该仪器主要用于检测煤矿井下环境气体中的甲烷浓度，运用了热催化原理。
This instrument is used with the principle of catalytic incineration to measure the concentration of methane in coal mine.
本文介绍了一种新型的催化油浆固含量测定方法及其配套仪器的设计与开发。
This paper introduces a new method which measures catalyst decanted oil solid matter content as well as the design and development of this instrument.
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