concentrated sulfuric acid
基本解释
- [无化] 浓硫酸；发烟硫酸
英汉例句
- Preparation of methyl acetate from methanol and acetic acid by reactive rectification was investigated with concentrated sulfuric acid as catalyst.
在中试反应精馏塔中以浓硫酸为催化剂进行了醋酸与甲醇反应制备醋酸甲酯的试验。 - 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.
该方法通过改变硝化剂，不仅成功地避免了浓硫酸的使用，而且提高了原子经济性，具有良好的环境效益。 - The preparation of aqua mesophase pitch (AMP) was investigated by oxidation of coal tar pitch with mixtures of concentrated sulfuric acid and nitric acid.
以煤焦油沥青为原料，以浓硫酸和浓硝酸为氧化剂，可得到易溶于碱性水溶液的水性中间相沥青。
双语例句
词组短语
- concentrated sulfuric acid pump 浓硫酸泵
- concentrated sulfuric acid calcinating 浓硫酸焙烧
- Concentrated Sulfuric Acid Cooler 浓硫酸冷却器
- hot concentrated sulfuric acid 高温浓硫酸
- diluting concentrated sulfuric acid 稀释浓硫酸
短语
专业释义
- 浓硫酸
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.
实验利用浓硫酸氧化淀粉制备了改性淀粉,其颜色为棕红色;然后在不同浓度、温度、Ca2+浓度、pH下,对淀粉及改性淀粉的阻垢性能进行了测试。