The roof waterproof materials may adopt the modified oxidated asphalt coiling materials and other high molecular materials.
屋面防水材料采用改性氧化沥青防水卷材和其它高分子材料。
The paving properties evaluated test of Semi-oxidated asphalt of China GL -1 and GL-2. was introduced systematically and compared with Fushun asphalt and Japan AC -100.
本文系统地介绍了中国半氧化沥青gl—1和GL—2在日本进行路用性能评价的试验情况，并同抚顺沥青及日本AC—100进行了比较。
Activated carbons were prepared from asphalt coke, pitch and oxidated pitch by KOH activation method.
以沥青焦、煤沥青以及氧化沥青为原料，采用KOH活化法制备高比表面积活性炭。
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