3) multi-stage countercurrent extraction technology
罐组式逆流提取技术
1.
Objective: To study the optimum technical conditions of extracting Hydroxysafflor yellow A(HSYA) from Carthmus tinctorius by multi-stage countercurrent extraction technology.
目的:研究以红花药材为原料,采用罐组式逆流提取技术提取羟基红花黄色素A(HSYA)的最优工艺条件。
4) countercurrent extraction
逆流提取
1.
The results showed that the optimal conditions were as follows:countercurrent extraction of 4 levels,pH 9 at 80 ℃,with 1︰30 as the original ratio of material to solvent,and 30 min,20 min,15 min or 10 min as extracting time in respective gradient level.
以水为提取剂对米糠黄酮逆流提取,研究了该工艺中影响黄酮提取率的主要因素,得出了合理的操作参数,即提取温度80℃,提取液pH 9,最初料液比1 g︰30 mL,提取时间逐级为30、20、15和10 min的4级逆流提取,此时黄酮的提取率及原料、溶剂的利用率均最高。
2.
A new method of tea extraction was introduced,and analyzed the process of countercurrent extraction.
介绍了一种茶叶浸提的新方法,并对逆流提取的过程进行了分析。
3.
Objective:There were little lab-scale research on dynamic continuous countercurrent extraction from Traditional Chinese Medicine, so a lab-scale simulated method was put forward.
目的:针对目前极少实验室规模研究中药材多效动态连续逆流提取,提出一种实验室模拟方法,为该种方法的中试化奠定基础。
6) extractive technique
提取技术
1.
The methods of microwave extraction,ultrasonic extraction,CO_2 supercritical extraction were superior to the traditional extractive techniques.
同传统的提取技术相比,微波、超声、超临界等提取技术有着不可比拟的优越性。
2.
Using different extractive technique to produce instant PUER tea powder,throagh analyze the effect on the quality of Puer Tea powder by the way of sense-organ evaluation to get better producing technique of the Tea powder.
运用不同的提取工艺进行普洱茶成分的提取分离并将其制成速溶粉,通过感观评审分析提取技术对茶粉品质的影响,获得优化的速溶普洱茶粉生产工艺。
补充资料：逆流
分子式：
CAS号：
性质：指在化工设备中，两股流体彼此沿着相反的方向流动，称为逆流。例如在套管换热器中，设热液体在内管中沿着一个方向流动，而冷流体在环隙中沿着相反方向流动，这样便构成一种典型的逆流换热操作。
CAS号：
性质：指在化工设备中，两股流体彼此沿着相反的方向流动，称为逆流。例如在套管换热器中，设热液体在内管中沿着一个方向流动，而冷流体在环隙中沿着相反方向流动，这样便构成一种典型的逆流换热操作。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条