Objective To investigate the alcohol extractive technique of hyperin from Hypericum(perforatum) Linn.
目的探索贯叶金丝桃药材中金丝桃苷的乙醇提取工艺。
Objective To investigate the alcohol extractive technique of hyperin from Hypericum(perforatum) Linn.
目的探索贯叶金丝桃药材中金丝桃苷的乙醇提取工艺。
The characteristics of wulfenite and latest development of wulfenite extractive metallurgy were reviewed.
介绍了彩钼铅矿的特点及其浸出工艺的研究现状。
Studies on extraction of extractive and measurements on bacteriostatic activity of extractives against fungi from Melia azedarach L.
对苦楝提取物的提取及提取物对真的抑活性进行了研究。
Using PMK programing controler simulates of the process control system and corrects parameter of controler in extractive tower.
利用PMK可编程调节器实现过程控制系统的仿真,并对调节器进行参数整定。
METHODS The alimentary cana l study of extractives and two compounds-costunolide and dehydrocostuslactone of Radix Aucklandiae was carried out.
方法对木香药材的不同提取物以及木香中的两化合物木香烃内酯和去氢木香内酯进行了消化道的药理学研究。
Cape jasmine extractive: cape jasmine extractive is the active component which comes from the desiccative ripe fruit of the cape jasmine belonging to gamene family.
栀子提取物是从茜草科植物栀子的干燥成熟果实中提取的有效成分。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变对萃取精馏过程的影响,为工业应用提供理论与实践基础。
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