- The performance of the second stage acidulation process of Qin Ping phosphate rock with mixed acid of sulphuric acid and phosphoric acid was studied.
- A kinetic property of acidulation process of waste product of iron pyrite is studied, kinetic data of acidulation process are measured.
- It is a leap in the process of cognition.
- A product of a document copying process.
- The new process extracts oil from shale.