- Dye leveller and acid agent have a certain influence on the effect of colour change.
- Vinyltriisopropenyloxysilane was prepared with cuprous chloride as catalyzer,triethylamine as absorb acid agent,acetone and vinyltrichlorosilane as raw materials.
- In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
- The influences of concentration of extractant, concentration of sulphuric acid as acidic agent and extraction temperature on the defluorination efficincy were investigated.
- Flavor enhancer acidity agent and sweetening agent which are in need of fermented chilli were determined through a serial experiments.