| 1. | Acids used in pickling can include sulfuric . 酸浸渍中用的酸有硫酸。 |
| 2. | Hemihydrate can be used instead of gypsum . 半水物硫酸钙可以用来代替石膏。 |
| 3. | Most sulfuric acid is made by the contact process . 大多数的硫酸是用接触法制造的。 |
| 4. | Chlorination is carried out with nhaloamines and sulfuric acid . 氯化是用N-卤胺和硫酸。 |
| 5. | and sulfates are known to corrode metals. 已知硫酸和硫酸盐能腐蚀金属。 |
| 6. | Sulfur or sulfuric deliveries can be similarly measured . 硫黄和硫酸的交货量也可用类似方法测定。 |
| 7. | Hydrogen is a product of the reaction between zinc and sulphuric acid . 氢是锌和硫酸反应的生成物。 |
| 8. | The fabric is rinsed, saturated with a weak solution of sulfuric . 织物要先进行水洗,然后用淡硫酸浸渍。 |
| 9. | In recent years the size of single-unit sulfuric plants has increased . 近年来单机组硫酸厂规模已经扩大。 |
| 10. | The use of calcium sulfate requires an greater capital investment . 使用硫酸钙做原料,需要更多的基建投资。 |