The purity of 4-aminoantipyine is key for measuring phenolicmaterial in water samples.
挥发酚测定中,常因4-氨基安替比林纯度不高而影响测定。
2
The ablation mechanism and the performance of carbon-phenolicmaterial of solid propellant rocket nozzles are studied.
本文研究了碳-酚醛材料在固体火箭发动机喷管中的烧蚀机理及性能。
3
It is pointed out that the contents of the phenolicmaterial, iron ion, amino acid as well as the reducing sugar within the white sugar are the important effect factors of the color increasing.