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- sulphuric acid resistance 抗硫酸侵蚀性
- We make superphosphate by reacting rock phosphate with sulphuric acid. 我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。
- Please treat the material with sulphuric acid. 请用硫酸处理这种材料。
- A sulphuric acid spill polluted the East River. 硫酸泄漏污染了东江。
- Formulation design for CSM compound resistance to 98% of concentrated sulphuric acid has been described in the paper. 论述了耐98%25浓硫酸的氯磺化聚乙烯胶料配方设计。
- The sulphuric acid has eaten into these steel pipes. 硫酸已腐蚀了这些钢管。
- We make superphosphate by react rock phosphate with sulphuric acid. 我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。
- The pieces were then thrown into a barrel of sulphuric acid. 随后这些碎片会被扔进一个硫酸桶里。
- Her hand came into contact with sulphuric acid and was burned. 她的手接触了硫酸，烧伤了。
- Used in various inks and varnishes, and as an acid resist in photo-engravings. 用制各类油墨和清漆，并用作照相蚀刻版的抗蚀膜。
- Hydrogen is a product of the reaction between zinc and sulphuric acid. 氢是锌和硫酸反应的生成物。
- Add 5 ml concentrated sulphuric acid to 100 ml water sample and shake well. 把大约5亳升的浓硫酸加进100亳升的水样本中,混匀。
- Both oxygen and acid resistance of the partical anaerobes increased. 驯化菌株的耐氧件由专性厌氧变为兼性厌氧;耐酸性由初始酸度pH 5.;5时不生长变为pH 4
- Acid resistant Ni-resist or bronze stem nut. 耐酸耐蚀镍合金或青铜阀杆螺母。
- CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF ASH. 硫酸和发烟硫酸的化学分析。熔烧残留物的测定。
- Used for clay bricks, high aluminum bricks masonry in acid resistance furnaces. 用于高炉、热风炉及其它工业窑炉砌筑轻质粘土砖、轻质高铝砖。
- Add 5 ml.concentrated sulphuric acid to 100 ml.water sample and shake well. 把大约5亳升的浓硫酸加进100亳升的水样本中,混匀。
- His prototype used dilute sulphuric acid and operated at room temperature. 他当时的做法用的是稀释的硫酸，而且是在室温下进行操作。
- Introduce Na2CO3 as the activating agent and sulphuric acid as the lixiviant. 选用Na_2CO_3为活化剂,确定了合理的活化条件。
- Chromeplating liuthium is mainly used for chromic acid and sulphuric acid. 镀铬用的电解液次给是铬酸酐和硫酸。
