The present paper advances the basic system model of methane gas concentration detection. It has played a solid foundation and provided a valuable reference for the research of high-performance optical fiber gas sensor in the future.
本论文研究并给出了基本的瓦斯气体浓度检测系统的基本模型,为今后高性能光纤气体传感器的研究和研制打下坚实的理论基础和提供积极的参考价值。
参考来源 - 瓦斯气体检测中全光纤梳状滤波器研究The present paper advances the basic system model of methane gas concentration detection. It has played a solid foundation and provided a valuable reference for the research of high-performance optical fiber gas sensor in the future.
本论文研究并给出了基本的瓦斯气体浓度检测系统的基本模型,为今后高性能光纤气体传感器的研究和研制打下坚实的理论基础和提供积极的参考价值。
参考来源 - 瓦斯气体检测中全光纤梳状滤波器研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Methane gas does collect in the mines around here.
沼气确实积聚在这周围的矿井中。
As the waste materials decompose, they produce methane gas.
废物腐烂时会产生沼气。
Other data from the Vostok core show that methane gas also correlates closely with temperature and carbon dioxide.
来自 Vostok 地核的其他数据显示，甲烷气体也与温度和二氧化碳密切相关。
In January,a team of NASA and university scientists announced that they had found methane gas on Mars.
VOA: special.2009.12.30
We also talk to a NASA expert about the discovery of methane gas on Mars.
VOA: special.2009.12.30
For example,animal waste and cattle digestive systems release methane gas.
VOA: special.2010.01.05
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