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中文摘要：
热催化气体传感器的输出受诸多因素的影响，从理论上分析其输出特性有助于传感器的优化设计和性能评估。从一个热催化气体传感器的典型结构和热催化气体敏感机理出发，应用热平衡方程和热敏电阻的电阻温度关系推导了传感器输出与被测气体浓度、催化反应速度、工作温度以及传感器结构尺寸等之间的定量关系。从推导过程中的诸多假设，得出了热催化气体传感器设计时应遵循的一般原则。
英文摘要：
The output of thermal catalytic gas sensor is impacted by a large number of factors. Analysis of output characteristic for thermal catalytic gas sensor based on deductive method is available for optimization design and performance estimation. From the thermal catalytic gas sensor typical structure and sensitivity principium, used heat balance equation and the resistance- temperature relationship of Pt temperature sensors, the sensor output relation to the gas concentrations, velocity of catalytic chernical reactivity, sensor working temperature, and size of sensor were got. The designing principles of thermal catalytic gas sensor has been derived from series assumptions in process of deductive method.
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