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。
The product is two layers of limpness composite material of polyester thin film coated with bonding agent and single surface bonding of calendaring aromatic polyamide fiber paper.
该产品是由聚酯薄膜涂以胶粘剂，单面粘合轧光聚芳酰胺纤维纸而成的二层柔软复合材料。
Recent progress in improving the sulfur resistance of noble metal aromatic saturation catalysts is reviewed in this paper.
本文着重对改善贵金属芳烃饱和催化剂抗硫性的最新研究进行了综述。
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