concentrated sulfuric acid
基本解释
- [無化] 濃硫酸；發菸硫酸
英汉例句
- 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爲催化劑進行了醋酸與甲醇反應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，而且提高了原子經濟性，具有良好的環境傚益。 - The preparation of aqua mesophase pitch (AMP) was investigated by oxidation of coal tar pitch with mixtures of concentrated sulfuric acid and nitric acid.
以煤焦油瀝青爲原料，以濃硫酸和濃硝酸爲氧化劑，可得到易溶於堿性水溶液的水性中間相瀝青。
雙語例句
词组短语
- 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
短語
专业释义
- 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.
實騐利用濃硫酸氧化澱粉制備了改性澱粉,其顔色爲棕紅色;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行了測試。