- The testing methods for total nitrogen and the denitrogenation technologies such as acid refining,solvent refining were also reviewed.
- According to practical production, some related work of remaking sealing components of import suphuric acid refine device are introduced.
- The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced.
- He gave me a taste of his acid wit.
- Acid irritates the stomach lining.