2) continuous countercurrent
连续逆流
1.
Experimental study on continuous countercurrent supercritical extraction of natural vitamin E;
连续逆流超临界萃取天然维生素E的实验研究
2.
Concentration of vitamin K_1 by supercritical carbon dioxide with two continuous countercurrent columns;
用连续逆流式超临界双塔浓缩和精制维生素K1
3.
his paper deals with the purification of tetrabromoethane by continuous countercurrentscrub-bing with annular centrfugal extractor.
用环隙式离心萃取器进行连续逆流洗涤，净化四溴乙烷。
3) continuous countercurrent extraction
连续逆流提取
1.
This article mainly aims at introducing the process,the structure and the characteristics of continuous countercurrent extraction.
介绍了连续逆流提取的工艺过程、主体结构及性能特点,并分析了其在实际应用中存在的一些优缺点。
2.
The method included 3 steps: continuous countercurrent extraction, column chromatography with 732 cation exchange resin, and crystallization, and their working parameters were optimized.
该方法包括连续逆流提取、732阳离子交换树脂柱层析和结晶三步。
3.
The principles of the continuous countercurrent extraction was reviewed, and the multi-stage tank-type, towline type and screw type and the present extracting conditions of natural product were introduced.
阐述了连续动态逆流提取的原理,介绍了罐组式、拖链型连通器式、螺旋式连续逆流提取设备以及连续逆流提取方法对天然产物的提取状况。
4) continuous countercurrent extraction
连续逆流浸取
1.
The basic principles of the continuous countercurrent extraction are reviewed.
本实验阐述了连续逆流浸取的基本原理,介绍了槽式、螺旋式、折流式连续逆流浸取设备和连续逆流浸取技术浸取果实类和叶类有效成分的研究现状,最后讨论了逆流浸取技术与微波浸取技术、超声浸取技术的联用情况,并提出了将多频组合超声浸取技术与连续逆流浸取技术相结合,微波浸取技术与连续逆流浸取技术相结合以及超声、微波、连续逆流三种浸取技术同时相结合的设想。
2.
In this study,the baicalin was extracted from scutellaria root by single-frequency ultrasonic continuous countercurrent extraction(SUCCE),dual-frequency-complex ultrasonic continuous countercurrent extraction(DCUCCE) and dual-fre-quency-alternant ultrasonic continuous countercurrent extraction(DAUCCE).
本实验研究了单频、双频交变和双频复合超声连续逆流浸取黄芩苷的效果,为实现工艺优化,采用均匀设计试验方案,以浸取能力值为指标,用偏最小二乘法处理数据。
5) continuous dynamic countercurrent
连续动态逆流
1.
The paper puts forward a new type extraction technological process of Chinese traditional medicine—continuous dynamic countercurrent extraction,introduces the effect and main structure of the pre-extractor.
给出一种新型中药提取流程——连续动态逆流提取,介绍了预浸器在中药提取中的作用及主要结构,对开发新型中药浸出设备具有指导意义。
6) continuous countercurrent
连续逆流萃取
1.
The continuous countercurrent process of extracting available ingredients from gingko leaf;
银杏叶中有效成分的连续逆流萃取工艺
补充资料：高压连续逆流油脂水解法
分子式：
CAS号：
性质：一种油脂水解的工艺方法。油脂在温度高于240℃条件下与水逆流接触而分解为脂肪酸和甘油。操作压力要比操作温度下的饱和水蒸气压力高达1.4～1.7MPa，并达到4.8～5.2MPa。在此条件下，水在油脂中的溶解度已足够提供反应所需的水量。因此反应体系呈均相状态，不需任何催化剂(乳化剂)。多余的水用于产物甘油的萃取。此法的分解率是各种水解方法中最高的，可达99.5％。已实现工业化的有M. H. Ittner所开发的Col-gate-Emery法和V. Mills所开发的Proctor＆Gamble法等。
CAS号：
性质：一种油脂水解的工艺方法。油脂在温度高于240℃条件下与水逆流接触而分解为脂肪酸和甘油。操作压力要比操作温度下的饱和水蒸气压力高达1.4～1.7MPa，并达到4.8～5.2MPa。在此条件下，水在油脂中的溶解度已足够提供反应所需的水量。因此反应体系呈均相状态，不需任何催化剂(乳化剂)。多余的水用于产物甘油的萃取。此法的分解率是各种水解方法中最高的，可达99.5％。已实现工业化的有M. H. Ittner所开发的Col-gate-Emery法和V. Mills所开发的Proctor＆Gamble法等。
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