英语释义

1. a compound SO3 that is a heavy low-boiling strongly acid corrosive liquid when first produced at ordinary temperatures but that polymerizes readily to three or more solid forms including a stable modification resembling asbestos, that is formed by the union of sulfur dioxide and oxygen (as in the contact process for making sulfuric acid) but is usually made by distillation of strong oleum, that gives off irritating toxic fumes in air and combines violently with water evolving much heat and forming sulfuric acid, that is a powerful oxidizing agent and sets fire to materials like excelsior and sawdust on contact, and that is used chiefly as a sulfonating and sulfating agent (as in making detergents)

片语

sulfur trioxide sulfonation三氧化硫磺化

Three sulfur trioxide三氧化硫

Sulfur trioxide pyridine complexCAS吡啶三氧化硫

Pyridine sulfur trioxide complexCAS吡啶三氧化硫

Sulfur trioxide pyridine comp吡啶三氧化硫

sulfur trioxide dioxane三氧化硫二氧六环

liquid sulfur trioxide液体SO

sulphur trioxide三氧化硫

英汉例句

• 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 corrosive solution of sulfur trioxide in sulfuric acid.

  发烟硫酸含三氧化硫酸的一种腐蚀性溶液。

• The sulfonation technology of the liquid sulfur trioxide was also reviewed.

  对液体三氧化硫磺化技术的特点进行了概述。

• Secondly molecules of sulfur dioxide are oxidized into sulfur trioxide by those particles, which are including ozone and oxygen plasma.

  接着这些高能电子与产生的氧等离子体和臭氧将二氧化硫分子氧化。

• 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。

• Advances in applications and technology for sulfonation using sulfur trioxide in manufacturing dye intermediates are reviewed.

  综述了三氧化硫磺化在染料中间体生产中的应用和技术进展。

• The research and development of Chinese sulfur trioxide sulfonation technology is reviewed.

  对我国三氧化硫磺化技术的研究开发进行了回顾。

• This paper described the technique of the sulfonation using the liquid sulfur trioxide as a sulfonating agent. The advantages and disadvantages by using this process were pointed out.

  叙述了用液体三氧化硫作为磺化助剂的磺化技术，同时，指出了该项技术的优缺点。