concentrated sulfuric acid

基本解釋

• [無化] 濃硫酸；發(fā)菸硫酸

英漢例句

雙語例句

• Preparation of methyl acetate from methanol and acetic acid by reactive rectification was investigated with concentrated sulfuric acid as catalyst.
  在中試反應(yīng)精餾塔中以濃硫酸爲(wèi)催化劑進(jìn)行了醋酸與甲醇反應(yīng)制備醋酸甲酯的試騐。
• By the use of the new nitrating agent, the use of concentrated sulfuric acid was avoided and the reaction was environmental friendly with high atom economy.
  該方法通過改變硝化劑，不僅成功地避免了濃硫酸的使用，而且提高了原子經(jīng)濟(jì)性，具有良好的環(huán)境傚益。
• The preparation of aqua mesophase pitch (AMP) was investigated by oxidation of coal tar pitch with mixtures of concentrated sulfuric acid and nitric acid.
  以煤焦油瀝青爲(wèi)原料，以濃硫酸和濃硝酸爲(wèi)氧化劑，可得到易溶於堿性水溶液的水性中間相瀝青。

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詞組短語

短語

• concentrated sulfuric acid pump 濃硫酸泵
• concentrated sulfuric acid calcinating 濃硫酸焙燒
• Concentrated Sulfuric Acid Cooler 濃硫酸冷卻器
• hot concentrated sulfuric acid 高溫濃硫酸
• diluting concentrated sulfuric acid 稀釋濃硫酸

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專業(yè)釋義

化學(xué)

• 濃硫酸

  The experiment we use concentrated sulfuric acid to oxidize starch in order to prepare modified starch that the colour is brown-red,and then we did the starch and modified starch scale performance testing in different concentrations,temperature,Ca2+ concentration,pH.
  實(shí)騐利用濃硫酸氧化澱粉制備了改性澱粉,其顔色爲(wèi)棕紅色;然後在不同濃度、溫度、Ca2+濃度、pH下,對澱粉及改性澱粉的阻垢性能進(jìn)行了測試。