采用双柱双氢焰离子化检测器测定空气中的总烃和非甲烷烃。
Using dual column with flame ionization detector to determine total hydrocarbon and non-methane hydrocarbon in air.
介绍了用双柱双氢火焰离子化检测器同时进样气相色谱法分析气体样品中非甲烷烃。
Non-methane hydrocarbons in the gas sample are analyzed simultaneously by GC with double columns and double FIDs.
光化学烟雾和大气臭氧形成的重要前体物之一——非甲烷烃(NMHC)的排放受到研究者的热切关注。
As one important predecessor of photo-chemical smog and ozone, non-methane hydrocarbon's (NMHC) emission is paid great attention.
甲烷和丙烷是烷烃。
通过这些研究，研究人员希望能学会如何操控这些菌类以制造更多的羧酸盐，一种可以产生甲烷和丙烷的烷烃物质。
Using those results, they hope to learn how to manipulate the bacteria to produce more carboxylates, a chemical that precedes the formation of alkanes like methane and propane.
热解气体中含有少量的水蒸气、经过干燥、碱性吸附后主要成分有一氧化碳、甲烷和乙烷等低级烷烃。
Pyrolysis gas contains a small amount of water vapor, after drying, after alkaline adsorption, the main components are lower alkanes such as carbon monoxide, methane and ethane.
热解气体中含有少量的水蒸气、经过干燥、碱性吸附后主要成分有一氧化碳、甲烷和乙烷等低级烷烃。
Pyrolysis gas contains a small amount of water vapor, after drying, after alkaline adsorption, the main components are lower alkanes such as carbon monoxide, methane and ethane.
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