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- Abstract: The sulfonation of linear heptane with sulphur trioxide (L) in the solvent of 1,2-dichloroethane is studied. 文摘:研究了庚烷与三氧化硫在1，2-二氯乙烷溶剂下的磺化反应。
- The direct reaction between sulphur dioxide and oxygen to give sulphur trioxide is slow and requires a catalyst. 二氧化硫与氧气直接反应生成三氧化硫是很慢的，且需要催化剂。
- It is the best process that aminosulphonic arid was manufaitured from Uuea. gas Sulphur trioxide and 98 % Sulphruicl arid. 生产氨基磺酸的最佳工艺路线是以尿素、气体三氧化硫和98%25的浓硫酸为原料的气液相法。
- Keywords Injection enthalpimetric method;sulphur trioxide;phosphoric acid; 注入热焓法;三氧化硫;萃取磷酸;
- Keywords sodium m-aminobenzene sulfonate;sulphur trioxide;sulfonation agent; 间氨基苯磺酸钠;三氧化硫;磺化剂;
- Keywords sulphur trioxide;sulphonation;methybenzene;P - toluene sulfonic acid; 三氧化硫;磺化;甲苯;对甲苯磺酸;
- Sulphur can be used to make gunpowder. 硫磺可以用来制造火药。
- Separation of sulphur trioxide aerosols with the new electrostatic precipitator "CAROLA" 用新型静电沉降器“CAROLA”分离SO_3气溶胶
- Keywords jet loop reactor;toulene;sulphur trioxide;sulphonation;toluene sulphonic acid; 喷射环流反应器;甲苯;三氧化硫;磺化;甲苯磺酸;
- Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
- Keywords Flow injection analysis;enthalpimetry;sulphur trioxide;phosphoric acid; 流动注射分析;热焓法;三氧化硫;浸取磷酸;
- sulphur trioxide 硫酐
- This medicine smacks of sulphur. 这种药带有一点硫磺气味。
- Sulphur is a constituent of gunpowder. 硫是火药的组分。
- Dinitrogen trioxide、Nitrogen trioxde. 三氧化二氮;
- Sulphur gases were emitted by the volcano. 硫磺气体由火山喷发出来。
- Sand, but blue as the flame of burning sulphur. 但是蓝得象是硫磺燃烧产生的火焰。
- Sulphur status, in general, is satisfactory. 硫的状况一般较好。
- Examples: Lithia, saline, and sulphur waters. 例如：含有氧化锂、盐、磺等物质的矿泉水。
- The calcium reacts with sulphur in the atmosphere. 钙与硫磺在空气中会发生反应。
