超微粒SnO_2气敏材料研制现状

Researching Present Situation of Super-Micro Particle SnO_2 Gas-Sensing Material

介绍了超微粒SnO2材料的几种主要制备方法及由相应材料制成的气敏元件性能特点，探讨了SnO2气敏特性与粉体粒度的关系。

Some main preparing methods of super-micro particle SnO2 material and characteristics of gas-sensing elements made by relative material are intruduced, and the relationship of SnO2 gas-sensing characteristics and particle sizes is discussed.