sulfur-trioxide的意思|示意

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。

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。

The catalyst is characterized by low cost, high catalytic activity and very low activity to oxidize sulfur dioxide to sulfur trioxide.

该催化剂具有成本低，催化活性高，极低的二氧化硫氧化成三氧化硫活性的特点。

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。

Pyridine can react with halogens, nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.

吡啶可以和卤素、 硝基四氟化硼盐、 三氧化硫、 硼烷及三氧化铬反应，形成一些有用的有机试剂。

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。