1.Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.
方法采用乙醇提取,石油醚,仿萃取,上酰胺柱得姜素。
2.It is available for spraying degreasing steel pieces before bonderizing with powerful oil removing capacity.
易溶于水,除油能力强,易漂洗,中温使用。
3.Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.
4.BlueStar cleaning technology uses BlueStar series of cleaning agent eliminate the dirt and cover on the object surface by the technique of degrease, derust and passivation.