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本文采用超细粒度的二氧化锡作原料，并辅以掺杂某些金属或金属氧化物的方法，制成烧结型气敏元件，发现超细二氧化锡灵敏温度为１４０ ℃左右，比普通二氧化锡低了一百个温度点，而最大灵敏温度是普通二氧化锡的２ ～３ 倍
In this paper, ultra-fine particle size tin dioxide as raw material, supplemented by some metal or metal oxide doped sintered gas sensor and found that the sensitivity of ultra-fine tin dioxide is about 140 ℃, than ordinary Tin dioxide low temperature point of a hundred, while the maximum temperature is sensitive ordinary tin dioxide 2 to 3 times