文章详细信息 关键词： 甲烷气体;;差分吸收技术;;光纤传感器;;半导体激光器 [gap=867]Keywords: methane gas;differential absorption techniques;fiber optic sensors;semiconductor laser
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氮中甲烷气体标准物质 Methane in Nitrogen ; CH4 gas in Nitrogen Reference Material
氩中甲烷气体标准物质 Methane in Argon ; Methane gas in argon Reference Matherials
非甲烷气体 NMOG
甲烷气体传感 Methane gas detection
非甲烷有机气体 NMOG ; NonMethaneOrganicGas
氩-甲烷计数气体 gas argon-methane counting
甲烷标准气体 standard gas of methane in air
空气中甲烷标准气体 standard gas of methane in air
以及非甲烷有机气体 NonMethaneOrganicGas ; NMOG
Fiber optic gas sensor is a novel sensor. Based on harmonic measurement,this paper demonstrated a system using absorption type optic fiber for high sensitivity methane detection.
光纤气体传感器是一种新型传感器,通过研究,提出一种基于谐波检测的高灵敏度光谱吸收型光纤甲烷气体传感器。
参考来源 - 利用光纤甲烷气体传感器实现井下气体的分布式测量·2,447,543篇论文数据，部分数据来源于NoteExpress
它的峰值，就是在间冰期刚开始，大气中有最多的二氧化碳和甲烷气体，温室气体。
Its peak, that is, there is the most carbon dioxide and methane gas, greenhouse gases in the atmosphere just after the beginning of the interglacial period.
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。
Other data from the Vostok core show that methane gas also correlates closely with temperature and carbon dioxide.
首先，所有的动物，如牛、猪和羊，总是排出石灰甲烷气体，这是继二氧化碳之后第二常见的温室气体。
For a start, all animals, such as cows, pigs and sheep, always gas limed methane, which is the second most common green house gas after carbon dioxide.
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