Then a simply introduction was gave for the recent application of nanometer In2O3 gas sensors, includes CO gas sensor, NO2 gas sensor, O3 gas sensor, H2 gas sensor and so on.
对氧化铟半导体材料在气体传感器中的应用做了简单介绍，包括它作为CO、NO2、O3、H2等气体传感器的应用现状。
The cause that induces low catalytic activity of gas-sensitive electrode of electrochemical CO sensors and its improvement measures have been presented in this paper.
本文介绍了电化学co传感器气敏电极催化活性降低的原因及其改善措施。
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