在适度高温下向残渣油或类似的矿物油品通入空气所生产的沥青。
Asphalt produced by blowing air through residual oils or similar mineral-oil produces at moderately elevated temperatures.
在实验室中研究了一种从石油残渣油制取建筑沥青的新工艺——水蒸汽裂解缩合。
A new process for producing roofing asphalt from petroleum residua by steam cracking and condensation has been studied in the laboratory.
本发明提供了碳五残渣油的应用,用碳五残渣油作为聚丁二烯橡胶的辅助补强剂。
The invention provides an application of a C5 oil residue which can be used as an auxiliary reinforcing agent of polybutadiene rubber.
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