Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection.
石油产品。中间馏分产品中芳香烃类的测定。用折射指数检测的高性能液相色谱法。
The method and the technology of synthesizing heavy aromatic petroleum sulfonate by heavy aromatic hydrocarbon and sulfur trioxide and the properties of synthesized product are studied in this paper.
本文研究了采用重芳烃和三氧化硫为原料合成重芳烃石油磺酸盐的方法、工艺及产物性质。
A superior choice over rubber or neoprene, When in contact with aromatic and petroleum solvents, caustics and animal fats.
接触芳香石油溶剂，腐蚀性动物油脂时，(这是)一种优选合成橡胶。
C9 aromatic petroleum resin was produced with pressure thermal polymerization instead of the catalytic polymerization under low temperature.
用压力热聚合方法代替低温催化聚合生产浅色号c 9石油树脂。
C9 aromatic petroleum resin was produced with pressure thermal polymerization instead of the catalytic polymerization under low temperature.
用压力热聚合方法代替低温催化聚合生产浅色号c 9石油树脂。
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