Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.
方法采用乙醇提取,石油醚脱脂,氯仿萃取,上酰胺柱得到高良姜素。
Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.
方法采用乙醇提取,石油醚脱脂,氯仿萃取,上酰胺柱得到高良姜素。
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,中温使用。
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.
CO2超临界流体作反应物用于制革的脱灰,研究了超临界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.
蓝星化学清技术是利用蓝星系列清
剂通过脱脂、酸
除锈、钝化等工艺去除被清
物体表面的污物或覆盖层。
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