一种无色、无味、毒性大的气体，CO，由于碳或含碳物质如汽油的不完全燃烧而形成。
A colorless, odorless, highly poisonous gas, co, formed by the incomplete combustion of carbon or a carbonaceous material, such as gasoline.
一种黑色多孔的含碳物质，碳含量占85%到98%，由干馏木材制成以用作燃料、过滤器和吸收剂。
A black, porous, carbonaceous material, 85 to 98 percent carbon, produced by the destructive distillation of wood and used as a fuel, filter, and absorbent.
实验结果表明：配碳量为26%及以上时，还原后有剩余的含碳物质存在，钒钛磁铁矿的还原效果好。
The experimental results indicate that there is surplus of carbon and the reduction is better when the addition of carbon is above 26%.
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