1.Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.

1.方法采用乙醇提取，石油醚脱脂，氯仿萃取，上聚酰胺柱得到高良姜素。

2.It is available for spraying degreasing steel pieces before bonderizing with powerful oil removing capacity.

2.易溶，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.

3.本文以CO2界流体作反应物用制革的脱灰，研界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

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.

4.蓝星化学清洗技术是利用蓝星系列清洗剂通过脱脂、酸洗锈、钝化等工艺去被清洗物体表面的污物或覆盖层。