by this.
这为解决高分子PT C材料中室温体积电阻率高与PTC强度低的矛盾提供了一条新的途径。
2
High performance PTC ceramic material with low resistivity is desired to prepare an over-current limiter for program-controlled telephone exchanger.
程控电话交换机过电流保护元件要求用低电阻率高性能的PT C陶瓷材料来制备。
3
The intermetallic compound is a kind of potential functional material with high strength, low weight and large electrical resistivity.