sulfur trioxide [无化] 三氧化硫 ; 硫酸酐 ; 三氧化硫化学品
Sulfur trioxide pyridine complex 吡啶三氧化硫 ; 三氧化硫吡啶络合物 ; 三氧化硫吡啶 ; 三氧化硫
Pyridine sulfur trioxide 三氧化硫吡啶 ; 吡啶三氧化硫
Pyridine sulfur trioxide complex 吡啶三氧化硫复合物
Sulfur trioxide trimethylamine 硫磺三氧三甲胺联合体
sulfur-trioxide 三氧化硫 ; 硫过氧化物固化
Sulfur trioxide-trimethylamine complex 硫磺三氧三甲胺联合体
sulfur trioxide pyridine 否有三氧化硫吡啶
sulfur trioxide sulfonation 三氧化硫磺化
Absorption of sulfur trioxide in sulfuric acid.
三氧化硫在硫磺酸里的吸收。
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。
Production of ferrous powder by oxidative roast of copperas, a byproduct of titanium pigment was introduced, and optimum process for the transformation of sulfur to sulfur trioxide was studied.
介绍了以硫酸法钛白粉副产物绿矾为原料，氧化焙烧生产铁红粉，并研究了氧化反应中硫转化为三氧化硫的适宜工艺条件。
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