fuming sulfuric acid

基本解釋

• 發(fā)煙硫酸

英漢例句

雙語例句

• Results:In the esterification step, fuming sulfuric acid was used;
  結(jié)果：酯化時使用發(fā)煙硫酸；
• 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）泡沫為原料，采用濃硫酸和發(fā)煙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，硫酸冒煙后強(qiáng)堿分離鈦、鐵、鎳離子，其余干擾離子用酒石酸鉀鈉掩蔽。

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詞組短語

短語

• fuming sulfuric acid oleum 發(fā)煙硫酸
• Sulfuric acid fuming 20 發(fā)煙硫

• fuming sulfuric acid更多詞組

專業(yè)釋義

化學(xué)

• 發(fā)煙硫酸

  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(nèi)酰胺是制造尼龍 -6的單體 ,工業(yè)上一般用環(huán)己酮肟在濃硫酸或發(fā)煙硫酸作用下進(jìn)行貝克曼重排制得 ,此法存在腐蝕設(shè)備和成本高等缺點。

  醫(yī)藥科學(xué)

• 發(fā)煙硫酸