concentrated sulfuric acid

基本解釋

• [無化] 濃硫酸；發(fā)煙硫酸

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.
  在中試反應精餾塔中以濃硫酸為催化劑進行了醋酸與甲醇反應制備醋酸甲酯的試驗。
• 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)濟性，具有良好的環(huán)境效益。
• The preparation of aqua mesophase pitch (AMP) was investigated by oxidation of coal tar pitch with mixtures of concentrated sulfuric acid and nitric acid.
  以煤焦油瀝青為原料，以濃硫酸和濃硝酸為氧化劑，可得到易溶于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

• 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.
  實驗利用濃硫酸氧化淀粉制備了改性淀粉,其顏色為棕紅色;然后在不同濃度、溫度、Ca2+濃度、pH下,對淀粉及改性淀粉的阻垢性能進行了測試。