- This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurrying ability of coal on adding petroleum pitch.
- The influence of additive agents to properties of magnesium-oxychloride cement compound material is studied,based on the test results and academic analysis.
- The process of wide temperature swift aluminium anodizing and it's mechanism of additive agent are studied.
- The main ingredients of the dry cleaning agent are absorbing agent, mixed organic solvent,and small amount of additive agent.
- In the experiments sodium dodecylbenzene sulfonate acid was chosen as extractant, kerosene as solvent and TBP as additive agent.