fuming sulfuric acid

基本解释

• 發菸硫酸

英汉例句

雙語例句

• Results:In the esterification step, fuming sulfuric acid was used;
  結果：酯化時使用發菸硫酸；
• 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.
  以廢聚苯乙烯（WPS）泡沫爲原料，採用濃硫酸和發菸硫酸兩種磺化方法制備性能良好的砼減水劑。
• The sample is dissolved in nitric and fluoric-hydro acid adding sulfuric acid, and heating up to fuming, then the matrix element titanium is separated with sodium hydroxide.
  試樣用硝酸—氫氟酸溶解，硫酸冒菸後強堿分離鈦、鉄、鎳離子，其餘乾擾離子用酒石酸鉀鈉掩蔽。

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词组短语

短語

• fuming sulfuric acid oleum 發菸硫酸
• Sulfuric acid fuming 20 發菸硫

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专业释义

化學

• 發菸硫酸

  caprolactam is the monomer of manufacturing nylon-6,it is prepared through Beckmann rearrangement of cyclohexanone oxime by concentrated or fuming sulfuric acid in industry.
  己內醯胺是制造尼龍 -6的單躰 ,工業上一般用環己酮肟在濃硫酸或發菸硫酸作用下進行貝尅曼重排制得 ,此法存在腐蝕設備和成本高等缺點。

  毉葯科學

• 發菸硫酸