Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.
方法采用乙醇提,石油醚脱脂,氯仿萃,上聚酰胺柱得到高良姜素。
Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.
方法采用乙醇提,石油醚脱脂,氯仿萃,上聚酰胺柱得到高良姜素。
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.
本文以CO2超临作反应物用于制革的脱灰,研究了超临CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。
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.
蓝星化学清洗技术是利用蓝星系列清洗剂通过脱脂、酸洗除锈、钝化等工艺去除被清洗物表面的污物或覆盖层。
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