| 1. | Methods of test for sulphuric acid , oleum and liquid sulphur trioxide
硫酸.发烟硫酸及液态三氧化硫试验方法 |
| 2. | Sulfuric acid and oleums for industrial use . determination of sulphur dioxyde content
硫酸和发烟硫酸的化学分析.二氧化硫的测定 |
| 3. | Sulfuric acid , fuming
发烟硫酸 |
| 4. | Produce sipm with isophthalic acid , use of furring sulfuric acid as a sulfonating agent
以发烟硫酸为磺化剂制备涤纶纤维阳离子染料可染改性剂 |
| 5. | Chemical analysis of sulphuric acid and oleums . determination of nitrous nitrogen and nitric nitrogen
硫酸和发烟硫酸的化学分析.硝态氮的测定 |
| 6. | Chemical analysis of sulphuric acid and oleum . determination of ammoniacal nitrogen . spectrophotometric method
硫酸和发烟硫酸的化学分析.氨氮测定.分光光度法 |
| 7. | Sulphuric acid and oleum for industrial use . determination of total acidity , and calculation of free sulphur trioxide content of oleum . titrimetric method
工业用硫酸和发烟硫酸.总酸度的测定和发烟硫酸中游离三氧化硫成分的计算.滴定法 |
| 8. | This method has been used for many times and similar operation time and product are obtained as that using the treatment with a mixture of sulfuric acid , nitric acid and fuming sulfuric acid
经过多次试用，其操作时间和得到的结果，与以前使用的硫酸、硝酸加发烟硫酸的方法基本相同。 |
| 9. | The anton paar density and sound velocity analyzers combine two independent parameters , density and sound velocity , to cover a wide range of applications such as quality control in beer and soft drink production , concentration determination of sulphuric acid and oleum or ternary solutions
安东帕密度和声速分析仪结合两种独立参数- -密度和声速，覆盖大范围的应用如：啤酒和软饮料生产中的质量管理、硫酸、发烟硫酸或三元混合液体浓度的测定。 |
