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。
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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