碳循环

在上个世纪七十年代开始之前，由于能源生产的碳循环在人类的活动使其失去平衡前首次接近平衡状态。

carbon filter

hydrocarbons with a smaller number of carbon atoms

graphite carbon

graphitized carbon black

dissolved organic carbon\nDOC\n海洋

three carbon tautomerism

carbon heat distilling unit

carbon-nitrogen cycle