Ion-molecule reaction can be used for the analysis of trace gases.
离子-分子反应可用于痕量气体分析研究。
When the substance enters the human body, it forces a reaction which the hybrid molecule itself controls.
当这种物质进入到人体，所发生的反应就会受这种合成分子的控制。
Enzymes interact with a substrate, or molecule, to cause a chemical reaction that can be measured through various analytical techniques.
酶与基质或分子之间发生的相互作用所引起的化学反应，可以通过各种分析技术来测量。
应用推荐