fuming sulfuric acid
英 [ˈfjuːmɪŋ sʌlˈfjʊərɪk ˈæsɪd]
美 [ˈfjuːmɪŋ səlˈfjʊrɪk ˈæsɪd]
发烟硫酸
双语例句
- It is made industrially by dissolving sulfur trioxide ( SO3) in water, sometimes beyond the saturation point to make oleum ( fuming sulfuric acid), used to make certain organic chemicals.
工业上用三氧化硫（SO3）与水反应制备硫酸，如果超越了饱合点则会形成发烟硫酸，可用于制备某些有机试剂。 - It is feasible that fuming sulfuric acid sulfonating technology is substituted by sulfur trioxide sulfonating technology.
用三氧化硫磺化工艺替代发烟硫酸磺化工艺是可行的。 - The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene ( WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.
以废聚苯乙烯（WPS）泡沫为原料，采用浓硫酸和发烟硫酸两种磺化方法制备性能良好的砼减水剂。 - Results: In the esterification step, fuming sulfuric acid was used;
结果：酯化时使用发烟硫酸； - The synthesis of polyoxytetramethylene glycol ( PTMG) from tetrahydrofuran was investigated, using fuming sulfuric acid as catalyst.
本工作以四氢呋喃为原料、发烟硫酸为催化剂合成了聚四甲撑二醇（PTMG）。 - Sodium din-butyl naphthalene sulfonate was prepared from n-butyl alcohol, naphthalene and fuming sulfuric acid.
本文提供二正丁基萘磺酸钠及二异戊基萘磺酸钠之制备方法。 - Corrosion of Fuming Sulfuric Acid Tank and Protection
发烟硫酸储罐的腐蚀与防护 - This method has been used for many times and similar operation time and product are obtained as that using the treatment with a mixture of sulfuric acid, nitric acid and fuming sulfuric acid.
经过多次试用，其操作时间和得到的结果，与以前使用的硫酸、硝酸加发烟硫酸的方法基本相同。 - A fuming sulfuric acid tank commissioned in 1997 in Baling Petrochemical Company have experienced a number leakages at the top of the tank, welds and wall shell.
巴陵分公司一座发烟硫酸储罐于1997年投用，三年多来在罐顶、焊缝及罐壁部位多次穿孔泄漏。 - In this work, we explored the liquid-phase Beckmann rearrangement of cyclohexanone oxime under mild condition by using solid sulfonic acid instead of liquid fuming sulfuric acid as catalysts.
本工作以固体磺酸代替液体发烟硫酸作为催化剂，研究了温和条件下环己酮肟的液相Beckmann重排反应，考察了不同种类的固体磺酸催化体系。 - At present, the last step of commercial processes for caprolactam is Beckmann rearrangement of cyclohexanone oxime Catalyzed by fuming sulfuric acid or concentrated sulfuric acid.
目前，工业上生产己内酰胺的最后一个步骤是环己酮肟的贝克曼重排反应，它是在发烟硫酸或浓硫酸的催化下进行的。