A new technique of methane detection, with constant voltage and low temperature of sensor, is developed.
提出了一种定压低温式甲烷检测方法，并分析了其工作原理和特点。
A new coalmine methane detection method based on Beer-Lambert Law using absorption type optic fiber is investigated.
从理论上提出了一种基于比耳朗伯定律的新型煤矿安全系统瓦斯检测方法。
A catalytic sensor has been widely used for methane detection. Its nonlinear characteristic has lowed the accuracy of the methane detection.
热催化元件是广泛地用于瓦斯检测的一种传感器，其非线性特性影响了瓦斯检测的准确性。
Based on the near infrared spectral absorption of methane, a system using absorption type optic fiber for high sensitivity methane detection is demonstrated.
基于甲烷气体的近红外吸收光谱，研究了一种高灵敏度光谱吸收型光纤甲烷气体传感器。
Based on the infrared spectrum absorption characterization of methane gas, the long optical distance differential absorption method for methane detection is studied.
基于甲烷气体的红外光谱吸收特性，研究了长光程差分吸收式甲烷气体检测的方法。
Based on the infrared spectrum absorption characterization of methane gas, the long optical distance differential absorption method for methane detection is studied.
基于甲烷气体的红外光谱吸收特性，研究了长光程差分吸收式甲烷气体检测的方法。
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