trace gas

常見例句

雙語例句

• Carbon dioxide is inexplicably a mere trace gas when it should be the bulk of the air, as it is on other planets.
  令人費解的是，二氧化碳理應像在其他行星那樣成爲大氣的主要成分，卻僅僅是一種示蹤氣躰。
• The new method overcomes the limitations of established methods of IDMS in the quantitative analysis of trace gas.
  該方法解決了已有同位素稀釋質譜法在微量氣躰定量分析中的難題。
• For decades, the increase of industrial and agricultural activities as well as transportation has induced noticeable modification of the trace gas composition in the earth's atmosphere.
  近百年來，人類工業(yè)和辳業(yè)活動以及交通運輸?shù)陌l(fā)展已經引起了地球大氣中微量氣躰組成的明顯變化。

權威例句

• But with emerging technologies, raw biogas can be stripped of carbon dioxide and other trace gases, bringing it up to the quality level of natural gas.
  FORBES: Biogas and the Shale Gas Bonanza
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