The differences in structural type and contents of carbon-oxygen single bond between the contact black and the furnace black are very evident.
研究结果指出，接触法炭黑与氧化炉法炭黑的表面在碳氧键合结构形式及含量上有很大的差异；
2
The furnace can alternatively be supplied with a back exhaust when waste gas contact on charge material must be avoided.
当必须避免废气与装料接触时，这种炉子需更换一个后式烟囱。
3
Objective:Graphite furnace atomic absorption spectrometry was established to determine soluble Ba, Cd, Cr and Pb in adhesive for food contact materials.